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

Product Description：

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

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

Product Description：

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

Notes：
Due to manual measurement,please allow a little error and make sure you do not mind before ordering.
Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.

Item SpecificsCountry of Origin United StatesBrand machine-toolsMPN MT7121397Type 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 will be arranged within 3 business day once payment is cleared.

Shipping

1.Usually your Items will be shipped within 1-3 business day after your payment is cleared.
International orders may take 10 to 30 business days to arrive.
2.We have CA, NJ warehouses and ship items may vary according to the stock.
3.No shipping on Weekends or US Public Holidays.

Returns

We now offer for US buyers 30 days money back guarantee . If US buyers does not like the item or feels not satisfied with the product, we will cover the return shipping fee & US buyer can return the item and get refund for item price only.

Contact Us

We offer high quality products, competitive prices and prompt delivery .Please add us to your list of favorite sellers. Our company has experience in serving the global aftermarket. Thank you for your business. Best wishes!

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Product Description：

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

Notes：
Due to manual measurement,please allow a little error and make sure you do not mind before ordering.
Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.

Item SpecificsCountry of Origin :United StatesBrand :machine-toolsMPN :MT7121397Type :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

PaymentShippingReturnsContact Us

Shipping will be arranged within 3 business day once payment is cleared.

1.Usually your Items will be shipped within 1-3 business day after your payment is cleared.
International orders may take 10 to 30 business days to arrive.
2.We have CA, NJ warehouses and ship items may vary according to the stock.
3.No shipping on Weekends or US Public Holidays.

We now offer for US buyers 30 days money back guarantee . If US buyers does not like the item or feels not satisfied with the product, we will cover the return shipping fee & US buyer can return the item and get refund for item price only.

We offer high quality products, competitive prices and prompt delivery .Please add us to your list of favorite sellers. Our company has experience in serving the global aftermarket. Thank you for your business. Best wishes!

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On Oct 28, 2026 at 21:08:07 PDT, seller added the following information: