1PCS For Generator Control Unit 50/60 Hz Automatic Engine Controller GCU-20 NEW

Specification：

GCU-20 Automatic Engine & Generator Control Unit has many useful functions

It's suitable for pump engine control. GCU-20 also provide IDLE control for electronic governors.

Microprocessor based design

Universal LED graphic interface, displays generator status and failures

Modular design, quick installation

With annunciator alarm output

Selectable MPU signal for speed sensing

Suitable for pump engine control

With lamp test function for all front panel LEDs and annunciator lamps

Provide IDLE control for Elec. governors

Five adjustable time delay potentiometers

Six DIP switches for setting different engine parameters

1PCS For Generator Control Unit 50/60 Hz Automatic Engine Controller GCU-20 NEW

Specification：

GCU-20 Automatic Engine & Generator Control Unit has many useful functions

It's suitable for pump engine control. GCU-20 also provide IDLE control for electronic governors.

Microprocessor based design

Universal LED graphic interface, displays generator status and failures

Modular design, quick installation

With annunciator alarm output

Selectable MPU signal for speed sensing

Suitable for pump engine control

With lamp test function for all front panel LEDs and annunciator lamps

Provide IDLE control for Elec. governors

Five adjustable time delay potentiometers

Six DIP switches for setting different engine parameters

ix DIP switches for setting different engine parameters

DC Supply Voltage 9 to 36VDC

Alternator Input Range Voltage 5~300 VAC

Frequency 50/60 Hz

MPUSignal Input Range ±2V to 70V Peak

Rated MPU Frequency 100Hz ~ 10,000Hz

Fuel Solenoid Signal Output 10 Amp @ 12/24VDC

Start Signal Output 10 Amp @ 12/24VDC

Annunciator Output 300mA @ 12/24VDC

Power Consumption Under 3 watts

Protection & Alarm Status Indicators

Start Failure

High Water Temp.

Low Oil Pressure

No Speed Prog. Input

Adjustable Timers

Engine Pre-Heat : 2~30 Seconds

Starter Cranking Time : 1~15 Seconds

Energize to STOP : 1~15 Seconds

Engine Idle (Governor) : 0~300 Seconds

ngine Cool-Down : 0~300 Seconds

Environment Operation Temperature -20~70°C

Storage Temperature-35~85°C

Relative Humidity Max. 90%

Dimensions 88.0 x 88.0 x 37.5 mm

Weight 206 g ±2%

Package Including：

1 piece Automatic Controller GCU20 GCU-20

Item SpecificsCountry of Origin United StatesBrand GenricsMPN ICC4522347Type Automatic ControllerWarranty 1 YearManufacturer Part Number GCU-20Alternator Input Range Voltage 5~300 VACMPUSignal Input Range ±2V to 70V PeakRated MPU Frequency 100Hz ~ 10,000HzEngine Pre-Heat 2~30 SecondsEngine Idle (Governor) 0~300 Seconds
Payment

Shipping

The item will be shipped within 3 day on payment received except the holidays.(except weekends & official holidays). You can log on to to check your logistics tracking number.

Please confirm address before purchase, and cannot change address once purchased.

If you need to receive the item quickly, please contact us, you can pay the postage to choose other logistics.

Returns

Please contact us first when return, exchange and refund is required. Any direct return of purchased items will not be processed.

Item must be returned in new condition, as received with all accompanied accessories and literature, including the factory carton. Shipping, handling is not refundable unless item is returned because of defect.

If the product is defective or damage upon arrival,please contact us immediately,we will provide the solve the problem. Returns accepted within 30 days of delivery date and item must be in original new condition.

Contact Us

Our goal is complete customer satisfaction. We will be very honored to provide you with quality service.

If there is an issue with shipping or the item you purchased please contact us via message or call us before opening a case or leaving response.We will try our best to resolve any kind of issue.

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Specification：

GCU-20 Automatic Engine & Generator Control Unit has many useful functions

It's suitable for pump engine control. GCU-20 also provide IDLE control for electronic governors.

Microprocessor based design

Universal LED graphic interface, displays generator status and failures

Modular design, quick installation

With annunciator alarm output

Selectable MPU signal for speed sensing

Suitable for pump engine control

With lamp test function for all front panel LEDs and annunciator lamps

Provide IDLE control for Elec. governors

Five adjustable time delay potentiometers

Six DIP switches for setting different engine parameters

ix DIP switches for setting different engine parameters

DC Supply Voltage 9 to 36VDC

Alternator Input Range Voltage 5~300 VAC

Frequency 50/60 Hz

MPUSignal Input Range ±2V to 70V Peak

Rated MPU Frequency 100Hz ~ 10,000Hz

Fuel Solenoid Signal Output 10 Amp @ 12/24VDC

Start Signal Output 10 Amp @ 12/24VDC

Annunciator Output 300mA @ 12/24VDC

Power Consumption Under 3 watts

Protection & Alarm Status Indicators

Start Failure

High Water Temp.

Low Oil Pressure

No Speed Prog. Input

Adjustable Timers

Engine Pre-Heat : 2~30 Seconds

Starter Cranking Time : 1~15 Seconds

Energize to STOP : 1~15 Seconds

Engine Idle (Governor) : 0~300 Seconds

ngine Cool-Down : 0~300 Seconds

Environment Operation Temperature -20~70°C

Storage Temperature-35~85°C

Relative Humidity Max. 90%

Dimensions 88.0 x 88.0 x 37.5 mm

Weight 206 g ±2%

Package Including：

1 piece Automatic Controller GCU20 GCU-20

PaymentShippingReturnsContact UsAbout Us

The item will be shipped within 3 day on payment received except the holidays.(except weekends & official holidays). You can log on to to check your logistics tracking number.

Please confirm address before purchase, and cannot change address once purchased.

If you need to receive the item quickly, please contact us, you can pay the postage to choose other logistics.

Please contact us first when return, exchange and refund is required. Any direct return of purchased items will not be processed.

Item must be returned in new condition, as received with all accompanied accessories and literature, including the factory carton. Shipping, handling is not refundable unless item is returned because of defect.

If the product is defective or damage upon arrival,please contact us immediately,we will provide the solve the problem. Returns accepted within 30 days of delivery date and item must be in original new condition.

Our goal is complete customer satisfaction. We will be very honored to provide you with quality service.

If there is an issue with shipping or the item you purchased please contact us via message or call us before opening a case or leaving response.We will try our best to resolve any kind of issue.

All rights reserved.

On Oct 28, 2026 at 21:31:03 PDT, seller added the following information: