Catalogue reference. Availability, exact specification and OEM or aftermarket supply are confirmed in your quotation.
1SAZ211201R2038 — Thermal overload relay
relayPart number: 1SAZ211201R2038
ABB 1SAZ211201R2038, type TA25DU-6.5M, is a three-pole thermal overload relay with a 4.5–6.5 A setting range and trip class 10A. It provides motor overload and phase-failure protection, with selectable manual or automatic reset, temperature compensation, trip indication and STOP and TEST functions. It has one normally open and one normally closed auxiliary contact.
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Technical specifications
| Manufacturer | ABB |
|---|---|
| Part number | 1SAZ211201R2038 |
| Category | Electrical & controls |
| Time-Current Characteristic Curve | Tripping characteristic - Thermal overload relay TA25DU-6.5, TA25DU-6.5 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 ) | 6.5 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; main circuit terminals IP10 |
| 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 ... +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 |
| Current setting range | 4.5–6.5 A |
| Trip class | 10A |
| Reset mode | Selectable manual or automatic |
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 ABB 1SAZ211201R2038 have?
The TA25DU-6.5M has an adjustable overload setting range of 4.5–6.5 A and trip class 10A. Check the motor nameplate current and starting requirements before selecting the relay.
What protection and reset functions does the TA25DU-6.5M provide?
This thermal overload relay is intended to protect a motor against overload and phase failure. It has selectable manual or automatic reset, temperature compensation, trip indication, and STOP and TEST functions.
Can the 1SAZ211201R2038 be mounted on a contactor?
The relay is designed for direct connection to block contactors; a separate mounting kit is available as an accessory. Confirm the contactor model and equipment serial number before ordering, as the equipment fitment has not been established.
What auxiliary contacts and main circuit voltage does this relay have?
It has one normally closed and one normally open auxiliary contact. The listed main circuit operational voltage is 690 V AC or 440 V DC; confirm the complete circuit ratings for the intended application.
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Research information may be outdated. Confirm fitment and specifications with our team before ordering.