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ABB tf65-40 thermal overload relay 30a - 40a
MPN: 1SAZ811201R1003
Alt. SKU: TF65-40
Special Price
£85.86
£71.55
Regular Price
£132.08
Why Choose the TF65-40 [1SAZ811201R1003]
The TF65-40 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, and selectable automatic or manual reset options. The device incorporates a trip-free mechanism, a dedicated STOP function, and clear trip indication for straightforward fault identification. These overload relays mount directly onto corresponding block contactors, with single mounting kits available as optional accessories for flexible installation.
Technical Specification
- Function: Thermal overload relay providing reliable motor protection against overload and phase failure with trip class 10.
- Rated Operational Current: 40 A.
- Setting Range: 30 to 40 A.
- Rated Operational Voltage: Main circuit 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 and Impulse Withstand Voltage: Rated insulation voltage 690 V; impulse withstand voltage 8 kV (main circuit), 6 kV (auxiliary circuit).
- Degree of Protection: Housing IP20; main circuit terminals IP10.
- Terminal Type and Size Range: Flexible and rigid conductors, 0.75 to 35 mm² depending on circuit and terminal type.
- Tightening Torque: Auxiliary circuit 1–1.2 N·m; main circuit 4.0–4.5 N·m.
- Mounting: Direct mounting on AF40, AF52, and AF65 contactors, with available single mounting kits.
Trusted By Customers Worldwide
"Specified by UK panel builders for dependable control." Controls Engineer, UK
Frequently Asked Questions
What is the function of the TF65-40 thermal overload relay?
The TF65-40 thermal overload relay provides reliable protection for motors against overload and phase failure, featuring a trip class of 10.
What is the rated operational current of the TF65-40?
The rated operational current is 40 A.
What is the setting range for the TF65-40?
The setting range is from 30 to 40 A.
What is the degree of protection for the TF65-40?
The housing has an IP20 rating, while the main circuit terminals have an IP10 rating.
What types of conductors can be used with the TF65-40?
It can accommodate flexible and rigid conductors ranging from 0.75 to 35 mm², depending on the circuit and terminal type.
How is the TF65-40 mounted?
The TF65-40 can be directly mounted on AF40, AF52, and AF65 contactors, with single mounting kits available as accessories.
What should I refer to for standards and approvals of the TF65-40?
See the manufacturer's data sheet for standards and approvals.
| Manufacturer Part Number | 1SAZ811201R1003 |
|---|---|
| Amp Range | 30A - 40A |
| HS Code | 85364900 |
| Country of Manufacture | China |
| Manufacturer | ABB |
| Alternative Product SKU | TF65-40 |
| Barcode | 4013614482939 |
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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
