Discover the W-SQ Pro 25 mobile generator

W-SQ Pro 25

Where to buy
W SQ Pro 25 Front
Website Header Mobile
Perfect sinewave

Industrial power quality for a disturbance-free power provision

Fixed speed

27 kVA (25 kW), 230 VAC, 1 ph, 50 Hz (60 Hz)

Smallest and quietest in it’s class

Robust sound-shield & heavy insulation for optimal sound reduction - 58 dBA

Meet the W-SQ Pro 25 1-PHASE, designed to last a lifetime

Every W-SQ (Super Quiet) Pro 25 WhisperPower diesel generator is designed for non-stop, 1500/1800 rpm operation under harsh circumstances. They are robust, silent, compact and extremely reliable. All W-SQ Pro 25 generators are made in the Netherlands and tested during a 3 hours running period in one of the most advanced generator production facilities in the world, before distributed on a world-wide base by dedicated, service orientated, distribution partners.

Main Specifications

  • Intermittent Power kW at 25°C (77°F)
    25 kW
  • Continuous Power kVA at 25°C (77°F)
    27 kVA
  • Continuous Power kW at 25°C (77°F)
    22.5 kW
  • Nominal voltage / frequency
    230 VAC, 1 ph, 50 Hz (60 Hz)
  • Rpm range
    1500/1800 rpm
  • Engine
    WhisperPower Mitsubishi S4S - 4 cylinder
  • Noise level
    58 dB
  • Length x width x height, mm (in.)
    1555 x 749 x 805 (61.2 x 29.5 x 31.7)
  • Dry weight (cabinet + PMG), kg (lb.)
    640 (1411)
W SQ Pro 25 Right Side1
W SQ Pro 25 Right Side

Optional installation parts

Spare parts

W SQ Pro 32 Front Side
W SQ Pro 32 Front Side

Optimal Sound reduction

The W-SQ Pro 25 comes standard with a robust sound-shield with corrosion proof metal plating and heavy insulation material for optimal sound reduction. The sound shield is equipped with easy entry to all sides of the generator and offers access to all maintenance related components from one-side.

Units can also be delivered without a sound-shield. Ask for our open units with or without sound-shield.

Ddc Dpc Touch1

DDC with optional 7" Touch Panel

Important feature of the W-SQ Pro 25 is the 7 inch full colour touch screen control which will be connected with WhisperCare. This allows full control over the W-SQ Pro 25 generator system. A perfect solution for instant information and/or historic with attractive visualization.

Pure power, excellent service & adequate parts supply

All W-SQ Pro 25 generators are set up to automatically operate air-conditioning/ heating systems, heavy-duty tools, compressors, kitchen galleys, lights, refrigeration and cooling systems, computers and more. All at the same time, depending on the load.

The ever growing global network of distributors and dealers take care of technical support and service. Spare parts can be ordered from them or through shop.whisperpower.com.

Promotional Banner

27 kVA / 25 kW

Fixed speed

230 VAC, 1 ph, 50 Hz (60 Hz)

Output Voltage

1555 x 749 x 805 mm, 640 kg

61.2 x 29.5 x 31.7 in., 1411 lb.

WhisperCare1

24/7 Monitoring with WhisperCare 2.0

The W-SQ Pro 25 can be monitored 24/7 in real-time remotely via the optional WhisperCare Wi-Fi router package. This is based on a 4G/ 5G internet connection in combination with a WhisperTouch 7ʺ or 10” monitoring screen.

With WhisperCare, all important parameters can be read from a distance via a cell phone, tablet or computer. In addition, full Wi-Fi is now available for computers, TVs and other enabled devices. WhisperPower systems can also be connected to various digital switching systems and each integrates perfectly with Naviop, Yachtcontrol, Garmin, Trigentic, EmpirBus and others.

W SQ Pro 25 Left Side
W SQ Pro 25 Left Side

Advanced total system

  • 1500/1800 rpm, 1 phase, 230 V / 50 Hz
  • Manufactured in Holland, Highest quality standards
  • Robust AVR voltage regulation
  • Electronic governor for best power quality
  • Air-cooled, industrial back-end
  • Indirect water cooling principle
  • All connections are pre-mounted (cooling, exhaust, electrical)
  • Parallel connection optional
  • Ungrounded versions available
  • Open versions, units without sound shields, available
Extremely Silent

The most silent generator in the market

Optimal sound reduction

Robust sound-shield, corrosion proof metal plating

Perfect sinewave

Industrial power quality for a disturbance-free power provision

One-sided service

Access to all maintenance related components from one side

One stop-shop

All parts from one address

24/7 monitoring

With WhisperCare, all important parameters can be read from a distance via a cell phone, tablet or computer