{"id":3099,"date":"2026-03-30T09:21:16","date_gmt":"2026-03-30T09:21:16","guid":{"rendered":"https:\/\/acgearmotor.top\/?post_type=product&p=3099"},"modified":"2026-03-31T00:41:49","modified_gmt":"2026-03-31T00:41:49","slug":"ybx4-explosion-proof-ac-gear-motor-ie4-three-phase-motor","status":"publish","type":"product","link":"https:\/\/acgearmotor.top\/es\/product\/ybx4-explosion-proof-ac-gear-motor-ie4-three-phase-motor\/","title":{"rendered":"YBX4 Explosion Proof AC Gear Motor | IE4 Three Phase Motor"},"content":{"rendered":"

Product Overview<\/h2>\n

The YBX4 series represents the current generation of explosion-proof three phase motor<\/b> technology from our production facility. Designed from the ground up as a fully enclosed, fan-cooled squirrel-cage motor, the YBX4 carries ATEX-equivalent certification for use in Zone 1 and Zone 2 hazardous areas \u2014 locations where ignitable concentrations of flammable gas, vapor, or mist may exist during normal operation or under anticipated fault conditions. With frame sizes from H132 through H355 and output ratings spanning 2.2 kW to 315 kW, the series covers the power range demanded by pumps, compressors, fans, and conveyors in petrochemical plants, offshore platforms, grain-handling terminals, and underground mining operations.<\/p>\n

\"YBX4<\/p>\n

Energy efficiency is a defining feature of the YBX4 platform. All models meet the IE4 (super-premium efficiency) classification under IEC 60034-30-1, which translates to measurably lower electricity consumption over the motor lifetime compared to older Ex-rated designs that typically achieved only IE2 or IE3 levels. For facilities in Korea that operate around the clock in continuous S1 duty, the accumulated energy savings can reduce operating costs by a significant margin within the first two years of service. The motor also supports S4, S5, S6, and S9 duty cycles, giving process engineers flexibility to specify the YBX4 for intermittent and cyclic loads without derating concerns.<\/p>\n

Safety features go beyond the flameproof enclosure. The casting joints, shaft seal, and terminal box are all machined to explosion-proof gap standards, ensuring that any internal ignition cannot propagate to the surrounding atmosphere. Class F (155 \u00b0C) or Class H (180 \u00b0C) insulation provides ample thermal headroom, and the IP55 protection rating keeps out dust jets and low-pressure water jets from all directions. For Korean industrial buyers replacing older YB2 or YB3 explosion-proof electric motor<\/b> units, the YBX4 offers a direct-fit upgrade path with the same IEC mounting dimensions.<\/p>\n

<\/p>\n

Technical Specifications<\/h2>\n

Main Parameters<\/h3>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Frame:<\/td>\nH132~H355<\/td>\n<\/tr>\n
Power Scope:<\/td>\n2.2KW~315KW<\/td>\n<\/tr>\n
Voltage:<\/td>\n380V, 400V, 415V, 460V, 490V, 660V, 690V,1140V<\/td>\n<\/tr>\n
Frequency:<\/td>\n50Hz, 60Hz<\/td>\n<\/tr>\n
Number of Poles:<\/td>\n2P, 4P, 6P, 8P, 10P<\/td>\n<\/tr>\n
Speed:<\/td>\n3000rpm, 1500rpm, 1000rpm, 750rpm, 600rpm<\/td>\n<\/tr>\n
Cooling Method<\/td>\nIC411<\/td>\n<\/tr>\n
Protection Grade<\/td>\nIP55<\/td>\n<\/tr>\n
Insulation Class<\/td>\nF(155\u2103), H(180\u2103)<\/td>\n<\/tr>\n
Duty:<\/td>\nS1, S4, S5, S6, S9<\/td>\n<\/tr>\n
Mounting Type<\/td>\nB3\/ B5\/ B35\/ V1<\/td>\n<\/tr>\n
Standard:<\/td>\nIEC<\/td>\n<\/tr>\n
Efficiency Grade:<\/td>\nIE4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n


\nYBX4 Series Explosion Proof Three Phase Asynchronous Motor Technical Data:<\/strong><\/h3>\n

The following table covers 2-pole (3000 r\/min synchronous) and 4-pole (1500 r\/min synchronous) variants. 6-pole, 8-pole, and 10-pole data is available upon request. All values are measured at 380 V, 50 Hz.<\/p>\n

