
YBX3-HYBX3-H Series Marine Flameproof Three-Phase Asynchronous Motor
Marine Flameproof Motor WOLONG YBX3-H

YBX3-H is the marine flameproof version of the YBX3 series: frames 80–355, 0.75–315 kW, 2–10 poles, voltages 220/380, 230/400, 240/415, 440, 460, 480, 525, 550, 750, 380/660, 400/690 and 415/720 V at 50 or 60 Hz (star connection up to 3 kW, delta above). Totally enclosed fan-cooled squirrel-cage construction, IC411 cooling, IP56, class 155 (F) insulation, S1 duty, IMB3 mounting. Explosion protection marking is Ex d IIB T4 Gb, covering group IIB gas atmospheres and temperature classes T1–T4. The motor is certified by the China Classification Society (CCS).
Specifications
- Power range
- 0.75–315 kW
- Frame sizes
- 80–355 mm
- Poles
- 2–10
- Voltage and frequency
- 220/380, 230/400, 240/415, 440, 460, 480, 525, 550, 750, 380/660, 400/690, 415/720 V; 50 or 60 Hz (star up to 3 kW, delta above 3 kW)
- Explosion protection
- Ex d IIB T4 Gb; group IIB atmospheres, temperature classes T1–T4
- Protection / cooling
- IP56 / IC411, totally enclosed fan-cooled squirrel-cage design
- Insulation / duty / mounting
- 155 (F) / S1 / IMB3 (other mountings on request)
- Certification and conditions
- China Classification Society (CCS); level 2 of GB 18613-2012; −20…+45 °C (higher by agreement)
Applications
- Cargo and fuel system pumps on tankers
- Fans in hazardous shipboard spaces
- Deck machinery on gas and chemical carriers
- Drilling platform and offshore equipment
- Compressors of shipboard process plants
We will select the right size for your task and prepare a quotation under a direct SDS contract.







