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ABB tf42-16.0 thermal overload relay 13a - 16a
MPN: 1SAZ721201R1047
Alt. SKU: TF42-16
Special Price
£55.20
£46.00
Regular Price
£84.92
Why Choose the TF42-16 [1SAZ721201R1047]
The TF42-16 thermal overload relay provides cost-effective electromechanical protection for motor circuits, ensuring rapid and dependable response to overloads and phase failures. Rated with a trip class 10, it incorporates temperature compensation for accurate operation under varying conditions. Key features include 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. Designed for direct mounting onto corresponding block contactors, the relay can also be installed using available single mounting kits for flexible integration.
Technical Specification
- Function: Thermal overload relay with trip class 10, for motor protection against overload and phase failure.
- Rated Current: 16 A with setting range 13–16 A.
- Operational Voltage: Main circuit 690 V AC / 600 V DC, auxiliary circuit 600 V AC/DC.
- Contact Configuration: 1 normally closed (NC) trip contact, 1 normally open (NO) signal contact.
- Insulation Voltage (Ui): 690 V and rated impulse withstand voltage (Uimp) 6 kV for main and auxiliary circuits.
- Degree of Protection: IP20.
- Terminal Types and Size Range: Flexible and rigid cables with ferrules, 0.75–4 mm² for main circuit, 0.75–2.5 mm² for auxiliary circuit.
- Tightening Torque: 1.5–2.5 N·m main circuit, 1–1.2 N·m auxiliary circuit.
- Mounting: Direct connection to block contactors, compatible with AF09 to AF38 sizes.
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"Specified by UK panel builders for dependable control." Controls Engineer, UK
Frequently Asked Questions
What is the function of the TF42-16 thermal overload relay?
The TF42-16 thermal overload relay provides electromechanical protection for motors against overload and phase failure.
What is the rated current and setting range for this relay?
The rated current is 16 A, with a setting range of 13–16 A.
What is the operational voltage for the TF42-16?
The operational voltage is 690 V AC / 600 V DC for the main circuit and 600 V AC/DC for the auxiliary circuit.
What types of cables can be used with this relay?
It can accommodate flexible and rigid cables with ferrules, ranging from 0.75–4 mm² for the main circuit and 0.75–2.5 mm² for the auxiliary circuit.
How is the TF42-16 mounted?
The relay is mounted by direct connection to block contactors and is compatible with AF09 to AF38 sizes.
What is the degree of protection for this relay?
The degree of protection is IP20.
What safety standards does the TF42-16 comply with?
See the manufacturer's data sheet for standards and approvals.
| Manufacturer Part Number | 1SAZ721201R1047 |
|---|---|
| Amp Range | 13A - 16A |
| HS Code | 85364900 |
| Country of Manufacture | Germany |
| Manufacturer | ABB |
| Alternative Product SKU | TF42-16 |
| Barcode | 4013614398148 |
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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