\n
\n
\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Type<\/td>\nRated Power (kW)<\/td>\nRated Current (A)<\/td>\nSpeed (r\/min)<\/td>\nEfficiency (%)<\/td>\nPower Factor (Cos\u03c6)<\/td>\nLocked Torque<\/td>\nLocked Current<\/td>\nMax. Torque<\/td>\nRated torque (N\u2022m)<\/td>\nMoment of Inertia (kg\u2022m2)<\/sup><\/td>\nNo-load Noised B(A)<\/td>\nWeight (Kg)<\/td>\n<\/tr>\n
RatedTorque<\/td>\nRated Current<\/td>\nRated Torque<\/td>\n<\/tr>\n
Synchronous Speed 3000(r\/min)<\/strong><\/td>\n<\/tr>\n
YBX4-132S1-2<\/td>\n5.5KW<\/td>\n10.4<\/td>\n2945<\/td>\n90.9<\/td>\n0.88<\/td>\n2.0<\/td>\n9.5<\/td>\n2.3<\/td>\n18<\/td>\n0.02<\/td>\n79<\/td>\n90<\/td>\n<\/tr>\n
YBX4-132S2-2<\/td>\n7.5KW<\/td>\n14.0<\/td>\n2945<\/td>\n91.7<\/td>\n0.89<\/td>\n2.0<\/td>\n9.5<\/td>\n2.3<\/td>\n24<\/td>\n0.03<\/td>\n79<\/td>\n95<\/td>\n<\/tr>\n
YBX4-160M1-2<\/td>\n11KW<\/td>\n20.3<\/td>\n2950<\/td>\n92.6<\/td>\n0.89<\/td>\n2.0<\/td>\n9.5<\/td>\n2.3<\/td>\n35<\/td>\n0.06<\/td>\n81<\/td>\n185<\/td>\n<\/tr>\n
YBX4-160M2-2<\/td>\n15KW<\/td>\n27.4<\/td>\n2950<\/td>\n93.3<\/td>\n0.89<\/td>\n2.0<\/td>\n9.5<\/td>\n2.3<\/td>\n48<\/td>\n0.08<\/td>\n81<\/td>\n195<\/td>\n<\/tr>\n
YBX4-160L-2<\/td>\n18.5KW<\/td>\n33.7<\/td>\n2950<\/td>\n93.7<\/td>\n0.89<\/td>\n2.0<\/td>\n9.5<\/td>\n2.3<\/td>\n59<\/td>\n0.09<\/td>\n81<\/td>\n210<\/td>\n<\/tr>\n
YBX4-180M-2<\/td>\n22KW<\/td>\n40.0<\/td>\n2960<\/td>\n94.0<\/td>\n0.89<\/td>\n2.0<\/td>\n9.5<\/td>\n2.3<\/td>\n70<\/td>\n0.13<\/td>\n83<\/td>\n236<\/td>\n<\/tr>\n
YBX4-200L1-2<\/td>\n30KW<\/td>\n54.2<\/td>\n2970<\/td>\n94.5<\/td>\n0.89<\/td>\n2.0<\/td>\n9.0<\/td>\n2.3<\/td>\n96<\/td>\n0.22<\/td>\n84<\/td>\n330<\/td>\n<\/tr>\n
YBX4-200L2-2<\/td>\n37KW<\/td>\n66.6<\/td>\n2975<\/td>\n94.8<\/td>\n0.89<\/td>\n2.0<\/td>\n9.0<\/td>\n2.3<\/td>\n118<\/td>\n0.26<\/td>\n84<\/td>\n350<\/td>\n<\/tr>\n
YBX4-225M-2<\/td>\n45KW<\/td>\n80.9<\/td>\n2980<\/td>\n95.0<\/td>\n0.89<\/td>\n2.0<\/td>\n9.0<\/td>\n2.3<\/td>\n143<\/td>\n0.34<\/td>\n86<\/td>\n425<\/td>\n<\/tr>\n
YBX4-250M-2<\/td>\n55KW<\/td>\n98.5<\/td>\n2980<\/td>\n95.3<\/td>\n0.89<\/td>\n2.0<\/td>\n9.0<\/td>\n2.3<\/td>\n175<\/td>\n0.76<\/td>\n89<\/td>\n575<\/td>\n<\/tr>\n
YBX4-280S-2<\/td>\n75KW<\/td>\n133.9<\/td>\n2980<\/td>\n95.6<\/td>\n0.89<\/td>\n1.8<\/td>\n8.5<\/td>\n2.3<\/td>\n239<\/td>\n0.92<\/td>\n91<\/td>\n660<\/td>\n<\/tr>\n
YBX4-280M-2<\/td>\n90KW<\/td>\n160.4<\/td>\n2980<\/td>\n95.8<\/td>\n0.89<\/td>\n1.8<\/td>\n8.5<\/td>\n2.3<\/td>\n287<\/td>\n1.11<\/td>\n91<\/td>\n700<\/td>\n<\/tr>\n
YBX4-315S-2<\/td>\n110KW<\/td>\n195.6<\/td>\n2980<\/td>\n96.0<\/td>\n0.89<\/td>\n1.8<\/td>\n8.5<\/td>\n2.3<\/td>\n350<\/td>\n1.58<\/td>\n92<\/td>\n1090<\/td>\n<\/tr>\n
YBX4-315M-2<\/td>\n132KW<\/td>\n234.2<\/td>\n2980<\/td>\n96.2<\/td>\n0.89<\/td>\n1.8<\/td>\n8.5<\/td>\n2.3<\/td>\n420<\/td>\n1.78<\/td>\n92<\/td>\n1145<\/td>\n<\/tr>\n
YBX4-315L1-2<\/td>\n160KW<\/td>\n283.6<\/td>\n2980<\/td>\n96.3<\/td>\n0.89<\/td>\n1.8<\/td>\n8.5<\/td>\n2.2<\/td>\n509<\/td>\n2.04<\/td>\n92<\/td>\n1230<\/td>\n<\/tr>\n
YBX4-315L2-2<\/td>\n200KW<\/td>\n353.8<\/td>\n2980<\/td>\n96.5<\/td>\n0.89<\/td>\n1.8<\/td>\n8.5<\/td>\n2.2<\/td>\n637<\/td>\n2.33<\/td>\n92<\/td>\n1285<\/td>\n<\/tr>\n
YBX4-355M1-2<\/td>\n220KW<\/td>\n389.2<\/td>\n2980<\/td>\n96.5<\/td>\n0.89<\/td>\n1.6<\/td>\n8.5<\/td>\n2.2<\/td>\n700<\/td>\n2.87<\/td>\n100<\/td>\n1824<\/td>\n<\/tr>\n
YBX4-355M2-2<\/td>\n250KW<\/td>\n432.5<\/td>\n2980<\/td>\n96.5<\/td>\n0.91<\/td>\n1.6<\/td>\n8.5<\/td>\n2.2<\/td>\n796<\/td>\n3.27<\/td>\n100<\/td>\n1925<\/td>\n<\/tr>\n
YBX4-355L1-2<\/td>\n280KW<\/td>\n484.4<\/td>\n2980<\/td>\n96.5<\/td>\n0.91<\/td>\n1.6<\/td>\n8.5<\/td>\n2.2<\/td>\n891<\/td>\n3.83<\/td>\n100<\/td>\n2068<\/td>\n<\/tr>\n
YBX4-355L2-2<\/td>\n315KW<\/td>\n545.0<\/td>\n2980<\/td>\n96.5<\/td>\n0.91<\/td>\n1.6<\/td>\n8.5<\/td>\n2.2<\/td>\n1003<\/td>\n4.04<\/td>\n100<\/td>\n2088<\/td>\n<\/tr>\n
