We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
ABB tf42-10.0 thermal overload relay 7.6a - 10a
MPN: 1SAZ721201R1043
Alt. SKU: TF42-10
Special Price
£44.21
£36.84
Regular Price
£68.02
Why Choose the TF42-10 [1SAZ721201R1043]
The TF42-10 thermal overload relay provides cost-effective electromechanical protection for motor main circuits. Designed to deliver reliable and rapid response to overload and phase failure conditions, it features a trip class 10 rating. 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 diagnostics. These overload relays are designed for direct mounting on compatible block contactors, with single mounting kits available separately for ease of installation.
Technical Specification
- Function: Thermal overload relay with trip class 10 for motor protection against overload and phase failure.
- Rated Operational Current: 10 A.
- Rated Operational Voltage: Main circuit 690 V AC / 600 V DC; Auxiliary circuit 600 V AC/DC.
- Contact Configuration: 3 poles protected; 1 normally closed (NC) trip contact and 1 normally open (NO) signal contact.
- Insulation and Impulse Rating: Rated insulation voltage 690 V; Rated impulse withstand voltage 6 kV (main and auxiliary circuits).
- Degree of Protection: IP20.
- Terminal Type and Size Range: Flexible and rigid cables, 0.75 to 4 mm² with ferrules and insulated ferrules supported.
- Tightening Torque: Auxiliary circuit 1–1.2 N·m; main circuit 1.5–2.5 N·m.
- Mechanical Features: Trip-free mechanism, selectable automatic or manual reset, STOP function, and trip indication.
Trusted By Customers Worldwide
"Specified by UK panel builders for dependable control." Controls Engineer, UK
Frequently Asked Questions
What is the primary function of the TF42-10 thermal overload relay?
The TF42-10 thermal overload relay provides protection for motors against overload and phase failure, ensuring reliable operation in the main circuit.
What is the rated operational current and voltage for this relay?
The rated operational current is 10 A, with a main circuit voltage of 690 V AC / 600 V DC and an auxiliary circuit voltage of 600 V AC/DC.
What type of contact configuration does the TF42-10 have?
The relay features a contact configuration of 3 poles protected, including 1 normally closed (NC) trip contact and 1 normally open (NO) signal contact.
What is the degree of protection for the TF42-10?
The TF42-10 has a degree of protection rated at IP20.
What is the cable size range compatible with the TF42-10?
The relay supports flexible and rigid cables ranging from 0.75 to 4 mm² with ferrules and insulated ferrules.
Can the TF42-10 relay be reset automatically?
Yes, the TF42-10 features a selectable automatic or manual reset function.
What should I refer to for standards and approvals related to the TF42-10?
See the manufacturer's data sheet for standards and approvals.
| Manufacturer Part Number | 1SAZ721201R1043 |
|---|---|
| Amp Range | 7.6A - 10A |
| HS Code | 85364900 |
| Country of Manufacture | Germany |
| Manufacturer | ABB |
| Alternative Product SKU | TF42-10 |
| Barcode | 4013614398124 |
Write Your Own Review
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
