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ABB tf42-35 thermal overload relay 29a - 35a
MPN: 1SAZ721201R1053
Alt. SKU: TF42-35
Special Price
£80.89
£67.41
Regular Price
£124.45
Why Choose the TF42-35 [1SAZ721201R1053]
The TF42-35 thermal overload relay provides cost-effective electromechanical protection for main motor circuits, ensuring rapid and dependable response to overloads and phase failures. Rated at trip class 10, it incorporates temperature compensation for accurate operation under varying conditions. Key features include a normally closed trip contact, a normally open signal contact, selectable automatic or manual reset, a trip-free mechanism, a dedicated STOP function, and clear trip indication. Designed for direct mounting onto corresponding contactor blocks, compatible single mounting kits are available as accessories to facilitate installation.
Technical Specification
- Function: Electromechanical thermal overload relay with trip class 10, providing protection against motor overload and phase failure.
- Setting Range: 29 to 35 A.
- Voltage Ratings: Main circuit up to 690 V AC / 600 V DC; Auxiliary circuit 600 V AC/DC.
- Contact Configuration: 3 poles protected, with 1 normally closed (NC) trip contact and 1 normally open (NO) signal contact.
- Insulation Voltage: Rated insulation voltage of 690 V and rated impulse withstand voltage of 6 kV for both main and auxiliary circuits.
- Degree of Protection: IP20.
- Terminal Type and Size Range: Flexible and rigid cables; main circuit 1.5 to 10 mm², auxiliary circuit 0.75 to 4 mm².
- Tightening Torque: 1 to 1.2 N·m for auxiliary circuit, 2.5 to 2.7 N·m for main circuit.
- Mechanical Features: Trip-free mechanism, selectable automatic or manual reset, trip indication, and STOP function.
Trusted By Customers Worldwide
"Specified by UK panel builders for dependable control." Controls Engineer, UK
Frequently Asked Questions
What is the main function of the TF42-35 thermal overload relay?
The TF42-35 thermal overload relay provides electromechanical protection for motors against overload and phase failure.
What is the setting range for the TF42-35 overload relay?
The setting range for the TF42-35 overload relay is 29 to 35 A.
What are the voltage ratings for the TF42-35 relay?
The voltage ratings are up to 690 V AC / 600 V DC for the main circuit and 600 V AC/DC for the auxiliary circuit.
What type of cables can be used with the TF42-35 relay?
Flexible and rigid cables can be used, with a size range of 1.5 to 10 mm² for the main circuit and 0.75 to 4 mm² for the auxiliary circuit.
Is the TF42-35 relay suitable for single mounting?
Yes, single mounting kits are available as an accessory for the TF42-35 relay.
What is the degree of protection for the TF42-35 relay?
The TF42-35 relay has a degree of protection rated at IP20.
What standards and approvals does the TF42-35 relay comply with?
See the manufacturer's data sheet for standards and approvals.
| Manufacturer Part Number | 1SAZ721201R1053 |
|---|---|
| Product Image | For Illustration Purposes Only |
| Amp Range | 29A - 35A |
| Manufacturer | ABB |
| Alternative Product SKU | TF42-35 |
| Barcode | 4013614398162 |
| Product Lead Time | Delivery 2/3 days |
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Motor protection for overload and phase failure
Thermal overload relays are economic electromechanical protection devices for the main circuit. They offer reliable protection for motors in the event of overload or phase failure. The thermal overload relay can make up a compact starting solution together with contactors.
Main Benefits:
- Reliable protection for motors
- Easy to create starters
- Optimized match to ABB contactors
- Single mounting kits and wire reset for
remote control available for specific applications
Main Features:
- Adjustable current setting ranges
- Overload protection with phase loss sensitivity
- Temperature compensation up to +60°C
- Automatic or manual reset, sealable
- Stop and test function
