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March 28, 2026Gillette SP-4000 Standby Generator (400kW)
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The Gillette SP-4000 Standby Generator offers a PSI engine, three phase voltages, and up to 400 kW of power using Natural Gas or 300 kW of power using LP. Engineered for reliability, durability, and performance.
Or call us: (888) 481-8845
The Gillette SP-4000 Standby Generator offers a PSI engine, three phase voltages, and up to 400 kW of power using Natural Gas or 300 kW of power using LP. Engineered for reliability, durability, and performance.
| Model | Phase, Voltage, Power Factor |
LP Gas kW, kVA, Amps |
Natural Gas kW, kVA, Amps |
| SP-4000-3-2 | 3 Phase, 120/208V, 0.8pf |
300kW, 375kVA, 1250A |
400kW, 500kVA, 1390A |
| SP-4000-3-3 | 3 Phase, 120/240V, 0.8pf |
300kW, 375kVA, 1042A |
400kW, 500kVA, 1204A |
| SP-4000-3-4 | 3 Phase, 277/480V, 0.8pf |
300kW, 375kVA, 521A |
400kW, 500kVA, 602A |
| SP-4000-3-5 | 3 Phase, 127/220V, 0.8pf |
300kW, 375kVA, 452A |
400kW, 500kVA, 1314A |
| SP-4000-3-16 | 3 Phase, 346/600V, 0.8pf |
300kW, 375kVA, 985A |
400kW, 500kVA, 481A |
FEATURES
- All generator sets are USA prototype built and thoroughly tested. Production models are USA factory built and 100% load tested.
- Solid state, frequency compensated voltage regulation is standard.
- A brushless rotating field generator design with shunt wound excitation system and connectable at a broad range of 3 phase voltages.
- Deep Sea 7420 digital controller allows programming to basic engine functions in the field. Controller has stop-manual-auto mode and engine shutdowns, signaled by full text LCD indicators. Includes power monitoring, event logging, and hour meter.
- Electronic engine governor incorporates a throttle body actuator for precise isochronous frequency regulation.
- Heavy-duty Circuit Breaker is standard on all gen-sets.
- Battery tray, cables, straps, and charger included.
- Meets NFPA-110 Level 1 when equipped with the necessary accessories and installed per NFPA standards.
- UL-1446 UL-2200 Certified.
ENCLOSURE OPTIONS
- OPEN STYLE – No Enclosure: Gen-set must be placed within a weather protected area, un-inhabited by humans or animals, with proper ventilation. Silencer and flexible exhaust hose are not supplied , as installation requirements are not known. However, these two items are available as optional equipment.
- LEVEL 2 – Aluminum Housing: Full weather protection and superior sound attenuation for specific low noise applications. Critical grade silencer is standard. Average sound level of 81 dBA at 23 ft.
| Enclosure | Dimensions (inches) L x W x H |
Three Phase Weight (lbs) |
| Open Style | 168 x 82 x 92 | 9550 |
| Level 2 | 226 x 82 x 100 | 12,050 |
DOWNLOADS
OPTIONS
- Engine Coolant Heater
- Enclosure Space Heater
- Starting Battery Heater Blankets
- 10A Battery Charger Upgrade
- 20A Battery Charger Upgrade
- Emergency Stop Switch – mounted in a NEMA 4X small enclosure, UL Listed, Suitable for remote locations, Complies with NFPA-110 requirements.
- Emergency Stop Switch – mounted in a “Break Glass Station” NEMA 3R small enclosure, UL Listed, Suitable for remote locations, Complies with NFPA-110 requirements
- NFPA-110 Compliance Package: Includes 16 lamp dual (8) display remote annunciators (choice of flush-mount or surface-mount) and a heavy-duty 10A 12/24 VDC battery charger
- External Permanent Magnet Generator (PMG) for improved motor starting capabilities and un-interrupted excitation power
- External Permanent Magnet Generator (PMG) with Digital Voltage Regulator (DVR) for improved motor starting capabilities, un-interrupted excitation power, and RMS sensing
- Critical Grade Silencer Upgrade for average sound level of 96 dBA at 23 ft with an Open Gen-Set (standard with Level 2 Enclosure)
- Hospital Grade Silencer Upgrade for average sound level of 75 dBA at 23 ft in a Level 2 Enclosure
- R7 Foam Insulation (4-5 dBA sound reduction)
- Paralleling Package
- 2″ Felxible Dry Fuel Line
- Two 1000 CCA 12VDC Starting Batteries
- Stainless Steel Enclosure
- Generator Enclosure Lights
- Liquid Containment Pan – installed under frame base
- Spring Vibration Mounts
- Motorized Dampers
- Isolator Mounting Pads
- Controller Upgrades and Alarm Interfaces
- Asco 300 Automatic Transfer Switch (See Accessories Tab for a partial listing or follow this link for a full listing)
- Five Year Extended Warranty
| Brand | Gillette |
|---|---|
| Weight | Varies – See Weight Chart |
| Dimensions | Varies – See Dimension Chart |
| Voltage | 120/208, 120/240, or 277/480 |
| Engine | PSI 4-cycle, 12-cylinder, Turbocharged |
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