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1SAZ711201R1035 — Thermal overload relay
relayPart number: 1SAZ711201R1035
ABB 1SAZ711201R1035 is a T16-4.2 three-pole thermal overload relay with an adjustable 3.1–4.2 A setting and class 10 trip characteristic. Designed for motor overload and phase-failure protection, it has one normally closed and one normally open auxiliary contact, selectable manual or automatic reset, temperature compensation and trip indication.
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Technical specifications
| Manufacturer | ABB |
|---|---|
| Part number | 1SAZ711201R1035 |
| Category | Electrical & controls |
| Time-Current Characteristic Curve | Tripping characteristic - Thermal overload relay T16-4.2 |
| 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 | 3.1–4.2 A |
| Rated Operational Voltage | Main circuit: 690 V AC; auxiliary circuit: 600 V AC/DC |
| Rated Operational Current (I e ) | 4.2 A |
| Rated Frequency (f) | Main circuit: 50/60 Hz; auxiliary circuit: 50/60 Hz or DC |
| 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 |
| Reset mode | Selectable manual or automatic |
| Auxiliary contacts | 1 normally closed and 1 normally open |
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 the ABB T16-4.2 provide?
ABB 1SAZ711201R1035 is the T16-4.2, with an adjustable overload setting of 3.1–4.2 A and trip class 10. Check the motor nameplate current and the application requirements before selecting it.
What protection and reset options does this relay offer?
The relay provides motor overload and phase-failure protection, with selectable manual or automatic reset, temperature compensation, a STOP function and a trip indication.
What auxiliary contacts and voltage ratings does the T16-4.2 have?
It has one normally closed and one normally open auxiliary contact. The listed operational voltage is 690 V AC for the main circuit and 600 V AC/DC for the auxiliary circuit; contact current ratings depend on voltage and utilization category.
How is the T16-4.2 mounted, and what should be checked before ordering?
The relay connects directly to suitable mini or block contactors; a separate single-mounting kit is available. Confirm the contactor model, motor current and installation requirements before ordering. If equipment fitment is uncertain, provide the equipment model and serial number for verification.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.