Synchronous Speed 1500(r\/min)<\/strong><\/td>\n<\/tr>\n
YBX4-132S-4<\/td>\n5.5KW<\/td>\n11.4<\/td>\n1470<\/td>\n91.9<\/td>\n0.80<\/td>\n2.0<\/td>\n9.5<\/td>\n2.3<\/td>\n35<\/td>\n0.06<\/td>\n71<\/td>\n105<\/td>\n<\/tr>\n
YBX4-132M-4<\/td>\n7.5KW<\/td>\n15.2<\/td>\n1470<\/td>\n92.6<\/td>\n0.81<\/td>\n2.0<\/td>\n9.5<\/td>\n2.3<\/td>\n48<\/td>\n0.07<\/td>\n71<\/td>\n115<\/td>\n<\/tr>\n
YBX4-160M-4<\/td>\n11KW<\/td>\n21.6<\/td>\n1475<\/td>\n93.3<\/td>\n0.83<\/td>\n2.0<\/td>\n9.5<\/td>\n2.3<\/td>\n70<\/td>\n0.13<\/td>\n73<\/td>\n185<\/td>\n<\/tr>\n
YBX4-160L-4<\/td>\n15KW<\/td>\n28.9<\/td>\n1475<\/td>\n93.9<\/td>\n0.84<\/td>\n2.0<\/td>\n9.5<\/td>\n2.3<\/td>\n96<\/td>\n0.17<\/td>\n73<\/td>\n210<\/td>\n<\/tr>\n
YBX4-180M-4<\/td>\n18.5KW<\/td>\n35.1<\/td>\n1480<\/td>\n94.2<\/td>\n0.85<\/td>\n2.0<\/td>\n9.5<\/td>\n2.3<\/td>\n118<\/td>\n0.23<\/td>\n76<\/td>\n242<\/td>\n<\/tr>\n
YBX4-180L-4<\/td>\n22KW<\/td>\n41.6<\/td>\n1480<\/td>\n94.5<\/td>\n0.85<\/td>\n2.0<\/td>\n9.5<\/td>\n2.3<\/td>\n140<\/td>\n0.25<\/td>\n76<\/td>\n250<\/td>\n<\/tr>\n
YBX4-200L-4<\/td>\n30KW<\/td>\n56.5<\/td>\n1485<\/td>\n94.9<\/td>\n0.85<\/td>\n2.0<\/td>\n9.0<\/td>\n2.3<\/td>\n191<\/td>\n0.45<\/td>\n76<\/td>\n325<\/td>\n<\/tr>\n
YBX4-225S-4<\/td>\n37KW<\/td>\n69.5<\/td>\n1490<\/td>\n95.2<\/td>\n0.85<\/td>\n2.0<\/td>\n9.0<\/td>\n2.3<\/td>\n236<\/td>\n0.64<\/td>\n78<\/td>\n420<\/td>\n<\/tr>\n
YBX4-225M-4<\/td>\n45KW<\/td>\n84.3<\/td>\n1490<\/td>\n95.4<\/td>\n0.85<\/td>\n2.0<\/td>\n9.0<\/td>\n2.3<\/td>\n287<\/td>\n0.74<\/td>\n78<\/td>\n450<\/td>\n<\/tr>\n
YBX4-250M-4<\/td>\n55KW<\/td>\n101.5<\/td>\n1490<\/td>\n95.7<\/td>\n0.86<\/td>\n2.0<\/td>\n9.0<\/td>\n2.3<\/td>\n350<\/td>\n1.05<\/td>\n79<\/td>\n585<\/td>\n<\/tr>\n
YBX4-280S-4<\/td>\n75KW<\/td>\n136.4<\/td>\n1490<\/td>\n96.0<\/td>\n0.87<\/td>\n2.0<\/td>\n8.5<\/td>\n2.3<\/td>\n478<\/td>\n1.75<\/td>\n80<\/td>\n510<\/td>\n<\/tr>\n
YBX4-280M-4<\/td>\n90KW<\/td>\n161.7<\/td>\n1490<\/td>\n96.1<\/td>\n0.88<\/td>\n2.0<\/td>\n8.5<\/td>\n2.3<\/td>\n573<\/td>\n2.08<\/td>\n80<\/td>\n550<\/td>\n<\/tr>\n
YBX4-315S-4<\/td>\n110KW<\/td>\n195.0<\/td>\n1490<\/td>\n96.3<\/td>\n0.89<\/td>\n1.8<\/td>\n8.5<\/td>\n2.2<\/td>\n700<\/td>\n3.33<\/td>\n88<\/td>\n1065<\/td>\n<\/tr>\n
YBX4-315M-4<\/td>\n132KW<\/td>\n233.8<\/td>\n1490<\/td>\n96.4<\/td>\n0.89<\/td>\n1.8<\/td>\n8.5<\/td>\n2.2<\/td>\n840<\/td>\n3.71<\/td>\n88<\/td>\n1185<\/td>\n<\/tr>\n
YBX4-315L1-4<\/td>\n160KW<\/td>\n279.6<\/td>\n1490<\/td>\n96.6<\/td>\n0.90<\/td>\n1.8<\/td>\n8.5<\/td>\n2.2<\/td>\n1019<\/td>\n4.31<\/td>\n88<\/td>\n1290<\/td>\n<\/tr>\n
YBX4-315L2-4<\/td>\n200KW<\/td>\n349.2<\/td>\n1490<\/td>\n96.7<\/td>\n0.90<\/td>\n1.8<\/td>\n8.5<\/td>\n2.2<\/td>\n1273<\/td>\n5.12<\/td>\n88<\/td>\n1365<\/td>\n<\/tr>\n
YBX4-355M1-4<\/td>\n220KW<\/td>\n384.1<\/td>\n1490<\/td>\n96.7<\/td>\n0.90<\/td>\n1.8<\/td>\n8.5<\/td>\n2.2<\/td>\n1410<\/td>\n9.28<\/td>\n95<\/td>\n1953<\/td>\n<\/tr>\n
YBX4-355M2-4<\/td>\n250KW<\/td>\n436.4<\/td>\n1490<\/td>\n96.7<\/td>\n0.90<\/td>\n1.8<\/td>\n8.5<\/td>\n2.2<\/td>\n1592<\/td>\n10.02<\/td>\n95<\/td>\n2017<\/td>\n<\/tr>\n
YBX4-355L1-4<\/td>\n280KW<\/td>\n488.8<\/td>\n1490<\/td>\n96.7<\/td>\n0.90<\/td>\n1.8<\/td>\n8.5<\/td>\n2.2<\/td>\n1783<\/td>\n10.67<\/td>\n95<\/td>\n2128<\/td>\n<\/tr>\n
YBX4-355L2-4<\/td>\n315KW<\/td>\n549.9<\/td>\n1490<\/td>\n96.7<\/td>\n0.90<\/td>\n1.8<\/td>\n8.5<\/td>\n2.2<\/td>\n2006<\/td>\n10.95<\/td>\n95<\/td>\n2154<\/td>\n<\/tr>\n
Synchronous Speed 1000(r\/min)<\/strong><\/td>\n<\/tr>\n
YBX4-132S-6<\/td>\n3KW<\/td>\n7.2<\/td>\n970<\/td>\n88.6<\/td>\n0.71<\/td>\n2.0<\/td>\n7.5<\/td>\n2.1<\/td>\n29<\/td>\n0.04<\/td>\n69<\/td>\n85<\/td>\n<\/tr>\n
YBX4-132M1-6<\/td>\n4KW<\/td>\n9.4<\/td>\n970<\/td>\n89.5<\/td>\n0.72<\/td>\n2.0<\/td>\n8.0<\/td>\n2.1<\/td>\n38<\/td>\n0.05<\/td>\n69<\/td>\n95<\/td>\n<\/tr>\n
YBX4-132M2-6<\/td>\n5.5KW<\/td>\n12.8<\/td>\n970<\/td>\n90.5<\/td>\n0.72<\/td>\n2.0<\/td>\n8.0<\/td>\n2.1<\/td>\n53<\/td>\n0.07<\/td>\n69<\/td>\n105<\/td>\n<\/tr>\n
