TF42-0.41

Name: TF42-0.41
Brand: ABB
SKU: TF42-0.41

The ABB TF42-0.41 thermal overload relay provides reliable motor protection with trip class 10, temperature compensation, and automatic/manual reset options. Ideal for fast and efficient protection against overloads and phase failures.

Product ModelTF42-0.41

Material Number1SAZ721201R1014

Product ID86896

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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Feature1. Reliable Motor Protection The ABB TF42-0.41 thermal overload relay ensures reliable protection for your motors, safeguarding against overloads and phase failures with its robust design and trip class 10 functionality.
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Feature2. Fast Response Time Equipped with a fast response mechanism, the TF42-0.41 quickly detects and responds to overloads and phase failures, minimizing downtime and ensuring continuous operation.
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Feature3. Temperature Compensation The device features temperature compensation, which adjusts the trip point based on ambient temperature, ensuring consistent performance across various operating conditions.
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Feature4. Automatic/Manual Reset Options The TF42-0.41 offers both automatic and manual reset options, providing flexibility in operation and maintenance. This feature ensures that the relay can be easily reset after an overload or phase failure, reducing downtime.

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

0.13 kg

Setting Range

0.31 ... 0.41 A

Rated Operational Voltage

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

Feature5. Trip-Free Mechanism The trip-free mechanism prevents accidental tripping, ensuring that the relay only trips when an overload or phase failure occurs. This feature enhances the reliability and safety of the motor protection system.

Feature6. Trip Indication and STOP Function The TF42-0.41 includes a trip indication and STOP function, providing clear signals for maintenance and troubleshooting. The STOP function allows for manual intervention during an overload or phase failure, giving operators control over the situation.

Feature7. Compatibility with Block Contactors The TF42-0.41 is designed to be connected directly to block contactors, making it easy to integrate into existing motor control systems. This compatibility ensures seamless operation and reduces installation time.

8. Voltage Rating600 V AC / DC (Auxiliary Circuit), 690 V AC (Main Circuit)

Feature9. Compact Design The TF42-0.41 features a compact design, measuring 3.62 inches in width, 3.07 inches in height, and 1.89 inches in depth. This compact size makes it easy to install in tight spaces, reducing the overall footprint of the motor control system.

10. Weight0.34 LBS

Rated Operational Current (Ie)

0.41 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

Rated Operational Current AC-15 (Ie)

(120 V) NC 3 A (120 V) NO 0.5 A (240 V) NC 3 A (240 V) NO 0.5 A (400 V) NC 0.75 A (400 V) NO 0.5 A (500 V) NC 0.75 A (500 V) NO 0.5 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 0.75 ... 4 mmÂ² Flexible with Insulated Ferrule 1/2x 0.75 ... 4 mmÂ² Flexible 1/2x 0.75 ... 4 mmÂ² Rigid 1/2x 0.75 ... 4 mmÂ²

Tightening Torque

Auxiliary Circuit 1 ... 1.2 NÂ·m Main Circuit 1.5 ... 2.5 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 1.1 ... 2.0 W

Suitable For

AF09 AF12 AF16 AF26 AF30 AF38

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 18-10 AWG Stranded 1/2x 18-10 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 13 ... 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

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 4