Brand: ABB

ABB TA25DU1.4 Thermal Overload Relay

Name: ABB TA25DU1.4 Thermal Overload Relay | Seven Star LLC
Brand: ABB
SKU: TA25DU1.4

Description

Motor overload protection with an adjustable current setting

The ABB TA25DU1.4 is a thermal overload relay with a published adjustment range of 1.0–1.4 A. ABB identifies this execution by order code 1SAZ211201R1023. The current range and full order code distinguish it from other TA25DU relays that share a similar housing.

Select the relay setting from the motor nameplate and the applicable installation instructions. A motor-power figure alone does not establish the correct overload range: supply voltage, motor current and starter arrangement also matter.

Technical specifications

Parameter	Specification
Manufacturer	ABB
Model	TA25DU1.4
Order code	1SAZ211201R1023
Product type	Thermal overload relay
Current adjustment range	1.0–1.4 A

Match the installed starter

For a replacement, record the contactor reference, relay mounting arrangement, existing setting and auxiliary-circuit wiring. Check the complete starter assembly rather than substituting a different overload family because its adjustment range appears similar.

An overload relay forms part of the motor-protection arrangement. Specify the associated contactor and short-circuit protective equipment separately according to the installation design.

Manufacturer documents and enquiries

The ABB motor-control catalogue includes the TA25DU1.4 ordering entry and its adjustment range. Send Seven Star LLC the model, order code, quantity, motor nameplate current and contactor reference with the enquiry.

Browse Contactors & Overload Relays for related starter components.

Datasheets & Documents

Catalog ABB Motor Control Catalogue — May 2010 Download

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About brand

ABB, formed in 1988 and headquartered in Zurich, covers an unusually long stretch of a plant's equipment list, from the flowmeter and analyzer in the field to the drive, breaker and protection relay in the electrical room. Seven Star LLC is an independent supplier serving Oman and the GCC. Our ABB listing concentrates on measurement and analytics: ABB flowmeters, liquid analysis sensors and systems, level and pressure instruments. It also includes valve actuators, low voltage circuit breakers, ABB drives, soft starters and protection relays.

ABB product families on this page

Flow measurement includes ABB electromagnetic, Coriolis, vortex and swirl meters, sold under names such as ProcessMaster, AquaMaster, CoriolisMaster and SwirlMaster. Liquid analysis covers pH, conductivity and dissolved oxygen sensors with their transmitters. SensyTemp TSP sensors handle temperature. On the electrical side the listing has ACS355 machinery drives, the ACS550 general purpose drive, the ACQ580 for water and wastewater and the ACS880-01 industrial drive, with fieldbus adapters such as the FPBA-01 for PROFIBUS DP. Protection and switching products include SACE Tmax XT molded case breakers, SACE Emax 2 air circuit breakers, PSR soft starters and the REM615 and RET615 relays.

Where ABB instruments and drives are used

Water and wastewater plants use the electromagnetic flowmeters, analyzers and ACQ580 drives together. Oil and gas, power and chemical plants specify the Coriolis and vortex meters, pressure and level transmitters and the 615 series relays for motor and transformer feeders. The drives run pumps, fans, conveyors and compressors in almost every industry.

Ordering ABB parts: what we need

For drives send the full type code from the rating label, for example ACS355-03E-05A6-4, plus the serial number if it is a replacement. For instruments send the complete order code, measuring span, process connection, wetted materials, output or protocol and the hazardous area approval. For breakers give frame size, rated current, breaking capacity, number of poles, trip unit and fixed or withdrawable version.