TA42DU-42M

Name: TA42DU-42M
Brand: ABB
SKU: TA42DU-42M

The ABB TA42DU-42M thermal overload relay is an economic electromechanical protection device designed for the main circuit. It provides reliable and fast protection, ideal for starter construction with A Line contactors and separate panel mounting.

Product ModelTA42DU-42M

Material Number1SAZ311201R2003

Product ID76265

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
1. Reliable ProtectionThe TA42DU-42M offers robust and reliable protection against overloads, ensuring the safety and efficiency of your electrical system.
2
2. Fast Response TimeThis thermal overload relay provides a fast response time, quickly detecting and responding to potential overloads to prevent damage.
3
3. Economic SolutionDesigned as an economic electromechanical protection device, the TA42DU-42M is an affordable solution for main circuit protection without compromising on quality.
4
4. Versatile ApplicationSuitable for starter construction with A Line contactors and separate panel mounting, this relay can be easily integrated into various electrical setups.
5

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Product Net Width

54 mm

Product Net Height

90 mm

Product Net Depth / Length

111 mm

Product Net Weight

0.335 kg

Rated Operational Voltage

Main Circuit 690 V AC Main Circuit 440 V DC

Rated Operational Current (Ie)

42 A

5. High AccuracyWith a trip class of 10A, the TA42DU-42M ensures high accuracy in detecting overloads, providing precise protection for your electrical equipment.

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 5 A Auxiliary Circuit NO 5 A

Rated Operational Current AC-15 (Ie)

(120 V) NC 3 A (120 V) NO 1.5 A (240 V) NC 3 A (240 V) NO 1.2 A (400 V) NC 0.75 A (400 V) NO 0.37 A (440 V) NC 0.75 A (440 V) NO 0.37 A (500 V) NC 0.3 A (500 V) NO 0.25 A

Degree of Protection

Housing IP20 Main Circuit Terminals IP20

Connecting Capacity Auxiliary Circuit

Flexible 1/2x 0.75 ... 2.5 mmÂ² Rigid 1/2x 0.75 ... 4 mmÂ²

Wire Stripping Length

Auxiliary Circuit 9 mm Main Circuit 14 mm

Recommended Screw Driver

Auxiliary Circuit Pozidriv 1 Main Circuit Pozidriv 2

Power Loss

at Rated Operating Conditions per Pole 1.5 ... 3.2 W

Suitable For

AX32 AX40

Standards

CSA 22.2 No. 14 IEC/EN 60947-1 IEC/EN 60947-4-1 IEC/EN 60947-5-1 UL 508

Maximum Operating Voltage UL/CSA

Main Circuit 600 V AC

Contact Rating UL/CSA

(NC:) B600 (NO:) C600

Connecting Capacity Main Circuit UL/CSA

Flexible 1/2x 8-1 AWG Stranded 1/2x 8-1 AWG

Tightening Torque UL/CSA

Auxiliary Circuit 12 inÂ·lb Main Circuit 40 inÂ·lb

Ambient Air Temperature

Operation -25 ... +55 Â°C Operation Compensated -25 ... +55 Â°C Storage -40 ... +70 Â°C

RoHS Status

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

Toxic Substances Control Act - TSCA

2CMT2023-006525

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

E-Number (Finland)

3707419

Manufacturer ID

1SAZ311201R2003