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4U PowerGenerationFZC

Lister Petter generating set · 50 Hz

4U-L25 — 25 kVA prime / 28 kVA standby Lister Petter diesel generator

25 kVA prime / 28 kVA standby, powered by a Lister Petter SA430G1 engine with a Leroy-Somer or Stamford alternator and Deep Sea controller. Supplied open or in a silent canopy, with delivery, installation and commissioning across the UAE.

  • 25 kVA prime
  • 28 kVA standby
  • Lister Petter SA430G1
  • 1-year warranty
4U-L25 — 25 kVA prime / 28 kVA standby Lister Petter diesel generator

Output ratings

Output ratings — 4U-L25
Standby (ESP)28 kVA / 22 kW
Prime (PRP)25 kVA / 20 kW
Voltage / frequency400/230 V · 3-phase · 50 Hz · 1500 rpm
Power factor0.8
Other voltages380/220 · 415/240 · 440/254 · 480/277 V

Engine

Engine — 4U-L25
Make / modelLister Petter SA430G1
Cylinders4 in-line
Displacement3 L
Bore × stroke95 × 105 mm
AspirationNaturally aspirated
GoverningElectronic
CoolingWater cooled, radiator for 52 °C ambient
Coolant capacity11.4 L
Lube oil capacity8 L

Alternator

Alternator — 4U-L25
Make4U · Leroy-Somer | Stamford
TypeSelf-excited, 4-pole, single bearing
Insulation / protectionClass H · IP23
Voltage regulation± 1 %

Fuel consumption

Fuel consumption — 4U-L25
50 % prime load3.9 L/h
75 % prime load5.5 L/h
100 % prime load7.3 L/h
Standby rating8.2 L/h

Dimensions & weight

Dimensions & weight — 4U-L25
Open set (L × W × H)1900 × 750 × 1400 mm
Silent canopy (L × W × H)2307 × 1044 × 1415 mm
Base fuel tank198 L

Control & protection

Control & protection — 4U-L25
ControllerDeep Sea DSE4520 MKII — auto start / AMF
Main breaker3-pole LS MCCB
Shutdowns & alarmsOver/under speed & voltage, over-current, low oil pressure, high engine temperature, battery, start/stop failure, emergency stop
Warranty12 months or 1,000 running hours, whichever first
  • Prime (PRP): unlimited hours at an average 80 % load over each 24 h, with 10 % overload for 1 h in every 12 h.
  • Standby (ESP): up to 500 h a year at an average 80 % load during mains failure; no overload.
  • Options: silent canopy or container, external tank (500–5,000 L), ATS panel, synchronising, 55 °C radiator, engine heaters.

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