YB2/YB3 Flameproof Induction Motor

Overview

The YB2 / YB3 flameproof three-phase motor (frame H80–H355) is a flameproof (Ex d) derivative of the Y / YE3 high-efficiency platforms. Flameproof performance complies with GB 3836.1 / GB 3836.2. The YB3 series meets GB18613 Grade 2 (IE3) and fully replaces YB2 / YBE2 / YBE3, serving sites with explosive gas mixtures.

Applications

• Coal mine (non-face) with methane gas or coal dust
• Petrochemical, natural gas and other plant explosive atmospheres
• Metallurgy, power, pharma, grain processing hazardous areas

Technical Highlights

• Ex d Ⅰ Mb, Ex d ⅡB T4 Gb, Ex d ⅡC T4 Gb
• Advanced flameproof enclosure, safe and reliable
• High efficiency, large temperature-rise margin, long life
• Low noise & vibration, excellent starting
• Multi-voltage (380/660/1140V) and mounting for explosive sites

Operating Conditions

Ambient -15℃ to +40℃, altitude ≤1km, monthly avg. humidity ≤90% (at 25℃); Class F insulation, IC411 cooling, S1 duty. State explosion group, temperature class and mounting when ordering.