Catalogue reference. Availability, exact specification and OEM or aftermarket supply are confirmed in your quotation.
1SAZ211201R2040 — Thermal overload relay
relayPart number: 1SAZ211201R2040
ABB 1SAZ211201R2040 is a TA25DU-8.5M three-pole thermal overload relay for motor overload and phase-failure protection. It has a 6.0–8.5 A adjustable setting range, class 10A trip characteristic, selectable manual or automatic reset, and one normally closed and one normally open auxiliary contact.
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Technical specifications
| Manufacturer | ABB |
|---|---|
| Part number | 1SAZ211201R2040 |
| Category | Electrical & controls |
| Time-Current Characteristic Curve | Tripping characteristic - Thermal overload relay TA25DU-8.5, , TA25DU-8.5 V1000 |
| Product Net Width | 44 mm |
| Product Net Height | 80 mm |
| Product Net Depth / Length | 94 mm |
| Product Net Weight | 0.15 kg |
| Rated Operational Voltage | Main circuit: 690 V AC; 440 V DC |
| Rated Operational Current (I e ) | 8.5 A |
| Rated Frequency (f) | Auxiliary Circuit 50 Hz |
| Number of Poles | 3 |
| Number of Auxiliary Contacts NC | 1 |
| Number of Auxiliary Contacts NO | 1 |
| Number of Protected Poles | 3 |
| Conventional Free-air Thermal Current (I th ) | Auxiliary Circuit NC 5 A |
| Rated Operational Current AC-15 (I e ) | (120 V) NC 3 A |
| Degree of Protection | Housing IP20 |
| Connecting Capacity Auxiliary Circuit | Flexible 1/2x 0.75 ... 2.5 mm² |
| Connecting Capacity Main Circuit | Flexible with Ferrule 1x 0.75 ... 4 mm² |
| Power Loss | at Rated Operating Conditions per Pole 1.1 ... 2.2 W |
| Maximum Operating Voltage UL/CSA | Main Circuit 600 V AC |
| Contact Rating UL/CSA | (NC:) B600 |
| Connecting Capacity Main Circuit UL/CSA | Flexible 1/2x 16-8 AWG |
| Connecting Capacity Auxiliary Circuit UL/CSA | Flexible 1/2x 18-14 AWG |
| Tightening Torque UL/CSA | Auxiliary Circuit 12 in·lb |
| Ambient Air Temperature | Operation: -25 to +55 °C |
| Maximum Operating Altitude Permissible | 2000 m |
| Resistance to Shock acc. to IEC 60068-2-27 | 25g 2 shocks 13 ms |
| Published component type | Thermal overload relay |
| Reference status | Published part reference; specification and fitment require confirmation |
| Availability | On request |
| Extended product type | TA25DU-8.5M |
| Overload setting range | 6.0–8.5 A |
| Trip class | 10A |
| Reset mode | Selectable manual or automatic |
| Terminal type | Screw connection for main circuit |
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 ABB 1SAZ211201R2040?
The TA25DU-8.5M has an adjustable overload setting range of 6.0–8.5 A and a rated operational current of 8.5 A. Check the motor nameplate and starter requirements before selection.
What protection and trip class does the TA25DU-8.5M provide?
This thermal overload relay provides motor overload and phase-failure protection and has trip class 10A. Verify the complete starter protection arrangement for the installation.
Does the TA25DU-8.5M offer manual and automatic reset?
Yes. Manual or automatic reset can be selected. The relay also has a trip indication and STOP and TEST functions.
What contacts and mounting arrangement does this relay have?
The relay has one normally closed trip contact and one normally open signal contact. It connects directly to block contactors; separate mounting kits are available as accessories. Confirm the contactor model and, where applicable, equipment serial number before ordering.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.