TF42-1.3 Thermal Overload Relay (1.0-1.3 A)
The TF42-1.3 is a thermal overload relay from the ABB TF range, providing reliable and fast protection for motors against overload and phase failure. With a setting range of 1.0 to 1.3 A and trip class 10, it is designed for direct mounting onto ABB block contactors, with single mounting kits available as an accessory.
The relay features temperature compensation, a NC trip contact and a NO signal contact, selectable automatic or manual reset, a trip-free mechanism, a STOP function and clear trip indication. These features make it a simple, dependable motor-protection solution for control panels and machine builders.
Typical applications include motor branch circuits, pumps, fans, conveyors and small machinery where economical electromechanical overload protection is required.
Technical Specifications
| Product Series |
ABB TF thermal overload relays |
| Model / Type Designation |
TF42-1.3 |
| Product ID (Order No.) |
1SAZ721201R1025 |
| Product Type |
Thermal overload relay |
| Setting Range |
1.0 to 1.3 A |
| Trip Class |
Class 10 |
| Main Circuit Rated Voltage |
690 V AC / 600 V DC |
| Auxiliary Circuit Rated Voltage |
600 V AC/DC |
| Auxiliary Contacts |
1 NC trip contact + 1 NO signal contact |
| Reset Mode |
Automatic or manual (selectable) |
| Features |
Temperature compensation, trip-free mechanism, STOP function, trip indication, phase-failure protection |
| Mounting |
Direct mounting to AF/A/BB block contactors; single mounting kit accessory |
| Terminal Type |
Screw terminals |
| Degree of Protection |
IP20 |
| Ambient Operating Temperature |
-25 to +60 °C |
| Utilization Category |
AC-15 / DC-13 auxiliary contacts |
| Standards |
IEC/EN 60947-4-1, IEC/EN 60947-5-1, UL 60947-4-1 |
| Dimensions (W x D x H) |
45 x 70.5 x 88.3 mm |
| Product Net Weight |
0.13 kg |
| Brand |
ABB |
| Condition |
New Surplus |
| Warranty |
12-month seller warranty |
Shipping & Warranty: Fast order processing with worldwide delivery available. This item is sold as New Surplus and backed by our 12-month warranty, which covers quality-related replacement or refund. Contact our team for compatibility checks, bulk pricing, or spare-parts sourcing support.