Catalogue reference. Availability, exact specification and OEM or aftermarket supply are confirmed in your quotation.
1SAZ311201R2002 — Thermal overload relay
relayPart number: 1SAZ311201R2002
ABB 1SAZ311201R2002 (TA42DU-32M) is a three-pole thermal overload relay with an adjustable 22–32 A setting range and trip class 10A. It provides motor overload and phase-failure protection, with selectable manual or automatic reset, a trip indicator, and STOP and test functions. It has one normally closed trip contact and one normally open signal contact.
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Technical specifications
| Manufacturer | ABB |
|---|---|
| Part number | 1SAZ311201R2002 |
| Category | Electrical & controls |
| Time-Current Characteristic Curve | Tripping characteristic - Thermal overload relay TA42DU-32, TA42DU-32 V1000, TA75DU-32, TA75DU-32 V1000 |
| Product Net Width | 54 mm |
| Product Net Height | 90 mm |
| Product Net Depth / Length | 111 mm |
| Product Net Weight | 0.335 kg |
| Rated Operational Voltage | Main circuit 690 V AC |
| Rated Operational Current (I e ) | 32 A |
| Number of Poles | 3P |
| 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 |
| Wire Stripping Length | Auxiliary Circuit 9 mm |
| Power Loss | at Rated Operating Conditions per Pole 1.4 ... 3.0 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 |
| 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 | 22–32 A |
| Trip class | 10A |
| Reset method | 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Catalogue information may contain errors or be out of date.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 is the current setting range of ABB 1SAZ311201R2002?
The TA42DU-32M has an adjustable overload setting range of 22–32 A and a rated operational current of 32 A. Check the motor nameplate current and the application requirements when selecting the relay.
What motor protection and trip class does the TA42DU-32M provide?
This three-pole thermal overload relay provides motor protection against overload and phase failure. Its trip class is 10A.
Does the 1SAZ311201R2002 have manual and automatic reset?
Yes. Manual or automatic reset can be selected. The relay also has a trip indicator and STOP and test functions.
How is the TA42DU-32M mounted, and how can I check it fits my starter?
The relay is designed for direct connection to a block contactor; a separate mounting kit is available as an accessory. Confirm the contactor model, motor rating and equipment model and serial number before ordering for a particular starter.
What auxiliary contacts are included on the TA42DU-32M?
The relay has one normally closed trip contact and one normally open signal contact. Check the control circuit requirements before selection.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.