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ABB tf96-51 thermal overload relay 40a - 51a
MPN: 1SAZ911201R1001
Alt. SKU: TF96-51
Special Price
£98.87
£82.39
Regular Price
£152.11
Why Choose the TF96-51 [1SAZ911201R1001]
The TF96-51 thermal overload relay provides cost-effective electromechanical protection for motor main 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 attributes include temperature compensation, a normally closed trip contact, a normally open signal contact, selectable automatic or manual reset, a trip-free mechanism, integrated STOP function, and clear trip indication. These overload relays mount directly onto compatible block contactors, with single mounting kits available as optional accessories to ensure seamless installation.
Technical Specification
- Function: Thermal overload relay with trip class 10 for motor protection against overload and phase failure.
- Current Rating: Setting range 40 ... 51 A, rated operational current 51 A.
- Voltage Rating: Main circuit up to 690 V AC / 440 V DC, auxiliary circuit up to 600 V AC/DC.
- Contact Configuration: 1 normally closed (NC) trip contact and 1 normally open (NO) signal contact.
- Insulation & Impulse Withstand Voltage: Rated insulation voltage 690 V, impulse withstand voltage 6 kV (auxiliary), 8 kV (main).
- Degree of Protection: IP20 housing, IP10 main circuit terminals.
- Terminal Types & Sizes: Flexible and rigid cables; main circuit terminals accept 6 ... 50 mm² conductors, auxiliary 0.75 ... 4 mm².
- Mechanical Features: Trip-free mechanism, selectable automatic or manual reset, STOP function, trip indication.
- Compatibility: Suitable for AF80 and AF96 contactors.
Trusted By Customers Worldwide
"Specified by UK panel builders for dependable control." Controls Engineer, UK
Frequently Asked Questions
What is the function of the TF96-51 thermal overload relay?
The TF96-51 thermal overload relay provides electromechanical protection for motors against overload and phase failure, with a trip class of 10.
What is the current rating of the TF96-51?
The current setting range is 40 to 51 A, with a rated operational current of 51 A.
What voltage ratings does the TF96-51 support?
It supports a main circuit voltage of up to 690 V AC / 440 V DC and an auxiliary circuit voltage of up to 600 V AC/DC.
What type of contacts does the TF96-51 have?
The relay features 1 normally closed (NC) trip contact and 1 normally open (NO) signal contact.
What is the degree of protection for the TF96-51?
The housing has an IP20 rating, while the main circuit terminals have an IP10 rating.
What cable sizes are compatible with the TF96-51 terminals?
Main circuit terminals accept conductors from 6 to 50 mm², and auxiliary terminals accept 0.75 to 4 mm² conductors.
Is the TF96-51 compatible with other devices?
Yes, it is suitable for use with AF80 and AF96 contactors.
| Manufacturer Part Number | 1SAZ911201R1001 |
|---|---|
| Product Image | For Illustration Purposes Only |
| Amp Range | 40A - 51A |
| HS Code | 85364900 |
| Country of Manufacture | China |
| Manufacturer | ABB |
| Alternative Product SKU | TF96-51 |
| Barcode | 4013614482984 |
| Product Lead Time | Please contact us for a delivery time |
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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
