Perkins 150 kVA 3 Phase Silent Diesel Generator
The Perkins 150 kVA 3 phase silent diesel generator stands out as a premier commercial backup power solution, specifically engineered to combat persistent load shedding and grid instability in South Africa. Powered by a heavy-duty, world-renowned British engine, this industrial standby generator provides an unyielding line of defense for shopping centers, manufacturing plants, data servers, and medium-scale agricultural operations.
Equipped with a highly optimized sound-attenuated weatherproof canopy, it dampens intense engine noise down to a comfortable 72–75 dB at 7 meters, making it perfectly suited for urban business parks and residential complexes where strict noise regulations apply.
Detailed Engineering & Performance Breakdown
Heavy-Duty Powertrain & Alternator
At the heart of this three-phase diesel generator lies the turbocharged Perkins 1106A-70TAG2 (or 1106A-70TG1) diesel engine. Featuring a 7.01-liter displacement across 6 inline cylinders, this mechanical fuel-injection setup accepts variable fuel qualities across global markets seamlessly. It is coupled with a premium brushless Leroy Somer alternator (IP23 protected, Class H insulation) to deliver stable, clean voltage with a steady-state regulation of ±1%, safeguarding sensitive electronic equipment from harmful surges during power transitions.
Advanced Control & Automation
For autonomous power restoration, the unit integrates a Deep Sea Electronics (DSE) auto-start controller (typically the DSE 6120 or DSE 7310 MKII). The intelligent panel handles comprehensive real-time engine diagnostics, structural load protection, and automatic fuel pump control. When combined with a 3-phase automatic transfer switch (ATS) installation, the system instantly detects utility grid failures and brings the commercial backup power online within mere seconds negating costly operational downtime.
Fuel Efficiency & Extended Runtime Math
Designed for cost-efficient long-haul performance, the engine features highly competitive fuel consumption metrics at standard 1500 RPM (50Hz) intervals:
50% Prime Load: ~16.4 Liters / hour
75% Prime Load: ~24.7 Liters / hour
100% Prime Load: ~33.4 Liters / hour
With an integrated bunded base fuel tank ranging from 390 to 450 liters, businesses are guaranteed 12 to 18 hours of continuous, uninterrupted operation on a single fill under normal variable loads.
Technical Specifications Summary Matrix
Standby Rating (ESP): 150 kVA / 120 kW (Emergency power use, no overload permitted)
Prime Rating (PRP): 136 kVA / 108 kW (Continuous power supply, 10% overload allowed 1hr/12hr)
Cooling System: Water-cooled via heavy-duty copper radiator up to 50°C ambient safety
Safety Protections: Low oil pressure shutdown, high coolant temperature trip, over/under speed alarms, fuel theft sensor integration
Chassis Construction: Powder-coated anti-corrosion mild steel enclosure, central single-point lifting ring, integrated forklift pockets, anti-vibration rubber mounts



