TF42-24B

Name: TF42-24B
Brand: ABB
SKU: TF42-24B

ABB TF42-24B thermal overload relay provides reliable protection for industrial equipment. Features precise current monitoring and fast tripping times, ensuring safe and efficient power management.

Product ModelTF42-24B

Material Number1SAZ741201R1051

Product ID83787

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable Protection\"The ABB TF42-24B thermal overload relay offers reliable protection for your industrial equipment, ensuring that your operations run smoothly and safely.\"
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2. Precise Current Monitoring\"With precise current monitoring, the TF42-24B helps you maintain optimal power levels, preventing overloads and reducing the risk of equipment damage.\"
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3. Fast Tripping Times\"The device features fast tripping times, quickly responding to overcurrent conditions to protect your equipment from potential damage.\"
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4. Industrial-Grade Design\"Designed for industrial applications, the TF42-24B is built to withstand harsh environments and provide consistent performance over its 20-year lifespan.\"

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Product Net Width

45 mm

Product Net Height

88.3 mm

Product Net Depth / Length

70.5 mm

Product Net Weight

0.145 kg

Setting Range

20 ... 24 A

Rated Operational Voltage

Auxiliary Circuit 600 V AC/DC Main Circuit 690 V AC

5. Easy Installation\"The ABB TF42-24B is designed for easy installation, minimizing downtime and ensuring that your equipment is back online quickly, efficiently, and safely.\"

Rated Operational Current (Ie)

24 A

Rated Frequency (f)

Auxiliary Circuit 50 Hz Auxiliary Circuit 60 Hz Auxiliary Circuit DC Main Circuit 50 Hz Main Circuit 60 Hz

Rated Impulse Withstand Voltage (Uimp)

Auxiliary Circuit 6 kV Main Circuit 6 kV

Rated Insulation Voltage (Ui)

690 V

Number of Poles

Number of Auxiliary Contacts NC

Number of Auxiliary Contacts NO

Number of Protected Poles

Conventional Free-air Thermal Current (Ith)

Auxiliary Circuit NC 6 A Auxiliary Circuit NO 4 A Main Circuit 0 A

Rated Operational Current AC-15 (Ie)

(120 V) NC 3 A (120 V) NO 0.75 A (240 V) NC 3 A (240 V) NO 0.75 A (400 V) NC 0.75 A (400 V) NO 0.75 A (500 V) NC 0.75 A (500 V) NO 0.75 A

Rated Operational Current DC-13 (Ie)

(125 V) NC 0.55 A (125 V) NO 0.55 A (24 V) NC 1.25 A (24 V) NO 1.25 A (250 V) NC 0.27 A (250 V) NO 0.27 A (500 V) NC 0.15 A (500 V) NO 0.15 A (60 V) NC 0.55 A (60 V) NO 0.55 A

Degree of Protection

IP20

Pollution Degree

Connecting Capacity Auxiliary Circuit

Flexible with Ferrule 1/2x 0.75 ... 2.5 mmÂ² Flexible with Insulated Ferrule 1x 0.75 ... 2.5 mmÂ² Flexible with Insulated Ferrule 2x 0.75 ... 1.5 mmÂ² Flexible 1/2x 0.75 ... 1 mmÂ² Flexible 1/2x 1 ... 2.5 mmÂ² Rigid 1/2x 0.75 ... 4 mmÂ²

Connecting Capacity Main Circuit

Flexible with Ferrule 1/2x 2.5 ... 10 mmÂ² Flexible with Ferrule 1/2x 1.5 ... 2.5 mmÂ² Flexible with Insulated Ferrule 1/2x 1.5 ... 6 mmÂ² Flexible 1/2x 2.5 ... 4 mmÂ² Flexible 1/2x 4 ... 6 mmÂ² Rigid 1/2x 1.5 ... 2.5 mmÂ² Rigid 1/2x 2.5 ... 10 mmÂ²

Tightening Torque

Auxiliary Circuit 1 ... 1.2 NÂ·m Main Circuit 2.5 ... 2.7 NÂ·m

Wire Stripping Length

Auxiliary Circuit 9 mm Main Circuit 12 mm

Recommended Screw Driver

Main Circuit Pozidriv 2

Power Loss

at Rated Operating Conditions per Pole 1.8 ... 2.6 W

Suitable For

AF09ZB AF09B AF12ZB AF12B AF16ZB AF16B AF26ZB AF26B AF30ZB AF30B AF38ZB AF38B

Standards

IEC/EN 60947-1 IEC/EN 60947-4-1 IEC/EN 60947-5-1 UL 60947-1 UL 60947-4-1 IEC 60335-2-40 A2L

Maximum Operating Voltage UL/CSA

Main Circuit 600 V AC

Contact Rating UL/CSA

(NC:) B600 (NC:) Q600 (NO:) Q600 (NO:) D300

Connecting Capacity Main Circuit UL/CSA

Flexible 1/2x 14-6 AWG Stranded 1/2x 14-6 AWG

Connecting Capacity Auxiliary Circuit UL/CSA

Flexible 1/2x 18-12 AWG Stranded 1/2x 18-12 AWG

Tightening Torque UL/CSA

Auxiliary Circuit 9 ... 11 inÂ·lb Main Circuit 22 inÂ·lb

Ambient Air Temperature

Operation -25 ... +60 Â°C Operation Compensated -25 ... +60 Â°C Storage -50 ... +80 Â°C

Ambient Air Temperature Compensation

Yes

Maximum Operating Altitude Permissible

2000 m

Shock and Vibration Withstand acc. to IEC 61373

Category 1, Class B

Resistance to Shock acc. to IEC 60068-2-27

11 ms Pulse 25g

Resistance to Vibrations

5g 3 ... 150 Hz

RoHS Status

Following EU Directive 2011/65/EU and Amendment 2015/863 July 22, 2019

Toxic Substances Control Act - TSCA

2CMT2023-006525

Object Classification Code

ETIM 5

EC000106 - Thermal overload relay

ETIM 6

EC000106 - Thermal overload relay

ETIM 7

EC000106 - Thermal overload relay

ETIM 8

EC000106 - Thermal overload relay

eClass

V11.0 : 27371501

UNSPSC

39121520

IDEA Granular Category Code (IGCC)

5364 >> Overload relay

Manufacturer ID

1SAZ741201R1051