Catalogue reference. Availability, exact specification and OEM or aftermarket supply are confirmed in your quotation.
1SAZ321201R2006 — Thermal overload relay
relayPart number: 1SAZ321201R2006
ABB 1SAZ321201R2006 is a TA75DU-80M three-pole thermal overload relay for motor overload and phase-failure protection. It has a 60–80 A adjustable setting range, trip class 10A, selectable manual or automatic reset, and one normally closed and one normally open auxiliary contact. The relay connects directly to block contactors; confirm compatibility with the specific installation.
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Technical specifications
| Manufacturer | ABB |
|---|---|
| Part number | 1SAZ321201R2006 |
| Category | Electrical & controls |
| Time-Current Characteristic Curve | Tripping characteristic - Thermal overload relay TA75DU-80, TA75DU-80 V1000, TA80DU-80, TA80DU-80 V1000 |
| Product Net Width | 54 mm |
| Product Net Height | 90 mm |
| Product Net Depth / Length | 111 mm |
| Product Net Weight | 0.37 kg |
| Rated Operational Voltage | Main circuit 690 V AC; 440 V DC |
| Rated Operational Current (I e ) | 80 A |
| 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 IP20 |
| Connecting Capacity Auxiliary Circuit | Flexible 1/2x 0.75 ... 2.5 mm² |
| Wire Stripping Length | Auxiliary Circuit 9 mm |
| Power Loss | at Rated Operating Conditions per Pole 2.5 ... 4.4 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 8-1 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 |
| 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 |
| Overload current setting range | 60–80 A |
| Trip class | 10A |
| Reset mode | Selectable manual or automatic |
| Protection function | Motor overload and phase failure |
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 1SAZ321201R2006?
The TA75DU-80M has an adjustable overload setting range of 60–80 A and a rated operational current of 80 A. Check the motor nameplate and application requirements before selecting a relay.
What protection and trip class does the TA75DU-80M provide?
This electromechanical thermal overload relay is intended to protect motors against overload and phase failure. Its trip class is 10A.
Does the TA75DU-80M have manual and automatic reset?
Yes. It offers selectable manual or automatic reset, a trip indication, stop and test functions, and one normally closed trip contact plus one normally open signal contact.
Can the 1SAZ321201R2006 relay be mounted on a contactor?
The relay is designed for direct connection to block contactors; separate mounting kits are also available. Compatibility with your particular installation must be confirmed: provide the contactor model and equipment serial number if available.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.