Technical illustration. Representative component image; exact configuration and appearance may vary. Images are for reference only. The supplied part’s appearance may differ.
1SAZ711201R1033 — Thermal overload relay
relayPart number: 1SAZ711201R1033
ABB 1SAZ711201R1033 (T16-3.1) is a thermal overload relay with an adjustable 2.3–3.1 A setting and class 10 trip characteristic. It provides motor overload and phase-failure protection, selectable manual or automatic reset, trip indication and normally open and normally closed auxiliary contacts.
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Technical specifications
| Manufacturer | ABB |
|---|---|
| Part number | 1SAZ711201R1033 |
| Category | Electrical & controls |
| Time-Current Characteristic Curve | Tripping characteristic - Thermal overload relay T16-3.1 |
| 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 | 2.3–3.1 A |
| Rated Operational Voltage | Auxiliary Circuit 600 V AC/DC |
| Rated Operational Current (I e ) | 3.1 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 | 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 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 1/2x 0.75 ... 2.5 mm² |
| Connecting Capacity Main Circuit | Flexible with Ferrule 1/2x 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 |
| Main Circuit Connection | Screw terminals |
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 the ABB T16-3.1?
ABB 1SAZ711201R1033 is the T16-3.1, with an adjustable overload setting range of 2.3–3.1 A and trip class 10. Check the motor nameplate current and application requirements before selecting the relay.
Does the T16-3.1 reset automatically or manually?
Both modes are selectable. The relay also has a trip indicator and a STOP function; choose the reset mode appropriate to the equipment and its safety requirements.
Does the T16-3.1 provide short-circuit protection?
No. The thermal overload relay requires separate short-circuit protection. Selection must take the complete motor circuit, fault level and applicable coordination requirements into account.
Can the T16-3.1 be mounted independently of a contactor?
The relay is intended for direct attachment to compatible contactors; a separate single-mounting kit is available as an accessory. Confirm the contactor model, motor details and equipment serial number before ordering for a specific installation.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.