JFP 500kVA-1200kW Standby Backup Diesel Generator with Stamford Alternators Product Overview This series of heavy-duty standby backup diesel generator sets features original Stamford brushless alternators, covering a power range from 500kVA up to 1200kW. Powered by well-known industrial diesel engines, these gensets are designed for mission-critical emergency standby power applications. Compliant with ISO 8528 and CE standards, they deliver stable, high-quality power output