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ABB tf140du-135 thermal overload relay 100a - 135a
MPN: 1SAZ431201R1003
Alt. SKU: TF140DU-135
Special Price
£216.10
£180.08
Regular Price
£332.45
Why Choose the TF140DU-135 [1SAZ431201R1003]
The TF140DU-135 thermal overload relay provides cost-effective, electromechanical protection for main motor circuits. It delivers dependable and rapid response to overload conditions and phase failure, with a trip class of 10A. Key features include temperature compensation, a normally closed trip contact, a normally open signal contact, and selectable automatic or manual reset. The device incorporates a trip-free mechanism, along with STOP and test functions, and a clear trip indication. Designed for direct mounting on block contactors, this relay ensures straightforward installation and reliable motor protection in industrial applications.
Technical Specification
- Function: Electromechanical thermal overload relay providing rapid motor protection against overload and phase failure with trip class 10A.
- Current Rating: Setting range 100 – 135 A; rated operational current 135 A.
- Voltage Rating: Main circuit up to 690 V AC / 440 V DC; auxiliary circuit up to 500 V AC / 440 V DC.
- Contact Configuration: 3-pole with 1 NC (trip contact) and 1 NO (signal contact) auxiliary contacts.
- Insulation & Impulse Withstand Voltage: Rated insulation voltage 690 V; impulse withstand voltage 8 kV (main circuit), 6 kV (auxiliary circuit).
- Protection Rating: IP20 housing and main circuit terminals; IP10 main circuit terminal protection.
- Terminal Type & Size: Main circuit terminals accept flexible or rigid cables 16 – 70 mm²; auxiliary circuit terminals accept 0.75 – 4 mm² cables.
- Mounting: Suitable for direct mounting on AF116 and AF140 contactors in any position.
- Key Features: Trip-free mechanism, selectable automatic/manual reset, trip indication, STOP and test functions.
- Standards: Compliant with IEC/EN 60947 series and UL 60947 standards.
Trusted By Customers Worldwide
"Specified by UK panel builders for dependable control." Controls Engineer, UK
Frequently Asked Questions
What is the function of the TF140DU-135 thermal overload relay?
The TF140DU-135 is an electromechanical thermal overload relay that provides rapid protection for motors against overload and phase failure.
What is the current rating range for this overload relay?
The current rating setting range is from 100 A to 135 A, with a rated operational current of 135 A.
What is the voltage rating for the TF140DU-135?
The voltage rating is up to 690 V AC / 440 V DC for the main circuit and up to 500 V AC / 440 V DC for the auxiliary circuit.
What type of cables can be used with the main circuit terminals?
The main circuit terminals accept flexible or rigid cables ranging from 16 mm² to 70 mm².
How is the TF140DU-135 mounted?
It is suitable for direct mounting on AF116 and AF140 contactors in any position.
What protection rating does the TF140DU-135 have?
The device has an IP20 housing and main circuit terminals, with IP10 protection for the main circuit terminal.
Is the TF140DU-135 compliant with any standards?
Yes, it is compliant with IEC/EN 60947 series and UL 60947 standards. See the manufacturer's data sheet for standards and approvals.
| Manufacturer Part Number | 1SAZ431201R1003 |
|---|---|
| Amp Range | 100A - 135A |
| HS Code | 85364900 |
| Country of Manufacture | Bulgaria |
| Manufacturer | ABB |
| Alternative Product SKU | TF140DU-135 |
| Barcode | 4013614446832 |
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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