YBX4-160M-6<\/td>\n7.5KW<\/td>\n16.4<\/td>\n980<\/td>\n91.3<\/td>\n0.76<\/td>\n2.0<\/td>\n8.0<\/td>\n2.1<\/td>\n72<\/td>\n0.14<\/td>\n73<\/td>\n175<\/td>\n<\/tr>\n
YBX4-160L-6<\/td>\n11KW<\/td>\n23.5<\/td>\n980<\/td>\n92.3<\/td>\n0.77<\/td>\n2.0<\/td>\n8.5<\/td>\n2.1<\/td>\n105<\/td>\n0.19<\/td>\n73<\/td>\n205<\/td>\n<\/tr>\n
YBX4-180L-6<\/td>\n15KW<\/td>\n30.7<\/td>\n980<\/td>\n92.9<\/td>\n0.80<\/td>\n2.0<\/td>\n8.5<\/td>\n2.1<\/td>\n143<\/td>\n0.31<\/td>\n73<\/td>\n225<\/td>\n<\/tr>\n
YBX4-200L1-6<\/td>\n18.5KW<\/td>\n37.6<\/td>\n985<\/td>\n93.4<\/td>\n0.80<\/td>\n2.0<\/td>\n8.5<\/td>\n2.1<\/td>\n177<\/td>\n0.44<\/td>\n73<\/td>\n305<\/td>\n<\/tr>\n
YBX4-200L2-6<\/td>\n22KW<\/td>\n44.0<\/td>\n985<\/td>\n93.7<\/td>\n0.81<\/td>\n2.0<\/td>\n8.5<\/td>\n2.1<\/td>\n210<\/td>\n0.55<\/td>\n73<\/td>\n325<\/td>\n<\/tr>\n
YBX4-225M-6<\/td>\n30KW<\/td>\n59.0<\/td>\n990<\/td>\n94.2<\/td>\n0.82<\/td>\n2.0<\/td>\n8.3<\/td>\n2.1<\/td>\n287<\/td>\n0.82<\/td>\n74<\/td>\n390<\/td>\n<\/tr>\n
YBX4-250M-6<\/td>\n37KW<\/td>\n71.7<\/td>\n990<\/td>\n94.5<\/td>\n0.83<\/td>\n2.0<\/td>\n8.3<\/td>\n2.1<\/td>\n353<\/td>\n1.43<\/td>\n76<\/td>\n525<\/td>\n<\/tr>\n
YBX4-280S-6<\/td>\n45KW<\/td>\n86.9<\/td>\n990<\/td>\n94.8<\/td>\n0.83<\/td>\n2.0<\/td>\n8.5<\/td>\n2.0<\/td>\n430<\/td>\n2.22<\/td>\n78<\/td>\n715<\/td>\n<\/tr>\n
YBX4-280M-6<\/td>\n55KW<\/td>\n104.6<\/td>\n990<\/td>\n95.1<\/td>\n0.84<\/td>\n2.0<\/td>\n8.5<\/td>\n2.0<\/td>\n525<\/td>\n2.68<\/td>\n78<\/td>\n820<\/td>\n<\/tr>\n
YBX4-315S-6<\/td>\n75KW<\/td>\n142.2<\/td>\n990<\/td>\n95.4<\/td>\n0.84<\/td>\n1.6<\/td>\n8.0<\/td>\n2.0<\/td>\n716<\/td>\n3.91<\/td>\n83<\/td>\n1015<\/td>\n<\/tr>\n
YBX4-315M-6<\/td>\n90KW<\/td>\n168.3<\/td>\n990<\/td>\n95.6<\/td>\n0.85<\/td>\n1.6<\/td>\n8.0<\/td>\n2.0<\/td>\n860<\/td>\n4.42<\/td>\n83<\/td>\n1115<\/td>\n<\/tr>\n
YBX4-315L1-6<\/td>\n110KW<\/td>\n205.2<\/td>\n990<\/td>\n95.8<\/td>\n0.85<\/td>\n1.6<\/td>\n8.0<\/td>\n2.0<\/td>\n1051<\/td>\n5.50<\/td>\n83<\/td>\n1210<\/td>\n<\/tr>\n
YBX4-315L2-6<\/td>\n132KW<\/td>\n242.9<\/td>\n990<\/td>\n96.0<\/td>\n0.86<\/td>\n1.6<\/td>\n8.0<\/td>\n2.0<\/td>\n1261<\/td>\n6.81<\/td>\n83<\/td>\n1325<\/td>\n<\/tr>\n
YBX4-355M1-6<\/td>\n160KW<\/td>\n293.8<\/td>\n990<\/td>\n96.2<\/td>\n0.86<\/td>\n1.6<\/td>\n8.0<\/td>\n2.0<\/td>\n1528<\/td>\n10.63<\/td>\n85<\/td>\n1821<\/td>\n<\/tr>\n
YBX4-355M2-6<\/td>\n200KW<\/td>\n366.9<\/td>\n990<\/td>\n96.3<\/td>\n0.86<\/td>\n1.6<\/td>\n8.0<\/td>\n2.0<\/td>\n1910<\/td>\n12.15<\/td>\n85<\/td>\n1950<\/td>\n<\/tr>\n
YBX4-355L1-6<\/td>\n220KW<\/td>\n403.6<\/td>\n990<\/td>\n96.3<\/td>\n0.86<\/td>\n1.6<\/td>\n8.0<\/td>\n2.0<\/td>\n2101<\/td>\n14.25<\/td>\n85<\/td>\n2109<\/td>\n<\/tr>\n
YBX4-355L2-6<\/td>\n250KW<\/td>\n457.7<\/td>\n990<\/td>\n96.5<\/td>\n0.86<\/td>\n1.6<\/td>\n8.0<\/td>\n2.0<\/td>\n2388<\/td>\n15.65<\/td>\n85<\/td>\n2182<\/td>\n<\/tr>\n
Synchronous Speed 750(r\/min)<\/strong><\/td>\n<\/tr>\n
YBX4-132S-8<\/td>\n2.2KW<\/td>\n5.7<\/td>\n710<\/td>\n84.5<\/td>\n0.70<\/td>\n1.8<\/td>\n7.5<\/td>\n2.0<\/td>\n28<\/td>\n0.04<\/td>\n64<\/td>\n76<\/td>\n<\/tr>\n
YBX4-132M-8<\/td>\n3KW<\/td>\n7.6<\/td>\n710<\/td>\n85.9<\/td>\n0.70<\/td>\n1.8<\/td>\n7.8<\/td>\n2.0<\/td>\n38<\/td>\n0.05<\/td>\n64<\/td>\n89<\/td>\n<\/tr>\n
YBX4-160M1-8<\/td>\n4KW<\/td>\n9.8<\/td>\n730<\/td>\n87.1<\/td>\n0.71<\/td>\n1.8<\/td>\n7.9<\/td>\n2.0<\/td>\n51<\/td>\n0.09<\/td>\n68<\/td>\n170<\/td>\n<\/tr>\n
YBX4-160M2-8<\/td>\n5.5KW<\/td>\n13.1<\/td>\n730<\/td>\n88.3<\/td>\n0.72<\/td>\n1.8<\/td>\n8.1<\/td>\n2.0<\/td>\n70<\/td>\n0.12<\/td>\n68<\/td>\n185<\/td>\n<\/tr>\n
YBX4-160L-8<\/td>\n7.5KW<\/td>\n17.2<\/td>\n730<\/td>\n89.3<\/td>\n0.74<\/td>\n1.8<\/td>\n7.8<\/td>\n2.0<\/td>\n96<\/td>\n0.17<\/td>\n68<\/td>\n200<\/td>\n<\/tr>\n
YBX4-180L-8<\/td>\n11KW<\/td>\n25.0<\/td>\n730<\/td>\n90.4<\/td>\n0.74<\/td>\n1.8<\/td>\n7.9<\/td>\n2.0<\/td>\n140<\/td>\n0.26<\/td>\n70<\/td>\n232<\/td>\n<\/tr>\n
