TA25DU-1.8M

Name: TA25DU-1.8M
Brand: ABB
SKU: TA25DU-1.8M

The ABB TA25DU-1.8M thermal overload relay is an economic electromechanical protection device designed for the main circuit, providing reliable and fast protection within the 1.3-1.8A current range[3][4][5].

Product ModelTA25DU-1.8M

Material Number1SAZ211201R2025

Product ID76409

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe TA25DU-1.8M offers dependable thermal overload protection, ensuring the safe operation of your electrical system by detecting and responding to excessive heat.
2
2. Fast Response TimeThis relay provides quick and efficient protection, minimizing downtime and ensuring continuous operation of your equipment.
3
3. Economic SolutionDesigned as an economic electromechanical protection device, the TA25DU-1.8M offers a cost-effective solution without compromising on performance.
4
4. Wide Current RangeThe relay is suitable for a wide current range of 1.3-1.8A, making it versatile and adaptable to various applications.
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

44 mm

Product Net Height

80 mm

Product Net Depth / Length

94 mm

Product Net Weight

0.15 kg

Rated Operational Voltage

Main Circuit 690 V AC Main Circuit 440 V DC

Rated Operational Current (Ie)

1.8 A

5. Easy InstallationWith its straightforward installation process, the TA25DU-1.8M simplifies the integration of thermal overload protection into your electrical system.

Rated Frequency (f)

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

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 IP10

Pollution Degree

Connecting Capacity Auxiliary Circuit

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

Connecting Capacity Main Circuit

Flexible with Ferrule 1x 0.75 ... 4 mmÂ² Flexible with Ferrule 2x 0.75 ... 4 mmÂ² Flexible 1x 0.75 ... 4 mmÂ² Flexible 2x 0.75 ... 4 mmÂ² Rigid 1x 0.75 ... 4 mmÂ² Rigid 2x 0.75 ... 4 mmÂ²

Recommended Screw Driver

Auxiliary Circuit Pozidriv 1 Main Circuit Pozidriv 2

Power Loss

at Rated Operating Conditions per Pole 1.1 ... 2.2 W

Suitable For

AX09 AX12 AX18 AX25 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 16-8 AWG Stranded 1/2x 16-8 AWG

Connecting Capacity Auxiliary Circuit UL/CSA

Flexible 1/2x 18-14 AWG Stranded 1/2x 18-14 AWG

Tightening Torque UL/CSA

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

Ambient Air Temperature

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

Maximum Operating Altitude Permissible

2000 m

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

25g 2 shocks 13 ms

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)

3707396

Manufacturer ID

1SAZ211201R2025