ABB GJL121 Contactor, 42V Coil, 3-Pole, 20 A, 4 kW 42V, 3 NO/1 NC, 690V

RS stock no.:: 253-4742
Mfr. Part No.:: GJL1211901R0012
Manufacturer:: ABB

ABB GJL121 Contactor, 42V Coil, 3-Pole, 20 A, 4 kW 42V, 3 NO/1 NC, 690V

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Subtotal (1 pack of 5 units)*

R 8 478,87

(exc. VAT)

R 9 750,70

(inc. VAT)

FREE delivery for orders over R 1,500.00

Stocked by manufacturer

Ready to ship from 23 November 2026

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Units	Per unit	Per Pack*
5 +	R 1,695.774	R 8,478.87

*price indicative

RS stock no.:: 253-4742
Mfr. Part No.:: GJL1211901R0012
Manufacturer:: ABB

Specification

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	ABB
	Product Type	Contactor
	Coil Voltage	42V
	Number of Poles	3
	Contact Voltage	690V
	Contact Current	20A
	Power Rating	4kW
	Series	GJL121
	Function	Control Unit
	Mount Type	DIN Rail
	Normal State Configuration	3 NO/1 NC
	Number of Auxiliary Contacts	1
	Auxiliary Contact Configuration	1 NC
	Terminal Type	Screw
	Minimum Operating Temperature	-20°C
	Control Circuit Voltage Uc	42V
	Operational Current Ie	20A
	Contactor Application	Control Unit
	Maximum Operating Temperature	55°C
	Length	46.7mm
	Width	96.2mm
	Standards/Approvals	IEC/EN 60947-4-1, IEC/EN 60947-1, IEC/EN 60947-5-1, UL 60947-1, UL 60947-4-1
	Depth	46.7mm
	Pole and Throw Configuration	3P

	Select all
	Brand ABB
	Product Type Contactor
	Coil Voltage 42V
	Number of Poles 3
	Contact Voltage 690V
	Contact Current 20A
	Power Rating 4kW
	Series GJL121
	Function Control Unit
	Mount Type DIN Rail
	Normal State Configuration 3 NO/1 NC
	Number of Auxiliary Contacts 1
	Auxiliary Contact Configuration 1 NC
	Terminal Type Screw
	Minimum Operating Temperature -20°C
	Control Circuit Voltage Uc 42V
	Operational Current Ie 20A
	Contactor Application Control Unit
	Maximum Operating Temperature 55°C
	Length 46.7mm
	Width 96.2mm
	Standards/Approvals IEC/EN 60947-4-1, IEC/EN 60947-1, IEC/EN 60947-5-1, UL 60947-1, UL 60947-4-1
	Depth 46.7mm
	Pole and Throw Configuration 3P

COO (Country of Origin):: DE

ABB GJL121 Series Contactor, 20A Current Rating , 42V Coil Voltage - GJL1211901R0012

This contactor is designed for efficient control in electrical applications, featuring a Compact DIN rail mount design. With a Coil voltage of 42 V AC and a robust contact current rating of 20 A, it operates effectively across diverse environments. The dimensions are 46.7mm in length, 96.2mm in width, and 46.7mm in depth, allowing for ease of installation in tight spaces and ensuring reliable functionality within the specified temperature range of -20°C to +55°C.

Features & Benefits

• Supports a Coil voltage of 42 V AC for versatile operation
• Boasts a contact current rating of 20 A for reliable performance
• Configured as a 3 pole unit for efficient circuit control
• Incorporates one NC auxiliary contact for additional functionality
• Designed for easy installation with screw Terminal connections
• Rated for up to 690 V, catering to high voltage needs

Applications

• Ideal for control units in industrial automation systems
• Commonly used in motor control and safety circuits
• Applicable in HVAC systems for effective system management
• Utilised in lighting control for commercial buildings
• Suitable for use in power distribution panels

What is the significance of having a 3-pole configuration?

A 3-pole configuration allows for the control of three-phase systems, facilitating the management of motors and large electrical loads efficiently.

Can it function effectively in high-temperature environments?

Yes, it is designed to operate within a maximum temperature of +55°C, making it suitable for environments with elevated temperature conditions.

How does the auxiliary contact enhance the functionality of this product?

The auxiliary contact enables additional control capabilities, allowing the user to interlock circuits or trigger alarms, thereby enhancing operational safety.

What installation methods are compatible with this product?

The contactor is compatible with DIN rail mounting, ensuring secure installation in various electrical panels while simplifying the wiring process.

What advantages does the screw Terminal connection provide?

Screw Terminal connections ensure a secure and Durable electrical connection, minimising the risk of disconnection and enhancing overall reliability in critical applications.