YBX4-200L-8<\/td>\n15KW<\/td>\n33.3<\/td>\n730<\/td>\n91.2<\/td>\n0.75<\/td>\n1.8<\/td>\n8.0<\/td>\n2.0<\/td>\n191<\/td>\n0.36<\/td>\n70<\/td>\n350<\/td>\n<\/tr>\n
YBX4-225S-8<\/td>\n18.5KW<\/td>\n40.9<\/td>\n730<\/td>\n91.7<\/td>\n0.75<\/td>\n1.8<\/td>\n8.1<\/td>\n2.0<\/td>\n236<\/td>\n0.54<\/td>\n73<\/td>\n360<\/td>\n<\/tr>\n
YBX4-225M-8<\/td>\n22KW<\/td>\n47.8<\/td>\n730<\/td>\n92.1<\/td>\n0.76<\/td>\n1.8<\/td>\n8.3<\/td>\n2.0<\/td>\n280<\/td>\n0.64<\/td>\n73<\/td>\n620<\/td>\n<\/tr>\n
YBX4-250M-8<\/td>\n30KW<\/td>\n63.9<\/td>\n740<\/td>\n92.7<\/td>\n0.77<\/td>\n1.8<\/td>\n7.9<\/td>\n2.0<\/td>\n382<\/td>\n0.97<\/td>\n75<\/td>\n745<\/td>\n<\/tr>\n
YBX4-280S-8<\/td>\n37KW<\/td>\n77.4<\/td>\n740<\/td>\n93.1<\/td>\n0.78<\/td>\n1.8<\/td>\n7.9<\/td>\n2.0<\/td>\n471<\/td>\n1.61<\/td>\n76<\/td>\n651<\/td>\n<\/tr>\n
YBX4-280M-8<\/td>\n45KW<\/td>\n93.8<\/td>\n740<\/td>\n93.4<\/td>\n0.78<\/td>\n1.8<\/td>\n7.9<\/td>\n2.0<\/td>\n573<\/td>\n1.85<\/td>\n76<\/td>\n729<\/td>\n<\/tr>\n
YBX4-315S-8<\/td>\n55KW<\/td>\n111.5<\/td>\n740<\/td>\n93.7<\/td>\n0.80<\/td>\n1.6<\/td>\n8.2<\/td>\n2.0<\/td>\n700<\/td>\n3.93<\/td>\n82<\/td>\n940<\/td>\n<\/tr>\n
YBX4-315M-8<\/td>\n75KW<\/td>\n151.2<\/td>\n740<\/td>\n94.2<\/td>\n0.80<\/td>\n1.6<\/td>\n7.6<\/td>\n2.0<\/td>\n955<\/td>\n5.38<\/td>\n82<\/td>\n1150<\/td>\n<\/tr>\n
YBX4-315L1-8<\/td>\n90KW<\/td>\n178.8<\/td>\n740<\/td>\n94.4<\/td>\n0.81<\/td>\n1.6<\/td>\n7.7<\/td>\n2.0<\/td>\n1146<\/td>\n6.40<\/td>\n82<\/td>\n1225<\/td>\n<\/tr>\n
YBX4-315L2-8<\/td>\n110KW<\/td>\n217.9<\/td>\n740<\/td>\n94.7<\/td>\n0.81<\/td>\n1.6<\/td>\n7.7<\/td>\n2.0<\/td>\n1401<\/td>\n7.51<\/td>\n82<\/td>\n1305<\/td>\n<\/tr>\n
YBX4-355M1-8<\/td>\n132KW<\/td>\n260.9<\/td>\n740<\/td>\n94.9<\/td>\n0.81<\/td>\n1.6<\/td>\n7.7<\/td>\n2.0<\/td>\n1681<\/td>\n11.82<\/td>\n89<\/td>\n1742<\/td>\n<\/tr>\n
YBX4-355M2-8<\/td>\n160KW<\/td>\n311.7<\/td>\n740<\/td>\n95.1<\/td>\n0.82<\/td>\n1.6<\/td>\n7.7<\/td>\n2.0<\/td>\n2037<\/td>\n14.42<\/td>\n89<\/td>\n1882<\/td>\n<\/tr>\n
YBX4-355L1-8<\/td>\n185KW<\/td>\n360.4<\/td>\n740<\/td>\n95.1<\/td>\n0.82<\/td>\n1.6<\/td>\n7.7<\/td>\n2.0<\/td>\n2355<\/td>\n16.58<\/td>\n89<\/td>\n1985<\/td>\n<\/tr>\n
YBX4-355L2-8<\/td>\n200KW<\/td>\n388.4<\/td>\n740<\/td>\n95.4<\/td>\n0.82<\/td>\n1.6<\/td>\n7.8<\/td>\n2.0<\/td>\n2547<\/td>\n18.74<\/td>\n89<\/td>\n2119<\/td>\n<\/tr>\n
Synchronous Speed 600(r\/min)<\/strong><\/td>\n<\/tr>\n
YBX4-315S-10<\/td>\n45KW<\/td>\n98.0<\/td>\n590<\/td>\n93.0<\/td>\n0.75<\/td>\n1.5<\/td>\n6.2<\/td>\n2.0<\/td>\n716<\/td>\n3.93<\/td>\n82<\/td>\n955<\/td>\n<\/tr>\n
YBX4-315M-10<\/td>\n55KW<\/td>\n119.8<\/td>\n590<\/td>\n93.0<\/td>\n0.75<\/td>\n1.5<\/td>\n5.8<\/td>\n2.0<\/td>\n875<\/td>\n4.78<\/td>\n82<\/td>\n1090<\/td>\n<\/tr>\n
YBX4-315L1-10<\/td>\n75KW<\/td>\n159.8<\/td>\n590<\/td>\n93.8<\/td>\n0.76<\/td>\n1.5<\/td>\n5.9<\/td>\n2.0<\/td>\n1194<\/td>\n6.40<\/td>\n82<\/td>\n1210<\/td>\n<\/tr>\n
YBX4-315L2-10<\/td>\n90KW<\/td>\n189.3<\/td>\n590<\/td>\n93.8<\/td>\n0.77<\/td>\n1.5<\/td>\n6.0<\/td>\n2.0<\/td>\n1433<\/td>\n7.51<\/td>\n82<\/td>\n1285<\/td>\n<\/tr>\n
YBX4-355M1-10<\/td>\n110KW<\/td>\n227.5<\/td>\n590<\/td>\n94.2<\/td>\n0.78<\/td>\n1.45<\/td>\n6.0<\/td>\n2.0<\/td>\n1751<\/td>\n11.84<\/td>\n90<\/td>\n1726<\/td>\n<\/tr>\n
YBX4-355M2-10<\/td>\n132KW<\/td>\n272.1<\/td>\n590<\/td>\n94.5<\/td>\n0.78<\/td>\n1.45<\/td>\n6.0<\/td>\n2.0<\/td>\n2101<\/td>\n14.44<\/td>\n90<\/td>\n1871<\/td>\n<\/tr>\n
YBX4-355L1-10<\/td>\n160KW<\/td>\n329.8<\/td>\n590<\/td>\n94.5<\/td>\n0.78<\/td>\n1.45<\/td>\n6.0<\/td>\n2.0<\/td>\n2547<\/td>\n17.91<\/td>\n90<\/td>\n2060<\/td>\n<\/tr>\n
Note: the motor quality in the table is calculated theoretically and deviates from the actual value. It is for reference only. The actual weight of the motor is taken as the criterion.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
\n
\n

