Technical illustration. Representative component image; exact configuration and appearance may vary. Images are for reference only. The supplied part’s appearance may differ.
1SAZ211201R1028 — TA25DU-2.4 Thermal Overload Relay 1.7 ... 2.4 A
relayPart number: 1SAZ211201R1028
ABB TA25DU-2.4 (1SAZ211201R1028) is a three-pole thermal overload relay with an adjustable 1.7–2.4 A setting range and trip class 10A. It provides motor overload and phase-failure protection, with selectable manual or automatic reset, one normally open and one normally closed auxiliary contact, and trip indication. Verify the motor and starter details before ordering.
Looking for ABB 1SAZ211201R1028? 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.
Availability on request
Technical specifications
| Manufacturer | ABB |
|---|---|
| Part number | 1SAZ211201R1028 |
| Category | Electrical & controls |
| Published component description | TA25DU-2.4 Thermal Overload Relay 1.7 ... 2.4 A |
| Reference status | Published part reference; specification and fitment require confirmation |
| Availability | On request |
| Current setting range | 1.7–2.4 A |
| Trip class | 10A |
| Number of poles | 3 |
| Protected poles | 3 |
| Auxiliary contacts | 1 normally open and 1 normally closed |
| Reset | Selectable manual or automatic |
| Rated operational current | 2.4 A |
| Main circuit rated operational voltage | 690 V AC |
| Rated insulation voltage | 690 V |
| Operating ambient temperature | −25 to +55 °C |
| Storage temperature | −40 to +70 °C |
| Ambient temperature compensation | Yes |
| Housing protection | IP20 |
Catalogue information may contain errors or be out of date.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 is the current setting range of the ABB TA25DU-2.4?
The adjustable overload setting range is 1.7–2.4 A. Check the motor nameplate current and the starter requirements to determine whether this range is appropriate.
What protection and trip class does 1SAZ211201R1028 provide?
This thermal overload relay is intended to protect motors against overload and phase failure. Its trip class is 10A; it is not a substitute for the required short-circuit protective device.
Does the TA25DU-2.4 have manual and automatic reset?
Yes. Manual or automatic reset is selectable. The relay also has a trip indication and stop and test functions.
Will the TA25DU-2.4 fit my existing motor starter?
The relay is designed for direct connection to compatible block contactors, but fit depends on the exact starter and electrical requirements. Provide the contactor model, equipment model and serial number, if available, to verify compatibility before ordering.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.