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ABB tf65-47 thermal overload relay 36a - 47a
MPN: 1SAZ811201R1004
Alt. SKU: TF65-47
Special Price
£95.53
£79.61
Regular Price
£146.98
Why Choose the TF65-47 [1SAZ811201R1004]
The TF65-47 thermal overload relay provides cost-effective electromechanical protection for main motor circuits. Designed to deliver reliable and rapid response to overloads and phase failures, it features a trip class 10 rating for precise motor safeguarding. Key technical attributes include temperature compensation, a normally closed trip contact, a normally open signal contact, selectable automatic or manual reset, a trip-free mechanism, a STOP function, and clear trip indication. These overload relays are compatible with direct mounting on block contactors, with single mounting kits available as accessories for straightforward installation.
Technical Specification
- Function: Thermal overload relay with trip class 10 for motor protection against overload and phase failure.
- Rated Current: 36 to 47 A adjustable setting range, rated operational current 47 A.
- Voltage Ratings: Main circuit 690 V AC / 440 V DC; auxiliary circuit up to 600 V AC/DC.
- Contact Configuration: 3 poles protected; 1 normally closed (NC) trip contact; 1 normally open (NO) signal contact.
- Insulation & Impulse Ratings: Rated insulation voltage 690 V; impulse withstand voltage 6 kV (auxiliary), 8 kV (main circuit).
- Degree of Protection: Housing IP20; main circuit terminals IP10.
- Terminal Types and Sizes: Flexible and rigid cables accepted; main circuit terminals from 2.5 to 35 mm²; auxiliary circuit terminals up to 2.5 mm².
- Tightening Torque: Auxiliary circuit 1-1.2 N·m; main circuit 4.0-4.5 N·m.
- Mounting Compatibility: Direct mounting on AF40, AF52, and AF65 contactors with single mounting kits available.
Trusted By Customers Worldwide
"Specified by UK panel builders for dependable control." Controls Engineer, UK
Frequently Asked Questions
What is the function of the TF65-47 thermal overload relay?
The TF65-47 thermal overload relay provides protection for motors against overload and phase failure, featuring a trip class of 10.
What is the adjustable current setting range for this relay?
The rated current adjustable setting range for the TF65-47 is 36 to 47 A.
What are the voltage ratings for the TF65-47?
The main circuit voltage rating is 690 V AC / 440 V DC, and the auxiliary circuit can handle up to 600 V AC/DC.
What types of cables can be connected to the relay?
The relay accepts flexible and rigid cables, with main circuit terminals accommodating cable sizes from 2.5 to 35 mm² and auxiliary circuit terminals up to 2.5 mm².
How is the TF65-47 mounted?
The relay can be directly mounted on AF40, AF52, and AF65 contactors, with single mounting kits available as accessories.
What is the degree of protection for this relay?
The housing has an IP20 rating, while the main circuit terminals are rated IP10.
What are the tightening torque specifications for the terminals?
The tightening torque for the auxiliary circuit is 1-1.2 N·m, and for the main circuit, it is 4.0-4.5 N·m.
| Manufacturer Part Number | 1SAZ811201R1004 |
|---|---|
| Amp Range | 36A - 47A |
| HS Code | 85364900 |
| Country of Manufacture | China |
| Manufacturer | ABB |
| Alternative Product SKU | TF65-47 |
| Barcode | 4013614482946 |
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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