YBX4 Series Explosion Proof Three Phase Asynchronous Motor <\/i>Installation Dimension:<\/strong><\/h2>\n
\n
\n

1. B3 Installation Method<\/strong><\/h4>\n

\"YBX4<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Base No<\/td>\nPoles<\/td>\nInstallation size<\/td>\nOverall dimensions<\/td>\n<\/tr>\n
A<\/td>\nB<\/td>\nC<\/td>\nD<\/td>\nE<\/td>\nF<\/td>\nG<\/td>\nH<\/td>\nK<\/td>\nAB<\/td>\nAC<\/td>\nAD<\/td>\nHD<\/td>\nL<\/td>\n<\/tr>\n
General dimension<\/td>\n<\/tr>\n
80M<\/td>\n2,4,6,8<\/td>\n125<\/td>\n100<\/td>\n50<\/td>\n19<\/td>\n40<\/td>\n6<\/td>\n15.5<\/td>\n80<\/td>\n10<\/td>\n165<\/td>\n165<\/td>\n180<\/td>\n320<\/td>\n330<\/td>\n<\/tr>\n
90S<\/td>\n140<\/td>\n56<\/td>\n24<\/td>\n50<\/td>\n8<\/td>\n20<\/td>\n90<\/td>\n180<\/td>\n180<\/td>\n350<\/td>\n380<\/td>\n<\/tr>\n
90L<\/td>\n125<\/td>\n410<\/td>\n<\/tr>\n
100L<\/td>\n160<\/td>\n140<\/td>\n63<\/td>\n28<\/td>\n60<\/td>\n24<\/td>\n100<\/td>\n12<\/td>\n200<\/td>\n205<\/td>\n400<\/td>\n473<\/td>\n<\/tr>\n
112M<\/td>\n190<\/td>\n70<\/td>\n112<\/td>\n245<\/td>\n230<\/td>\n200<\/td>\n420<\/td>\n520<\/td>\n<\/tr>\n
132S<\/td>\n216<\/td>\n89<\/td>\n38<\/td>\n80<\/td>\n10<\/td>\n33<\/td>\n132<\/td>\n280<\/td>\n270<\/td>\n450<\/td>\n570<\/td>\n<\/tr>\n
132M<\/td>\n178<\/td>\n615<\/td>\n<\/tr>\n
160M<\/td>\n254<\/td>\n210<\/td>\n108<\/td>\n42<\/td>\n110<\/td>\n12<\/td>\n37<\/td>\n160<\/td>\n14.5<\/td>\n330<\/td>\n325<\/td>\n220<\/td>\n520<\/td>\n755<\/td>\n<\/tr>\n
160L<\/td>\n254<\/td>\n795<\/td>\n<\/tr>\n
180M<\/td>\n279<\/td>\n241<\/td>\n121<\/td>\n48<\/td>\n14<\/td>\n42.5<\/td>\n180<\/td>\n355<\/td>\n360<\/td>\n550<\/td>\n806<\/td>\n<\/tr>\n
180L<\/td>\n279<\/td>\n<\/tr>\n
200L<\/td>\n318<\/td>\n305<\/td>\n133<\/td>\n55<\/td>\n16<\/td>\n49<\/td>\n200<\/td>\n18.5<\/td>\n390<\/td>\n400<\/td>\n250<\/td>\n645<\/td>\n865<\/td>\n<\/tr>\n
225S<\/td>\n4,8<\/td>\n356<\/td>\n286<\/td>\n149<\/td>\n60<\/td>\n140<\/td>\n18<\/td>\n53<\/td>\n225<\/td>\n435<\/td>\n450<\/td>\n690<\/td>\n913<\/td>\n<\/tr>\n
225M<\/td>\n2<\/td>\n311<\/td>\n55<\/td>\n110<\/td>\n16<\/td>\n49<\/td>\n923<\/td>\n<\/tr>\n
4,6,8<\/td>\n60<\/td>\n140<\/td>\n18<\/td>\n53<\/td>\n953<\/td>\n<\/tr>\n
250M<\/td>\n2<\/td>\n406<\/td>\n349<\/td>\n168<\/td>\n250<\/td>\n24<\/td>\n490<\/td>\n500<\/td>\n300<\/td>\n730<\/td>\n995<\/td>\n<\/tr>\n
4,6,8<\/td>\n65<\/td>\n58<\/td>\n<\/tr>\n
280S<\/td>\n2<\/td>\n457<\/td>\n368<\/td>\n190<\/td>\n280<\/td>\n545<\/td>\n560<\/td>\n810<\/td>\n1047<\/td>\n<\/tr>\n
4,6,8<\/td>\n75<\/td>\n20<\/td>\n67.5<\/td>\n<\/tr>\n
280M<\/td>\n2<\/td>\n419<\/td>\n65<\/td>\n18<\/td>\n58<\/td>\n1122<\/td>\n<\/tr>\n
4,6,8<\/td>\n75<\/td>\n20<\/td>\n67.5<\/td>\n<\/tr>\n
315S<\/td>\n2<\/td>\n508<\/td>\n406<\/td>\n216<\/td>\n65<\/td>\n18<\/td>\n58<\/td>\n315<\/td>\n28<\/td>\n640<\/td>\n630<\/td>\n400<\/td>\n1020<\/td>\n1185<\/td>\n<\/tr>\n
4,6,8,10<\/td>\n80<\/td>\n170<\/td>\n22<\/td>\n71<\/td>\n1260<\/td>\n<\/tr>\n
315M<\/td>\n2<\/td>\n457<\/td>\n65<\/td>\n140<\/td>\n18<\/td>\n58<\/td>\n1305<\/td>\n<\/tr>\n
4,6,8,10<\/td>\n80<\/td>\n170<\/td>\n22<\/td>\n71<\/td>\n1380<\/td>\n<\/tr>\n
315L<\/td>\n2<\/td>\n508<\/td>\n65<\/td>\n140<\/td>\n18<\/td>\n58<\/td>\n1305<\/td>\n<\/tr>\n
4,6,8,10<\/td>\n80<\/td>\n170<\/td>\n22<\/td>\n71<\/td>\n1380<\/td>\n<\/tr>\n
355S<\/td>\n2<\/td>\n610<\/td>\n500<\/td>\n254<\/td>\n75<\/td>\n140<\/td>\n20<\/td>\n67.5<\/td>\n355<\/td>\n740<\/td>\n750<\/td>\n500<\/td>\n1080<\/td>\n1415<\/td>\n<\/tr>\n
4,6,8,10<\/td>\n95<\/td>\n170<\/td>\n25<\/td>\n86<\/td>\n1485<\/td>\n<\/tr>\n
355M<\/td>\n2<\/td>\n560<\/td>\n75<\/td>\n140<\/td>\n20<\/td>\n67.5<\/td>\n1535<\/td>\n<\/tr>\n
4,6,8,10<\/td>\n95<\/td>\n170<\/td>\n25<\/td>\n86<\/td>\n1605<\/td>\n<\/tr>\n
355L<\/td>\n2<\/td>\n630<\/td>\n75<\/td>\n140<\/td>\n20<\/td>\n67.5<\/td>\n1645<\/td>\n<\/tr>\n
4,6,8,10<\/td>\n95<\/td>\n170<\/td>\n25<\/td>\n86<\/td>\n1675<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2. B5 Installation Method<\/strong><\/h4>\n

\"YBX4<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Base No<\/td>\nflange No<\/td>\nInstallation size<\/td>\nProfile size<\/td>\n<\/tr>\n
Poles<\/td>\nD<\/td>\nE<\/td>\nF<\/td>\nG<\/td>\nM<\/td>\nN<\/td>\nPb<\/sup><\/td>\nR<\/td>\nS<\/td>\nT<\/td>\nFlange
\nholes<\/td>\n		AC<\/td>\nAD<\/td>\nL<\/td>\n<\/tr>\n
General dimension<\/td>\nGeneral
\ndimension<\/td>\n		General
\ndimension<\/td>\n		General
\ndimension<\/td>\n		General
\ndimension<\/td>\n		horizontal type<\/td>\nvertical type<\/td>\n<\/tr>\n
80M<\/td>\nFF165<\/td>\n2\/4\/6\/8<\/td>\n19<\/td>\n40<\/td>\n6<\/td>\n15.5<\/td>\n165<\/td>\n130<\/td>\n200<\/td>\n0<\/td>\n12<\/td>\n3.5<\/td>\n4<\/td>\n165<\/td>\n240<\/td>\n330<\/td>\n375<\/td>\n<\/tr>\n
90S<\/td>\n24<\/td>\n50<\/td>\n8<\/td>\n20<\/td>\n180<\/td>\n260<\/td>\n360<\/td>\n405<\/td>\n<\/tr>\n
90L<\/td>\n385<\/td>\n430<\/td>\n<\/tr>\n
100L<\/td>\nFF215<\/td>\n28<\/td>\n60<\/td>\n24<\/td>\n215<\/td>\n180<\/td>\n250<\/td>\n14.5<\/td>\n4<\/td>\n205<\/td>\n300<\/td>\n440<\/td>\n485<\/td>\n<\/tr>\n
112M<\/td>\n230<\/td>\n310<\/td>\n460<\/td>\n520<\/td>\n<\/tr>\n
132S<\/td>\nFF265<\/td>\n38<\/td>\n80<\/td>\n10<\/td>\n33<\/td>\n265<\/td>\n230<\/td>\n300<\/td>\n270<\/td>\n320<\/td>\n510<\/td>\n590<\/td>\n<\/tr>\n
132M<\/td>\n550<\/td>\n630<\/td>\n<\/tr>\n
160M<\/td>\nFF300<\/td>\n42<\/td>\n110<\/td>\n12<\/td>\n37<\/td>\n300<\/td>\n250<\/td>\n350<\/td>\n18.5<\/td>\n5<\/td>\n325<\/td>\n360<\/td>\n670<\/td>\n730<\/td>\n<\/tr>\n
160L<\/td>\n710<\/td>\n770<\/td>\n<\/tr>\n
180M<\/td>\n48<\/td>\n14<\/td>\n42.5<\/td>\n360<\/td>\n370<\/td>\n730<\/td>\n800<\/td>\n<\/tr>\n
180L<\/td>\n750<\/td>\n820<\/td>\n<\/tr>\n
200L<\/td>\nFF350<\/td>\n55<\/td>\n16<\/td>\n49<\/td>\n350<\/td>\n300<\/td>\n400<\/td>\n400<\/td>\n445<\/td>\n805<\/td>\n875<\/td>\n<\/tr>\n
225S<\/td>\nFF400<\/td>\n4\/8<\/td>\n60<\/td>\n140<\/td>\n18<\/td>\n53<\/td>\n400<\/td>\n350<\/td>\n450<\/td>\n8<\/td>\n450<\/td>\n465<\/td>\n865<\/td>\n935<\/td>\n<\/tr>\n
225M<\/td>\n2<\/td>\n55<\/td>\n110<\/td>\n16<\/td>\n49<\/td>\n860<\/td>\n930<\/td>\n<\/tr>\n
4\/6\/8<\/td>\n60<\/td>\n140<\/td>\n18<\/td>\n53<\/td>\n890<\/td>\n960<\/td>\n<\/tr>\n
250M<\/td>\nFF500<\/td>\n2<\/td>\n500<\/td>\n450<\/td>\n550<\/td>\n500<\/td>\n500<\/td>\n945<\/td>\n1035<\/td>\n<\/tr>\n
4\/6\/8<\/td>\n65<\/td>\n58<\/td>\n<\/tr>\n
280S<\/td>\n2<\/td>\n560<\/td>\n550<\/td>\n1010<\/td>\n1100<\/td>\n<\/tr>\n
4\/6\/8<\/td>\n75<\/td>\n20<\/td>\n67.5<\/td>\n<\/tr>\n
280M<\/td>\n2<\/td>\n65<\/td>\n18<\/td>\n58<\/td>\n1060<\/td>\n1150<\/td>\n<\/tr>\n
4\/6\/8<\/td>\n75<\/td>\n20<\/td>\n67.5<\/td>\n<\/tr>\n
315S<\/td>\nFF600<\/td>\n2<\/td>\n65<\/td>\n18<\/td>\n58<\/td>\n600<\/td>\n550<\/td>\n660<\/td>\n24<\/td>\n6<\/td>\n630<\/td>\n705<\/td>\n\u2013<\/td>\n1340<\/td>\n<\/tr>\n
4\/6\/8\/10<\/td>\n80<\/td>\n170<\/td>\n22<\/td>\n71<\/td>\n1370<\/td>\n<\/tr>\n
315M<\/td>\n2<\/td>\n65<\/td>\n140<\/td>\n18<\/td>\n58<\/td>\n1420<\/td>\n<\/tr>\n
4\/6\/8\/10<\/td>\n80<\/td>\n170<\/td>\n22<\/td>\n71<\/td>\n1450<\/td>\n<\/tr>\n
315L<\/td>\n2<\/td>\n65<\/td>\n140<\/td>\n18<\/td>\n58<\/td>\n1510<\/td>\n<\/tr>\n
4\/6\/8\/10<\/td>\n80<\/td>\n170<\/td>\n22<\/td>\n71<\/td>\n1540<\/td>\n<\/tr>\n
355S<\/td>\nFF740<\/td>\n2<\/td>\n75<\/td>\n140<\/td>\n20<\/td>\n67.5<\/td>\n740<\/td>\n680<\/td>\n800<\/td>\n750<\/td>\n725<\/td>\n1600<\/td>\n<\/tr>\n
4\/6\/8\/10<\/td>\n95<\/td>\n170<\/td>\n25<\/td>\n86<\/td>\n<\/tr>\n
355M<\/td>\n2<\/td>\n75<\/td>\n140<\/td>\n20<\/td>\n67.5<\/td>\n<\/tr>\n
4\/6\/8\/10<\/td>\n95<\/td>\n170<\/td>\n25<\/td>\n86<\/td>\n<\/tr>\n
355L<\/td>\n2<\/td>\n75<\/td>\n140<\/td>\n20<\/td>\n67.5<\/td>\n1780<\/td>\n<\/tr>\n
4\/6\/8\/10<\/td>\n95<\/td>\n140<\/td>\n25<\/td>\n86<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

