Cummins 500 DF EC Diesel Generator – 500 kVA, Brushless Alternator with AVR, 3-Phase

The Cummins 500 DF EC diesel generator is engineered for demanding industrial and standby power applications, offering 500 kVA (400 kW) output at a power factor of 0.8 lagging. Built with a robust HCI534D1 alternator core, this 3-phase generator delivers 400 V at 760 A with tight voltage regulation of ±1% through an automatic voltage regulator (AVR) system. The brushless excitation system ensures long-term reliability and maintenance-free operation, while its Series Star stator connection and insulation Class H enable thermal durability in high-load conditions. Operating at 1500 RPM and 50 Hz, this generator is housed in an IP23-rated enclosure, suitable for controlled indoor environments or protected outdoor installations.

Specifications:

– Manufacturer: Cummins Power Generation
– Model: 500 DF EC
– Serial Number: A15E22146
– Alternator Frame/Core: HCI534D1
– Rated Output: 500 kVA / 400 kW
– Power Factor: 0.8 (lagging)
– Phase Configuration: 3-Phase
– Voltage Output: 400 V
– Current Output: 760 A
– Frequency: 50 Hz
– Operating Speed: 1500 RPM
– Stator Connection: Series Star
– Excitation Type: Brushless with AVR
– Excitation Voltage: 43 V
– Excitation Current: 2.5 A
– Voltage Regulation: ±1% (typical with AVR)
– Insulation Class: H
– Enclosure Protection Rating: IP23

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