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1SAZ721201R1005 — Thermal overload relay
relayPart number: 1SAZ721201R1005
ABB 1SAZ721201R1005 is a TF42-0.13 thermal overload relay with a 0.10–0.13 A adjustable current range and class 10 tripping. The three-pole relay provides motor overload and phase-failure protection, with selectable manual or automatic reset and trip indication. It has one normally open and one normally closed auxiliary contact.
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Technical specifications
| Manufacturer | ABB |
|---|---|
| Part number | 1SAZ721201R1005 |
| Category | Electrical & controls |
| Ex Operating Instructions | ATEX - Operating instructions for thermal overload relay TF42 for potentially explosive areas |
| Time-Current Characteristic Curve | Tripping characteristic - Thermal overload relay TF42-0.13 |
| Product Net Width | 45 mm |
| Product Net Height | 88.3 mm |
| Product Net Depth / Length | 70.5 mm |
| Product Net Weight | 0.13 kg |
| Setting Range | 0.10–0.13 A |
| Rated Operational Voltage | Auxiliary Circuit 600 V AC/DC |
| Rated Operational Current (I e ) | 0.13 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 1/2x 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 18-10 AWG |
| Published component type | Thermal overload relay |
| Reference status | Published part reference; specification and fitment require confirmation |
| Availability | On request |
| Trip Class | Class 10 |
| Reset method | Selectable manual or automatic |
| Connection type | 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 current range and trip class does the ABB TF42-0.13 provide?
Part 1SAZ721201R1005 is the TF42-0.13, with an adjustable setting range of 0.10–0.13 A and trip class 10. Check the motor nameplate current and protection requirements before selecting it.
Which contactors can the TF42-0.13 mount on?
ABB lists the TF42 range for AF09 through AF38 contactors. Confirm the exact contactor and motor details, including equipment model and serial number where applicable, before ordering.
Does this relay protect against phase failure and support manual reset?
The TF42-0.13 provides motor overload and phase-failure protection. It has selectable manual or automatic reset, a trip indication, and test and stop functions.
What auxiliary contacts and mounting options are available?
The relay has one normally open and one normally closed auxiliary contact. It mounts directly to a suitable contactor; separate mounting requires a special mounting kit.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.