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ABB TF42 Thermal Overload Relay 1 NO/1 NC, Adjustable Current Range 0.55 to 0.74 A, 2 W Power, 3P Pole Configuration TF42

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ABB TF42 Thermal Overload Relay 1 NO/1 NC, Adjustable Current Range 0.55 to 0.74 A, 2 W Power, 3P Pole Configuration TF42

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Category Thermal 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	2W
Maximum Operating Temperature	60°C
Minimum Operating Temperature	-25°C
Terminal type	Screw
Standards/Approvals	RoHS, cUL, ABS, UL, UL 60947, IEC/EN 60947-1, ATEX, BV, CQC, CB
Contact Voltage	690V ac/dc
Reset Method	Automatic & Manual
Normal State Configuration	1 NO/1 NC
Relay Contact Current	740mA
Number of Auxiliary Contacts	2
Pole and Throw Configuration	3P
FLC Motor Rating	0.55, 0.74A
Adjustable Current Range	0.55 → 0.74 A

Key Features

Adjustable current range from 0.55 to 0.74 amperes for flexible motor load protection.
Compact 3-pole design suitable for 3-phase systems.
Power rating of 2 watts ensures efficient operation with low energy consumption.
Features both automatic and manual reset methods for operational convenience.
Screw terminal type allows for easy and secure installation.
Operates reliably in temperature ranges from -25°C to +60°C to meet industrial requirements.
IP20 rated enclosure protects against tools and objects larger than 12 mm.
Phase-loss sensitivity function trips the relay in case of phase failure to protect machinery.

Product Description

ABB TF42 Thermal Overload Relay, model TF42, is engineered for the protection of motors in industrial, manufacturing, automotive, HVAC, and water treatment applications. With an adjustable current range of 0.55 to 0.74 amperes, it accommodates diverse motor ratings offering flexible and precise overload protection.

This device features a 3-pole configuration facilitating use with three-phase power systems. The relay includes one normally open (1 NO) and one normally closed (1 NC) auxiliary contact, suited for auxiliary control circuits and signaling.

Rated power consumption is low at 2 watts, contributing to energy efficiency. Installation is simplified with screw terminals and a compact form factor of 88.3 mm length, 45 mm width, and 70.5 mm depth, allowing integration into confined control panels.

The relay operates reliably across an industrial temperature range from -25°C to +60°C, suitable for harsh operating environments. An IP20 ingress protection rating guards against tools and foreign objects larger than 12 mm, safeguarding internal components.

Equipped with phase-loss sensitivity, the relay trips automatically to prevent motor damage in the event of phase failure, enhancing operational safety. The reset can be performed manually or automatically, providing flexibility in maintenance and operation.

Adjustable current range from 0.55 to 0.74 amperes. 3-pole direct mount type configuration. Operating temperature range from -25°C to +60°C. IP20 rated enclosure for protection against foreign objects. Lightweight at approximately 130 grams for easy handling.

Supports screw terminal connections for secure wiring. Dimensions: 88.3 mm (L) x 45 mm (W) x 70.5 mm (D). 1 NO/1 NC auxiliary contact arrangement. Automatic and manual reset methods. Contact voltage rating of 690 V AC/DC.

This relay is ideal for applications in automotive manufacturing, HVAC systems, water treatment plants, and other industrial setups where reliable motor protection is critical. Explore the extensive range of ABB contactors and control gear available at EnvMart for comprehensive industrial automation solutions.