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ABB Thermal Overload Relay 20A, 24A F.L.C, 24A Contact Rating, 2.6 W, 3 Pole, 1 NO/1 NC TF42

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Category Overload Relay Brand ABB Condition New

Specifications

Country of Origin	India
Brand	ABB
Length	88.3mm
Model	TF42
Depth	70.5mm
IP Rating	IP20
Width	45mm
Mount Type	Direct
Series	TF42
Power Rating	2.6W
Maximum Operating Temperature	60°C
Minimum Operating Temperature	-25°C
Terminal type	Screw
Supply Voltage	600V
Contact Voltage	690V ac/dc
Reset Method	Automatic & Manual
Normal State Configuration	1 NO/1 NC
Relay Contact Current	24A
Number of Auxiliary Contacts	2
Pole and Throw Configuration	3
FLC Motor Rating	20, 24A
Adjustable Current Range	20 → 24 A

Key Features

Suitable for protecting motors in single-phase and three-phase applications.
Features 1 NO and 1 NC auxiliary contacts for reliable circuit control.
Automatic and manual reset options ensure flexible operation.
Operating temperature range from -25°C to +60°C for varied environments.
Mounts directly onto contactors for easy installation.
Supports up to 690V AC/DC contact voltage for versatile industrial use.
IP20 rated for protection against solid objects and limited ingress.

Product Description

ABB TF42 thermal overload relay (Model: TF42) provides reliable motor overload protection with a current rating adjustable from 20 to 24 amps and a power rating of 2.6 watts. This relay is designed for both single-phase and three-phase motor applications in automation, electrical, and mechanical systems.

It incorporates 1 normally open (NO) and 1 normally closed (NC) auxiliary contacts to ensure secure switching operations. The relay supports both automatic and manual reset methods, offering operational flexibility to maintenance personnel.

The device mounts directly onto block contactors, facilitating seamless integration into electrical installations. Its compact dimensions (88.3mm length, 45mm width, and 70.5mm depth) and robust design accommodate diverse industrial environments.

Its operational temperature range spans from -25°C to +60°C, allowing it to perform reliably in harsh conditions. Rated IP20, the relay is protected against access to hazardous parts and ingress of solid foreign objects.

Contact voltage rating up to 690V AC/DC and compliance with multiple international standards ensure it meets global industrial safety and quality requirements. Suitable for single-phase and three-phase motor overload protection.

1 NO/1 NC auxiliary contacts enhance circuit control. Automatic and manual reset methods available. Direct mounting on contactors for easy installation. Operating temperature from -25°C to +60°C. Compact dimensions for versatile applications.

Contact voltage rating of 690V AC/DC. IP20 protection rating.

This ABB TF42 thermal Overload Relay finds applications in industrial motor protection, automation systems, HVAC equipment, manufacturing plants, and other electrical control scenarios.

Explore more ABB relays and contactors for your automation and control needs at EnvMart.