Technical illustration. Representative component image; exact configuration and appearance may vary. Images are for reference only. The supplied part’s appearance may differ.
1SAZ211201R1025 — TA25DU-1.8 Thermal Overload Relay 1.3 ... 1.8 A
relayPart number: 1SAZ211201R1025
ABB TA25DU-1.8 (1SAZ211201R1025) is a three-pole thermal overload relay for motor overload and phase-failure protection. It has a 1.3–1.8 A adjustable current range, class 10A trip characteristic, one normally open and one normally closed auxiliary contact, and selectable manual or automatic reset.
Looking for ABB 1SAZ211201R1025? 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 | 1SAZ211201R1025 |
| Category | Electrical & controls |
| Published component description | TA25DU-1.8 Thermal Overload Relay 1.3 ... 1.8 A |
| Reference status | Published part reference; specification and fitment require confirmation |
| Availability | On request |
| Current setting range | 1.3–1.8 A |
| Number of poles | 3 |
| Trip class | 10A |
| Auxiliary contacts | 1 normally open and 1 normally closed |
| Reset | Selectable manual or automatic |
| Main circuit rated operational voltage | 690 V AC |
| Operating temperature | −25 to +55 °C |
| Dimensions (width × height × depth) | 44 × 80 × 94 mm |
| Temperature compensation range | −25 to +55 °C |
Catalogue information may contain errors or be out of date.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 motor current range does the TA25DU-1.8 cover?
The adjustable current setting range is 1.3–1.8 A. Check the motor nameplate and protection requirements to determine whether this range suits the application.
What does the ABB 1SAZ211201R1025 protect against?
The thermal overload relay is designed for motor overload and phase-failure protection. Its trip class is 10A.
Does this overload relay have manual and automatic reset?
Yes. Manual or automatic reset can be selected. It also has STOP and test functions and a trip indication.
Can the TA25DU-1.8 replace the overload relay in my motor starter?
It is designed for direct connection to block contactors, with separate mounting kits available. Compatibility with your starter is not established from the part number alone; provide the contactor model and equipment serial number for verification.
What auxiliary contacts does this relay provide?
It has one normally closed trip contact and one normally open signalling contact.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.