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1SAZ211201R1023 — TA25DU-1.4 Thermal Overload Relay 1.0 ... 1.4 A
relayPart number: 1SAZ211201R1023
ABB TA25DU-1.4 (1SAZ211201R1023) is a three-pole thermal overload relay with an adjustable 1.0–1.4 A setting range and class 10A trip characteristic. It protects motors against overload and phase failure and provides selectable manual or automatic reset, trip indication, and test and stop functions.
Looking for ABB 1SAZ211201R1023? This catalogue reference is listed under relay. Send the part number and your equipment details so we can confirm the specification, availability and a quotation including shipping.
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Technical specifications
| Manufacturer | ABB |
|---|---|
| Part number | 1SAZ211201R1023 |
| Category | Electrical & controls |
| Published component description | TA25DU-1.4 thermal overload relay, 1.0–1.4 A |
| Reference status | Published part reference; specification and fitment require confirmation |
| Availability | On request |
| Current setting range | 1.0–1.4 A |
| Rated operational current | 1.4 A |
| Trip class | 10A |
| Number of poles | 3 |
| Protected poles | 3 |
| Auxiliary contacts | 1 normally closed and 1 normally open |
| Main circuit rated operational voltage | 690 V AC |
| Auxiliary circuit rated operational voltage | 500 V AC; 440 V DC |
| Degree of protection | Housing IP20; main circuit terminals IP10 |
| Reset | Selectable manual or automatic |
| Ambient operating temperature | −25 to +55 °C, temperature compensated |
Catalogue information may contain errors or be out of date. Full specifications and verified details are available on request. Confirm the part number and equipment fitment with us before ordering.
Product questions
What current range does the ABB TA25DU-1.4 cover?
The adjustable current setting range is 1.0–1.4 A. Check the motor nameplate and the equipment requirements before selecting the relay.
What protection and trip class does 1SAZ211201R1023 provide?
This three-pole thermal overload relay provides motor protection against overload and phase failure. Its trip class is 10A.
Does the TA25DU-1.4 offer manual and automatic reset?
Yes. Manual or automatic reset can be selected. It also has a trip indication and test and stop functions.
Can the TA25DU-1.4 be mounted separately from a contactor?
The relay connects directly to block contactors; a separate mounting kit is available as an accessory. Confirm the contactor model and equipment serial number before ordering.
What are the main circuit voltage and auxiliary contacts?
The main circuit is rated at 690 V AC. The relay has one normally closed trip contact and one normally open signal contact; check the relevant control-circuit ratings for the application.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.