Discover the M-SQ 22.5 marine generator

M-SQ 22.5

M SQ 22.5 Front Side
Website Header Marine
Perfect sinewave

Industrial power quality for a disturbance-free power provision

Fixed speed

230 VAC, 1 ph, 50 Hz (60 Hz) / 230/400 VAC, 3 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 M-SQ 22.5, designed to last a lifetime

Every M-SQ (Super Quiet) 22.5 WhisperPower diesel generator is designed for non-stop, 1500/1800 rpm operation under harsh circumstances. They are robust, silent, compact and extremely reliable. All M-SQ 22.5 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 M-SQ 22.5, 230 VAC, 1 ph, 50 Hz (60 Hz)

  • Intermittent Power kW at 25°C (77°F)
    22 kW
  • Continuous Power kVA at 25°C (77°F)
    22.5 kVA
  • Continuous Power kW at 25°C (77°F)
    20 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.)
    1260 x 680 x 800 (49.6 x 27.8 x 31.5)
  • Dry weight (cabinet + PMG), kg (lb.)
    580 (1279)
M SQ22.5 Side Open
M SQ22.5 Side Open

Main Specifications M-SQ 22.5, 400-230 VAC, 3 ph, 50 Hz (60 Hz)

  • Intermittent Power kW at 25°C (77°F)
    22 kW
  • Continuous Power kVA at 25°C (77°F)
    22.5 kVA
  • Continuous Power kW at 25°C (77°F)
    20 kW
  • Nominal voltage / frequency
    400-230 VAC, 3 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.)
    1260 x 680 x 800 (49.6 x 27.8 x 31.5)
  • Dry weight (cabinet + PMG), kg (lb.)
    580 (1279)

Optional installation parts

Spare parts

SQ22.5 C

Optimal Sound reduction

The M-SQ 22.5 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 Touch1

DDC with optional 7" Touch Panel

Important feature of the M-SQ 22.5 is the 7 inch full colour touch screen control which will be connected with WhisperCare. This allows full control over the M-SQ 22.5 generator system, on board of a ship or boat. A perfect solution for instant information and/or historic with attractive visualization.

Pure power, excellent service & adequate parts supply

All M-SQ 22.5  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.

Navy Banner

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

1500 / 1800 rpm adjustable

400-230 VAC, 3 ph, 50 Hz (60 Hz)

1500 / 1800 rpm adjustable

1260 x 680 x 800 mm, 580 kg

49.6 x 27.8 x 31.5 in., 1279 lb.

WhisperCare1

24/7 Monitoring with WhisperCare

The M-SQ 22.5 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.

M SQ22.5 Side Open1
M SQ22.5 Side Open3

Advanced total system

  • 1500/1800 rpm, 1 or 3 phase, 230 V / 50 Hz
  • Manufactured in Holland, Highest quality standards
  • Robust AVR voltage regulation
  • Electronic governor for best power quality
  • Air-cooled, marine grade 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