3. B35 Installation Method<\/strong><\/h4>\n

\"YBX4<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Base No<\/td>\nflange No<\/td>\nPoles<\/td>\nInstallation size and tolerance<\/td>\nProfile size<\/td>\n<\/tr>\n
A<\/td>\nB<\/td>\nC<\/td>\nD<\/td>\nE<\/td>\nF<\/td>\nG<\/td>\nH<\/td>\nK<\/td>\nM<\/td>\nN<\/td>\nPc<\/sup><\/td>\nR<\/td>\nS<\/td>\nT<\/td>\nFlange
\nholes<\/td>\n		AB<\/td>\nAC<\/td>\nAD<\/td>\nHD<\/td>\nL<\/td>\n<\/tr>\n
General Dimension<\/td>\nGeneral
\nDimension<\/td>\n		General
\nDimension<\/td>\n		General
\nDimension<\/td>\n		General
\nDimension<\/td>\n<\/tr>\n
80M<\/td>\nFF165<\/td>\n2\/4\/6\/8<\/td>\n125<\/td>\n100<\/td>\n50<\/td>\n19<\/td>\n40<\/td>\n6<\/td>\n15.5<\/td>\n80<\/td>\n10<\/td>\n165<\/td>\n130<\/td>\n200<\/td>\n\n
0<\/div>\n<\/td>\n
12<\/td>\n3.5<\/td>\n4<\/td>\n165<\/td>\n165<\/td>\n180<\/td>\n320<\/td>\n330<\/td>\n<\/tr>\n
90S<\/td>\n140<\/td>\n56<\/td>\n24<\/td>\n50<\/td>\n8<\/td>\n20<\/td>\n90<\/td>\n180<\/td>\n180<\/td>\n350<\/td>\n380<\/td>\n<\/tr>\n
90L<\/td>\n125<\/td>\n410<\/td>\n<\/tr>\n
100l<\/td>\nFF215<\/td>\n160<\/td>\n140<\/td>\n63<\/td>\n28<\/td>\n60<\/td>\n24<\/td>\n100<\/td>\n12<\/td>\n215<\/td>\n180<\/td>\n250<\/td>\n14.5<\/td>\n4<\/td>\n200<\/td>\n205<\/td>\n400<\/td>\n473<\/td>\n<\/tr>\n
112M<\/td>\n190<\/td>\n70<\/td>\n112<\/td>\n245<\/td>\n230<\/td>\n200<\/td>\n420<\/td>\n520<\/td>\n<\/tr>\n
132S<\/td>\nFF265<\/td>\n216<\/td>\n89<\/td>\n38<\/td>\n80<\/td>\n10<\/td>\n33<\/td>\n132<\/td>\n265<\/td>\n230<\/td>\n300<\/td>\n280<\/td>\n270<\/td>\n450<\/td>\n570<\/td>\n<\/tr>\n
132M<\/td>\n178<\/td>\n615<\/td>\n<\/tr>\n
160M<\/td>\nFF300<\/td>\n254<\/td>\n210<\/td>\n108<\/td>\n42<\/td>\n110<\/td>\n12<\/td>\n37<\/td>\n160<\/td>\n14.5<\/td>\n300<\/td>\n250<\/td>\n350<\/td>\n18.5<\/td>\n5<\/td>\n330<\/td>\n325<\/td>\n220<\/td>\n520<\/td>\n755<\/td>\n<\/tr>\n
160L<\/td>\n254<\/td>\n795<\/td>\n<\/tr>\n
180M<\/td>\n279<\/td>\n241<\/td>\n121<\/td>\n48<\/td>\n14<\/td>\n42.5<\/td>\n180<\/td>\n355<\/td>\n360<\/td>\n550<\/td>\n806<\/td>\n<\/tr>\n
180L<\/td>\n279<\/td>\n<\/tr>\n
200L<\/td>\nFF350<\/td>\n318<\/td>\n305<\/td>\n133<\/td>\n55<\/td>\n16<\/td>\n49<\/td>\n200<\/td>\n18.5<\/td>\n350<\/td>\n300<\/td>\n400<\/td>\n390<\/td>\n400<\/td>\n250<\/td>\n645<\/td>\n865<\/td>\n<\/tr>\n
225S<\/td>\nFF400<\/td>\n4\/8<\/td>\n356<\/td>\n286<\/td>\n149<\/td>\n60<\/td>\n140<\/td>\n18<\/td>\n53<\/td>\n225<\/td>\n400<\/td>\n350<\/td>\n450<\/td>\n8<\/td>\n435<\/td>\n450<\/td>\n690<\/td>\n913<\/td>\n<\/tr>\n
225M<\/td>\n2<\/td>\n311<\/td>\n55<\/td>\n110<\/td>\n16<\/td>\n49<\/td>\n923<\/td>\n<\/tr>\n
4\/6\/8<\/td>\n60<\/td>\n140<\/td>\n18<\/td>\n53<\/td>\n953<\/td>\n<\/tr>\n
250M<\/td>\nFF500<\/td>\n2<\/td>\n406<\/td>\n349<\/td>\n168<\/td>\n250<\/td>\n24<\/td>\n500<\/td>\n450<\/td>\n550<\/td>\n490<\/td>\n500<\/td>\n300<\/td>\n730<\/td>\n995<\/td>\n<\/tr>\n
4\/6\/8<\/td>\n65<\/td>\n58<\/td>\n<\/tr>\n
280S<\/td>\n2<\/td>\n457<\/td>\n368<\/td>\n190<\/td>\n280<\/td>\n545<\/td>\n565<\/td>\n810<\/td>\n1047<\/td>\n<\/tr>\n
4\/6\/8<\/td>\n75<\/td>\n20<\/td>\n67.5<\/td>\n<\/tr>\n
280M<\/td>\n2<\/td>\n419<\/td>\n65<\/td>\n18<\/td>\n58<\/td>\n1122<\/td>\n<\/tr>\n
4\/6\/8<\/td>\n75<\/td>\n20<\/td>\n67.5<\/td>\n<\/tr>\n
315S<\/td>\nFF600<\/td>\n2<\/td>\n508<\/td>\n406<\/td>\n216<\/td>\n65<\/td>\n18<\/td>\n58<\/td>\n315<\/td>\n28<\/td>\n600<\/td>\n550<\/td>\n660<\/td>\n24<\/td>\n6<\/td>\n640<\/td>\n630<\/td>\n400<\/td>\n1020<\/td>\n1185<\/td>\n<\/tr>\n
4\/6\/8\/10<\/td>\n80<\/td>\n170<\/td>\n22<\/td>\n71<\/td>\n1260<\/td>\n<\/tr>\n
315M<\/td>\n2<\/td>\n457<\/td>\n65<\/td>\n140<\/td>\n18<\/td>\n58<\/td>\n1305<\/td>\n<\/tr>\n
4\/6\/8\/10<\/td>\n80<\/td>\n170<\/td>\n22<\/td>\n71<\/td>\n1380<\/td>\n<\/tr>\n
315L<\/td>\n2<\/td>\n508<\/td>\n65<\/td>\n140<\/td>\n18<\/td>\n58<\/td>\n1305<\/td>\n<\/tr>\n
4\/6\/8\/10<\/td>\n80<\/td>\n170<\/td>\n22<\/td>\n71<\/td>\n1380<\/td>\n<\/tr>\n
355S<\/td>\nFF740<\/td>\n2<\/td>\n610<\/td>\n500<\/td>\n254<\/td>\n75<\/td>\n140<\/td>\n20<\/td>\n67.5<\/td>\n355<\/td>\n740<\/td>\n680<\/td>\n800<\/td>\n740<\/td>\n750<\/td>\n500<\/td>\n1080<\/td>\n1415<\/td>\n<\/tr>\n
4\/6\/8\/10<\/td>\n95<\/td>\n170<\/td>\n25<\/td>\n86<\/td>\n1485<\/td>\n<\/tr>\n
355M<\/td>\n2<\/td>\n560<\/td>\n75<\/td>\n140<\/td>\n20<\/td>\n67.5<\/td>\n1535<\/td>\n<\/tr>\n
4\/6\/8\/10<\/td>\n95<\/td>\n170<\/td>\n25<\/td>\n86<\/td>\n1605<\/td>\n<\/tr>\n
355L<\/td>\n2<\/td>\n<\/td>\n75<\/td>\n140<\/td>\n20<\/td>\n67.5<\/td>\n1645<\/td>\n<\/tr>\n
4\/6\/8\/10<\/td>\n<\/td>\n95<\/td>\n170<\/td>\n25<\/td>\n86<\/td>\n1675<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

