Cummins NTA Series 380kVA Diesel Generator for Building Construction & Temporary Power Supply
| Engine: | Cummins | Fuel Type: | Diesel |
| Coolingsystem: | Radiator Cooled | Cooling System: | 40℃ Standard Water Cooling Cycle |
| Cerificate: | ISO9001/ CE | Rated Voltage: | 400V/230V |
| Starting Method: | DC 24V DC Start | Oil Supply Method: | Direct Injection |
| Debugging Method: | Electronic Speed Regulation | Air intake Method: | Turbocharged Intercooler |
| High Light: | Construction Cummins Diesel Genset,Temporary Power Cummins Diesel Generator Set,Temporary Power Cummins Industrial Generator |
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Cummins NTA Series 380kVA Diesel Generator for Building Construction & Temporary Power Supply
Product Overview
WOPUSAI Cummins NTA series 380kVA open-frame diesel generator set adopts genuine Cummins NTA855-G2A engine, matched with TFW high-power all-copper brushless alternator. The upgraded turbo intercooler structure provides sufficient power reserve, suitable for heavy load startup and long-time continuous running. It is the ideal prime/standby power for medium mining projects, large factories and data room backup power.
Product Showcase
Complete open‑frame genset assembly, Cummins NTA series diesel engine unit, TFW brush‑less all‑copper alternator, industrial‑grade control cabinet, complete piping assembly and heavy‑duty high‑capacity water cooling radiator.

Key Specifications
250kVA-440kVA NTA series Cummins open frame unit |
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| Rated power | 200KW/250kVA | 250KW/313kVA | 275KW/345kVA | 310KW/388kVA | 330KW/413kVA | 330KW/413kVA | 350KW/438kVA |
| Rated current | 396A | 450A | 495A | 558A | 594A | 594A | 630A |
| Rated voltage | 400V/230V | ||||||
| Rated frequency | 50Hz | ||||||
| Rated speed | 1500rpm | ||||||
| Fuel consumption | 250g/KW.h | ||||||
| Dimensions | 3200*1100*1750mm | ||||||
| Unit weight | 2200KG | 2500KG | 2800KG | 3000KG | 3200KG | 3300KG | 3500KG |
| Noise index | 110dB | ||||||
| Model | NTA855-GA | NTA855-G1A | NTA855-G1B | NTA855-G2A | NTA855-G4 | NTAA855-G7 | NTAA855-G7A |
| Number of cylinders | 6L | ||||||
| Bore stroke | 140*152mm | ||||||
| Exhaust volume | 14L | ||||||
| Starting method | DC 24V DC start | ||||||
| Cooling method | 40℃ standard water cooling cycle | ||||||
| Oil supply method | Direct injection | ||||||
| Debugging method | Electronic speed regulation | ||||||
| Air intake method | Turbocharging | ||||||
| Generator configuration | Brushless all copper | ||||||
| Brand/Model | TFW-220 | TFW-250 | TFW-275 | TFW-310 | TFW-330 | TFW-330 | TFW-350 |
| Rated power | 200KW/250kVA | 250KW/313kVA | 275KW/345kVA | 310KW/388kVA | 330KW/413kVA | 330KW/413kVA | 350KW/438kVA |
| Insulation level | H | ||||||
| Protection level | IP 23 | ||||||
| Wiring method | Star connection | ||||||
| Adjustment method | AVR automatic voltage regulation | ||||||
| Power Factor | 0.8 lag | ||||||
Core Advantages
✅ Cummins NTA heavy-duty 6-cylinder engine, strong overload capacity, suitable for impact load
✅ TFW all copper brushless generator, AVR automatic voltage adjustment, stable output for sensitive equipment
✅ Large-capacity water cooling radiator, can continuously work under high ambient temperature
✅ Direct injection fuel system, reliable combustion performance, easy routine maintenance
✅ Integrated heavy base frame with shock pads, reduce vibration noise and improve unit stability
🎯 Application Scenarios
- Medium mining site off-grid prime power
- Large manufacturing factory standby power supply
- Data room, communication station emergency backup power
- Large construction engineering temporary power
⚙️ Optional & Customization
Silent enclosure, ATS automatic transfer switch, genset parallel system, remote monitoring, large base fuel tank, anti-corrosion treatment.
📦 Packaging Standards
Steel frame packing with moisture-proof package, complete accessories, operation manual and test record.
🚛 Shipping & Delivery
Sea, land and air transport available. Customized packing for overseas project delivery.
🏢 Brand Introduction
WOPUSAI Mechanical and Electrical provides one-stop power generation solutions. Every generator undergoes strict full-load testing before delivery, with global after-sales technical support and spare parts supply.
