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1SAZ711201R1023 — Thermal overload relay
relayPart number: 1SAZ711201R1023
ABB 1SAZ711201R1023, type T16-1.0, is a three-pole thermal overload relay with a 0.74–1.00 A adjustable current setting and class 10 trip characteristic. It provides motor overload and phase-loss protection, with selectable manual or automatic reset and one normally open and one normally closed auxiliary contact.
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Technical specifications
| Manufacturer | ABB |
|---|---|
| Part number | 1SAZ711201R1023 |
| Category | Electrical & controls |
| Time-Current Characteristic Curve | Tripping characteristic - Thermal overload relay T16-1.0 |
| Product Net Width | 45 mm |
| Product Net Height | 76.7 mm |
| Product Net Depth / Length | 53.5 mm |
| Product Net Weight | 0.1 kg |
| Setting Range | 0.74–1.00 A |
| Rated Operational Voltage | Auxiliary circuit: 600 V |
| Rated Operational Current (I e ) | 1 A |
| Rated Frequency (f) | Auxiliary Circuit 50 Hz |
| Rated Impulse Withstand Voltage (U imp ) | Auxiliary Circuit 6 kV |
| Rated Insulation Voltage (U i ) | 690 V |
| 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 6 A |
| Rated Operational Current AC-15 (I e ) | (120 V) NC 3 A |
| Rated Operational Current DC-13 (I e ) | (125 V) NC 0.55 A |
| Degree of Protection | IP20 |
| Connecting Capacity Auxiliary Circuit | Flexible with ferrule: 1 or 2 × 0.75–2.5 mm² |
| Connecting Capacity Main Circuit | Flexible with ferrule: 1 or 2 × 0.75–4 mm² |
| Tightening Torque | Auxiliary Circuit 1 ... 1.2 N·m |
| Wire Stripping Length | Auxiliary Circuit 9 mm |
| Power Loss | at Rated Operating Conditions per Pole 1.1 ... 2.0 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 18-12 AWG |
| Connecting Capacity Auxiliary Circuit UL/CSA | Flexible 1/2x 18-12 AWG |
| Published component type | Thermal overload relay |
| Reference status | Published part reference; specification and fitment require confirmation |
| Availability | On request |
| Trip Class | 10 |
| 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Catalogue information may contain errors or be out of date.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 current range does the ABB T16-1.0 cover?
The 1SAZ711201R1023 has an adjustable overload setting range of 0.74–1.00 A and a class 10 trip characteristic. Check the motor nameplate and application before selecting the relay.
Does the T16-1.0 provide short-circuit protection?
No. ABB states that the overload relay requires separate short-circuit protection. The appropriate protective device depends on the circuit and coordination requirements; have the complete installation verified by a qualified professional.
What reset options and auxiliary contacts does the T16-1.0 have?
It offers selectable manual or automatic reset and has one normally closed trip contact and one normally open signalling contact. It also includes a trip indication and STOP and TEST functions.
How can I check whether this relay will fit my starter?
The relay mounts directly to certain ABB contactors; a separate mounting kit is also available. Check the contactor model, motor rating and starter arrangement before ordering. If equipment fitment is uncertain, provide the equipment model and serial number for verification.
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Research information may be outdated. Confirm fitment and specifications with our team before ordering.