YBX4 Explosion-Proof General-Purpose Motor

Product Overview

The YBX4 series explosion-proof general-purpose motors feature excellent flameproof performance, compact structure, safe and reliable operation, and convenient installation and maintenance.

The explosion-proof design complies with GB 3836.1 Electrical apparatus for explosive gas atmospheres – Part 1: General requirements and GB 3836.2 Electrical apparatus for explosive gas atmospheres – Part 2: Flameproof enclosure “d”.

These motors are widely used for driving fans, pumps, compressors, mixers, and other mechanical transmission equipment. They are suitable for Group II hazardous locations (excluding underground coal mines) containing explosive gas atmospheres with temperature class T4, such as alkanes, benzene, alcohols, hydrogen, etc.

Explosion-proof markings:
Ex d IIA T4 Gb / Ex d IIB T4 Gb / Ex d IIC T4 Gb

Technical Features

• Standard mounting dimensions in accordance with GB/T 997

• Class F insulation system, with Class B temperature rise evaluation

• S1 continuous duty, cooling method IC411, enclosure protection IP55

• Frame sizes 225 and below equipped with sealed bearings

• Frame sizes above 225 provided with regreasing devices

• Terminal box mounted on the top of the frame, offering excellent flameproof performance

Main Technical Data

Operating Conditions

• Ambient temperature: –15 ℃ to +40 ℃

• Relative humidity: ≤ 90% (below 20 ℃)

• Altitude: ≤ 1000 m

Detailed Technical Data