Technical illustration. Representative component image; exact configuration and appearance may vary. Images are for reference only. The supplied part’s appearance may differ.
1SAZ211201R1045 — TA25DU-14 Thermal Overload Relay
relayPart number: 1SAZ211201R1045
The ABB TA25DU-14 (1SAZ211201R1045) is a three-pole thermal overload relay with a 10–14 A adjustable current range and trip class 10A. It provides motor overload and phase-failure protection, with temperature compensation, selectable manual or automatic reset, one normally closed trip contact and one normally open signal contact.
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Technical specifications
| Manufacturer | ABB |
|---|---|
| Part number | 1SAZ211201R1045 |
| Category | Electrical & controls |
| Published component description | TA25DU-14 Thermal Overload Relay |
| Reference status | Published part reference; specification and fitment require confirmation |
| Availability | On request |
| Current setting range | 10–14 A |
| Trip class | 10A |
| Number of poles | 3 |
| Auxiliary contacts | 1 normally open and 1 normally closed |
| Reset | Selectable manual or automatic |
| Main circuit connection | Screw terminals |
| Rated operational voltage, main circuit | 690 V AC |
| Rated operational current | 14 A |
| Ambient operating temperature | −25 to +55 °C |
| Net weight | 0.15 kg |
Catalogue information may contain errors or be out of date.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 and trip class does the TA25DU-14 provide?
ABB 1SAZ211201R1045 has an adjustable current setting range of 10–14 A and trip class 10A. Check the motor nameplate and the protection design before selecting the relay.
Does the TA25DU-14 protect against phase failure as well as overload?
Yes. This three-pole thermal overload relay is designed to protect motors against overload and phase failure. Confirm the complete protection arrangement for the particular motor and installation.
Does this relay have manual and automatic reset and auxiliary contacts?
Yes. It has selectable manual or automatic reset, one normally closed trip contact and one normally open signal contact. Automatic reset can permit an unexpected motor restart, depending on the control circuit.
Can the TA25DU-14 be mounted separately from a contactor?
The relay connects directly to block contactors, and separate mounting kits are available. To confirm a replacement, provide the contactor model, existing relay number and equipment serial number where available.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.