Cummins Generator Set – 500 kVA, Stamford Alternator,  Brushless, 400V 3-Phase

The Cummins 500 kVA generator set combines dependable Cummins diesel engine technology with a premium Stamford brushless alternator to deliver consistent 3-phase power output. Designed for industrial, commercial, or utility backup power needs, the generator provides a power factor of 0.8 and operates at standard 400V and 50 Hz configuration. The Stamford alternator features an excitation voltage of 43V and current of 2.5A, supported by an Automatic Voltage Regulator (AVR) for precise voltage control. The alternator is rated with Class H insulation and has a thermal classification of 180°C with a temperature rise limited to 125°C, ensuring thermal durability under extended load conditions. With drip-proof IP23 protection and self-ventilated air cooling, the unit is suitable for indoor or enclosed use. The entire generator is base-frame mounted with foot support for ease of installation and vibration isolation.

Specifications:

– Generator Set Brand: Cummins
– Alternator Brand: Stamford
– Rated Power Output: 500 kVA
– Power Factor: 0.8 (Lagging)
– Output Voltage: 400 V (typical)
– Frequency: 50 Hz
– Phase Configuration: 3-Phase
– Alternator Type: Brushless with AVR
– Excitation Voltage: 43 V
– Excitation Current: 2.5 A
– Insulation Class: H
– Temperature Rise: 125°C
– Thermal Classification: 180°C
– Stator Winding Configuration: 14
– Ambient Temperature: 40°C
– Enclosure Protection: IP23 (Drip-proof, restricted access)
– Cooling Method: Self-Ventilated Air Cooling
– Mounting: Foot-mounted on steel base frame
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