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1SAZ721201R1014 — Thermal overload relay
relayPart number: 1SAZ721201R1014
ABB TF42-0.41 thermal overload relay, part number 1SAZ721201R1014, provides motor overload and phase-failure protection. It has an adjustable 0.31–0.41 A current range, class 10 tripping, selectable manual or automatic reset, and one normally closed and one normally open auxiliary contact.
Looking for ABB 1SAZ721201R1014? This catalogue reference is listed under relay. Send the part number and your equipment details so we can confirm the specification, availability and a quotation including shipping.
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Technical specifications
| Manufacturer | ABB |
|---|---|
| Part number | 1SAZ721201R1014 |
| 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 TF42-0.41 |
| 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 | 0.31–0.41 A |
| Rated Operational Voltage | Auxiliary circuit: 600 V AC/DC; main circuit: 690 V AC and 600 V DC |
| Rated Operational Current (I e ) | 0.41 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 | 10 |
| Reset Method | Selectable manual or automatic |
| Ambient Air Temperature | Operation: -25 to +60 °C; storage: -50 to +80 °C |
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 motor current range does ABB 1SAZ721201R1014 cover?
The TF42-0.41 has an adjustable current setting range of 0.31–0.41 A. Check the motor nameplate current and the complete starter design before selecting the relay.
What protection does the TF42-0.41 provide, and what is its trip class?
This thermal overload relay provides motor overload protection and phase-failure sensitivity. Its trip class is 10. Verify the complete protection scheme for the motor and starter.
Can the ABB TF42-0.41 be reset manually or automatically?
Yes. The relay has selectable manual or automatic reset, along with a stop function and trip indication. Select the reset mode appropriate to the equipment and its safety requirements.
Which auxiliary contacts are included on the TF42-0.41?
The relay includes one normally closed trip contact and one normally open signal contact. Check the auxiliary circuit ratings against the intended control circuit.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.