PERKINS 403A-15G1 Diesel Generator – 17.5 kVA Standby

The PERKINS 403A-15G1 diesel generator set is a compact and dependable power solution tailored for small businesses, homes, and light commercial operations. With a prime power output of 15 kVA (11.4 kW) and standby rating of 17.5 kVA (13.9 kW), this three-phase generator operates at 400V, 50 Hz and maintains a steady voltage regulation within ±1%.

This generator features the Perkins 403A-15G1 engine — a 3-cylinder, vertical inline, naturally aspirated, 4-stroke diesel engine with a displacement of 1.496 liters. Built for performance and efficiency, it includes mechanical governing (G2 class under ISO 8528-1), a compression ratio of 22.5:1, and a robust cooling system. Starting is managed via a 12V DC electric start, and the system incorporates a 15A dynamic charging alternator.

Power output is delivered via a reliable 4-pole, brushless alternator from Leroy Somer or Stamford, model AL-040-C. This alternator includes a self-excited excitation system and an AVR (model R120) for consistent voltage stability. It is IP23 rated and insulated to Class H, with a temperature rise allowance of 125°C in 40°C ambient conditions. The total harmonic factor (THF) is maintained below 3.5%, and the telephone influence factor (TIF) is kept under 50.

Designed to perform reliably up to 2250 rpm in overspeed protection mode, this generator complies with key international standards including ISO 3046, BS 5514, NEMA-MG1, and IEC 60034. Its compact structure and stable performance make it ideal for off-grid applications, standby power, or continuous usage in mild industrial settings.

Specifications:

– Model: PERKINS 403A-15G1 Diesel Generator
– Prime Power: 15 kVA (11.4 kW)
– Standby Power: 17.5 kVA (13.9 kW)
– Voltage: 400V, 3-Phase
– Frequency: 50 Hz
– Voltage Regulation: ±1%
– Total Harmonic Factor (THF): < 3.5%
– Telephone Influence Factor (TIF): < 50
– Rated Speed: 1500 RPM
– Overspeed Protection Limit: 2250 RPM

Engine Specifications:
– Engine Make: Perkins
– Engine Model: 403A-15G1
– Number of Cylinders: 3 (Vertical In-line)
– Engine Cycle: 4-Stroke
– Aspiration: Naturally Aspirated
– Cooling Method: Water-Cooled
– Governing Type: Mechanical
– Governing Class: G2 (ISO 8528-1)
– Compression Ratio: 22.5:1
– Displacement: 1.496 Liters
– Bore x Stroke: 84 mm x 90 mm
– Starting System: 12V DC Electric Start
– Charging Alternator: 15A, 12V
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