ABB GJL121 Contactor, 110V ac, 127 V ac Coil, 3-Pole, 20 A, 4 kW 110V ac, 127 V ac, 4 NO, 690V

RS Stock No.:: 253-4750
Mfr. Part No.:: GJL1211911R8104
Manufacturer:: ABB

ABB GJL121 Contactor, 110V ac, 127 V ac Coil, 3-Pole, 20 A, 4 kW 110V ac, 127 V ac, 4 NO, 690V

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Subtotal (1 pack of 5 units)*

SGD647.44

(exc. GST)

SGD705.71

(inc. GST)

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Ready to ship from 27 May 2026

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Units	Per unit	Per Pack*
5 +	SGD129.488	SGD647.44

*price indicative

RS Stock No.:: 253-4750
Mfr. Part No.:: GJL1211911R8104
Manufacturer:: ABB

Specifications

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	ABB
	Coil Voltage	110, 127V ac
	Product Type	Contactor
	Number of Poles	3
	Contact Voltage	690V
	Contact Current	20A
	Power Rating	4kW
	Series	GJL121
	Mount Type	DIN Rail, Wall
	Function	Control Unit
	Normal State Configuration	4 NO
	Number of Auxiliary Contacts	1
	Auxiliary Contact Configuration	1 NO
	Terminal Type	Screw
	Operational Current Ie	20A
	Contactor Application	Control Unit
	Control Circuit Voltage Uc	110, 127V ac
	Minimum Operating Temperature	-20°C
	Maximum Operating Temperature	55°C
	Width	96.2mm
	Standards/Approvals	IEC/EN 60947-1, IEC/EN 60947-4-1, IEC/EN 60947-5-1, UL 60947-1, UL 60947-4-1
	Depth	46.7mm
	Length	46.7mm
	Pole and Throw Configuration	3P

	Select all
	Brand ABB
	Coil Voltage 110, 127V ac
	Product Type Contactor
	Number of Poles 3
	Contact Voltage 690V
	Contact Current 20A
	Power Rating 4kW
	Series GJL121
	Mount Type DIN Rail, Wall
	Function Control Unit
	Normal State Configuration 4 NO
	Number of Auxiliary Contacts 1
	Auxiliary Contact Configuration 1 NO
	Terminal Type Screw
	Operational Current Ie 20A
	Contactor Application Control Unit
	Control Circuit Voltage Uc 110, 127V ac
	Minimum Operating Temperature -20°C
	Maximum Operating Temperature 55°C
	Width 96.2mm
	Standards/Approvals IEC/EN 60947-1, IEC/EN 60947-4-1, IEC/EN 60947-5-1, UL 60947-1, UL 60947-4-1
	Depth 46.7mm
	Length 46.7mm
	Pole and Throw Configuration 3P

Datasheet - GJL1211911R8104

ABB GJL121 Series Contactor, 110-127V Coil Voltage, 20A Current Rating - GJL1211911R8104

This contactor is designed for use in control applications, delivering reliable performance for various electrical systems. With three poles and an auxiliary contact, it is capable of handling a contact current rating of 20 A. It is capable of operating in temperatures from -20°C to +55°C. It is constructed with a Coil voltage of 110 to 127 V AC, this Compact unit measures 46.7mm in length, width, and depth, making it Ideal for DIN rail mounting in confined spaces.

Features & Benefits

• Offers a contact current rating of 20 A for increased reliability
• Utilises a Coil voltage of 110 to 127 V AC for optimal operation
• Designed with three poles for effective control in circuits
• Equipped with an auxiliary contact for expanded functionality
• Features a screw Terminal for secure and easy connections

Applications

• Employed in industrial automation control panels
• Utilised for motor control in various machinery
• Suitable for switching within electrical installations
• Integrated into HVAC systems for efficient operation
• Used for controlling lighting systems in commercial settings

What is the purpose of the auxiliary contact in this unit?

The auxiliary contact allows for additional control options, enabling users to manage secondary functions or feedback signals within their electrical systems.

How does the temperature range affect operational suitability?

The specified operating temperature range of -20 to +55 degrees Celsius ensures functionality in diverse environments, making it suitable for both indoor and outdoor applications.

What types of systems can benefit from using a 3-pole contactor?

Three-pole contactors are Ideal for controlling three-phase motors, providing robust switching capabilities necessary for various industrial and commercial applications.