 <\/p>\n

How Explosion-Proof Motors Provide Safety<\/h2>\n

An explosion-proof AC gear motor<\/b> does not prevent internal sparking or arcing \u2014 rather, it is designed so that if an internal ignition does occur, the resulting flame and hot gases cannot escape from the motor enclosure into the surrounding hazardous atmosphere. This containment principle is called “flameproof” protection (Ex d) under the IEC 60079 standard family.<\/p>\n

The critical engineering is in the joints. Every mating surface where two parts of the enclosure meet \u2014 the end shields to the stator housing, the terminal box cover to its body, the cable entry gland to the box \u2014 is machined with a controlled gap width and path length. When combustion gases expand and travel through these narrow, long gaps, they cool below the auto-ignition temperature of the surrounding gas mixture before reaching the outside atmosphere. The shaft exit point uses a labyrinth seal or a ground-surface gap with similarly tight tolerances to prevent flame propagation along the rotating shaft.<\/p>\n

Inside the motor, the construction follows the same squirrel-cage induction principle used in standard industrial motors: a three-phase stator winding produces a rotating magnetic field that induces current in the rotor bars and generates torque. The key differences are the heavier casting walls (which must withstand internal explosion pressure without rupturing), the wider flanges at mating surfaces (which provide the necessary flame path length), and the use of higher-grade insulation materials and impregnation resins that tolerate the elevated temperatures associated with the thicker, less-ventilated enclosure walls.<\/p>\n

\"ac-gear-motor-explosion-proof-application\"<\/p>\n

<\/p>\n

Application Scenarios for Explosion-Proof AC Motors<\/h2>\n

Oil Refineries and Petrochemical Plants<\/h3>\n

Pump drives, compressor duty, and fan applications within classified areas of refineries require motors that carry the appropriate Ex marking. The YBX4 suits both Zone 1 (gas may be present during normal operation) and Zone 2 (gas only under fault conditions) classifications. Its IE4 efficiency rating is especially valuable on large pump installations running 8 000+ hours per year, where even a single percentage point of efficiency gain represents a substantial reduction in electricity cost.<\/p>\n

Grain and Flour Processing<\/h3>\n

Grain dust in suspension is a recognized explosion hazard. Elevator leg drives, conveyor motors, and dust-collection fan motors in grain terminals and flour mills must carry explosion-proof certification. The YBX4 handles the heavy-duty start-stop cycles typical of grain handling while meeting the dust-ignition protection requirements of these facilities.<\/p>\n

Chemical Manufacturing<\/h3>\n

Reactor agitators, transfer pump drives, and ventilation fans operating in areas where volatile organic solvents are handled need flameproof-rated motors. The availability of 2-pole through 10-pole configurations in the YBX4 line means engineers can match the motor speed to the process requirement without adding a gearbox \u2014 a 6-pole unit running at 1000 rpm directly drives a slow-speed agitator, eliminating a potential maintenance point and an additional source of heat in the hazardous zone.<\/p>\n

Mining and Tunneling<\/h3>\n

Methane gas is a persistent hazard in coal mines and certain tunnel construction projects. Ventilation fans, conveyor belt drives, and coal-cutting machine motors all require explosion-proof certification. The YBX4 construction, with its reinforced casting walls and conservative temperature rise design (Class H insulation with Class F temperature rise), provides a safety margin that mine operators and safety inspectors appreciate during audits.<\/p>\n

\"ac-gear-motor-workshop-explosion-proof\"<\/p>\n

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Quality Certifications and Compliance<\/h2>\n

Explosion-proof motors face stricter certification scrutiny than standard industrial motors. Every YBX4 unit carries the following credentials:<\/p>\n

\"YBX4<\/p>\n