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An infographic showing the connection setup between a generator, transfer switch (manual or automatic), and a home's power system. The image includes a generator outside the house, cables, an inlet, a transfer switch, and a consumer unit fuse board, indicating how power flows from the generator to the home's appliances in case of an outage.
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Senci SC-25YC-V3PH Diesel Generator Three Phase 1500rpm

This item is currently on PRE-ORDER and not available for immediate dispatch. This item will be available for delivery week commencing: 14th September 2026.

Price includes VAT & Delivery.
Order before 1pm for Express Delivery
(UK Mainland Only) Exclusions Apply*

£6,249.00 inc VAT

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The Senci SC-25YC-V3PH is a powerful three-phase diesel generator designed for reliable standby power. Delivering a power output of 20kW and a maximum output of 22kW, it is suitable for backup power only to commercial premises, workshops, agricultural use, construction sites and backup power installations.

Powered by a robust Yuchai YC4V45Z-D20 four-cylinder diesel engine, the SC-25YC-V3PH operates at a low engine speed of 1500rpm. Its water-cooled, four-stroke engine is designed for dependable operation during extended running periods, while turbocharging and an electronically controlled high-pressure common rail fuel system provide efficient and responsive engine performance.

The generator produces a 400V, 50Hz three-phase electrical supply and is fitted with a Senci SC-184F brushless alternator. Automatic Voltage Regulation helps maintain a stable electrical output as the connected load changes, making the generator suitable for powering a wide range of compatible electrical equipment.

A Deep Sea Electronics DSE6120 MKIII controller provides straightforward monitoring and control of the generator. The unit also includes a circuit breaker and is ATS-ready, allowing it to be incorporated into a suitable automatic standby power installation when connected and configured by a qualified electrician.

The heavy-duty generator set has a net weight of approximately 780kg and measures 2030mm long, 930mm wide and 1270mm high.

Please note that due to the size and weight of this item, offload will be required via forklift or similar telehandler. This is not included with the delivery and will have to be organised by the customer.

  • A three-phase standby diesel generator with a continuous output of 20kW.
  • Powered by a heavy-duty Yuchai YC4V45Z-D20 diesel engine
  • Equipped with an AVR alternator for a clean energy output.
  • Four-cylinder, inline engine configuration
  • Water-cooled, four-stroke engine
  • Turbocharged air intake system
  • Electronically controlled high-pressure common rail fuel system
  • Senci SC-184F brushless alternator
  • Deep Sea Electronics DSE6120 MKIII generator controller
ManufacturerSenci
Product Code SC-25YC-V3PH
Continuous KVA 25.00 KVA
Maximum KVA 27.50 KVA
Continuous KW 20.00 KW
Maximum KW 22.00 KW
Sockets Hard Wired
Rated Voltage400V
Frequency50Hz
Rated power factor0.8
Rated Current36A
Rated Speed1500 RPM
Engine ModelYC4V45-D20
No. of Cylinders4
CoolingWater-cooled
Fuel Type Diesel
Fuel Capacity 61 Litres
Run Time at 50% Load18 Hours
Consumption6.78 Litres Per Hour
Oil TypeSAE 15W40
Oil Capacity6.5 Litres
Starting Method Electric
Alternator TypeBrushless
AVRYes
ATSNo
Control ModuleDeep Sea Electronics DSE6120 MKâ…¢
Circuit BreakerNXM-63A/3P
Noise Level at 7m 78 dB(A)
Dimensions (WxHxL) 930 x 1270 x 2030mm
Weight780.00kg
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