Multi‑Speed Flameproof Motors for Gas Groups IIA/IIB (IS/IEC 60079)
AB-2507-8
Road Number 7, M.I.D.C, Chakala Industrial Area (MIDC), Andheri East, Mumbai, Maharashtra, India
Multi‑Speed Flameproof Motors from Hindustan Electric Motors are specifically designed for applications requiring variable operating speeds and explosion protection. Certified to IS/IEC 60079‑1 Ex “d” for Gas Groups IIA & IIB, these motors enable efficient performance in hazardous environments while allowing adaptability through multiple speed settings.
Constructed with TEFC (Totally Enclosed Fan Cooled) enclosures and Class F insulation, these motors ensure high safety, low maintenance, and reliable operation even under extreme industrial conditions.
Key Specifications:
- Multi‑Speed Capability: Designed to operate at various preset speeds
- Gas Group Certification: IIA & IIB
- Protection: Flameproof “Ex d”, IP55 TEFC
- Frame Sizes: Typically 71 to 315 (please confirm exact range)
- Power Range: Up to approximately 200 kW
- Poles: Configurable as 2, 4, 6 & 8
- Mounting Options: B3, B5, B14 & combined types
- Voltage: 415 V ±10% or custom
- Frequency: 50 Hz ±5% or customizable
- Ambient Temp: Up to 50 °C
- Altitude Rating: Up to 1000 m
- Insulation: Class F with temperature rise limited to Class B
Applications & Benefits:
Ideal for pumps, fans, compressors, and mixers that require variable speed operation in hazardous settings such as chemical plants, oil & gas facilities, refineries, and offshore installations. These motors offer enhanced process control, energy savings, and explosion-proof safety.