ABB, TF42 Thermal Overload Relay 1 NO/1 NC, Trip Dial: 16 → 20 A, 16A, 20 A F.L.C, 20A Contact Rating, 2.6 W 3

RS stock no.:: 711-6657
Mfr. Part No.:: 1SAZ721201R1049 TF42-20
Manufacturer:: ABB

ABB, TF42 Thermal Overload Relay 1 NO/1 NC, Trip Dial: 16 → 20 A, 16A, 20 A F.L.C, 20A Contact Rating, 2.6 W 3

View all Contactor Overload Relays

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R 1 513,80

(exc. VAT)

R 1 740,87

(inc. VAT)

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RS stock no.:: 711-6657
Mfr. Part No.:: 1SAZ721201R1049 TF42-20
Manufacturer:: ABB

Specification

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	ABB
	FLC Motor Rating	16A, 20A
	Product Type	Thermal Overload Relay
	Relay Contact Current	20A
	Series	TF42
	Mount Type	Direct
	Power Rating	2.6W
	Pole and Throw Configuration	3
	Normal State Configuration	1 NO/1 NC
	Terminal Type	Screw
	IP Rating	IP20
	Reset Method	Automatic & Manual
	Number of Auxiliary Contacts	2
	Adjustable Current Range	16 → 20 A
	Minimum Operating Temperature	-25°C
	Width	45mm
	Contact Voltage	690V ac/dc
	Length	88.3mm
	Maximum Operating Temperature	60°C
	Depth	70.5mm
	Standards/Approvals	UL 508, Lloyd's Register, IEC/EN 60947-1, ABS, IEC/EN 60947-5-1, EMC Directive 2004/108/EC, GOST-R, CCC, Low Voltage Directive 2006/95/EC, DNV, CSA 22.2 No. 14, RINA, IEC/EN 60947-4-1, RoHS Directive 2002/95/EC, CB scheme, CE, cULus
	Supply Voltage	600V

	Select all
	Brand ABB
	FLC Motor Rating 16A, 20A
	Product Type Thermal Overload Relay
	Relay Contact Current 20A
	Series TF42
	Mount Type Direct
	Power Rating 2.6W
	Pole and Throw Configuration 3
	Normal State Configuration 1 NO/1 NC
	Terminal Type Screw
	IP Rating IP20
	Reset Method Automatic & Manual
	Number of Auxiliary Contacts 2
	Adjustable Current Range 16 → 20 A
	Minimum Operating Temperature -25°C
	Width 45mm
	Contact Voltage 690V ac/dc
	Length 88.3mm
	Maximum Operating Temperature 60°C
	Depth 70.5mm
	Standards/Approvals UL 508, Lloyd's Register, IEC/EN 60947-1, ABS, IEC/EN 60947-5-1, EMC Directive 2004/108/EC, GOST-R, CCC, Low Voltage Directive 2006/95/EC, DNV, CSA 22.2 No. 14, RINA, IEC/EN 60947-4-1, RoHS Directive 2002/95/EC, CB scheme, CE, cULus
	Supply Voltage 600V

ABB TF42 Series Thermal Overload Relay, 20A Contact Current, 2.6W - 1SAZ721201R1049 TF42-20

The ABB thermal overload relay is a crucial electromechanical protection device designed for the main circuit to safeguard motors against overload and phase failures. This highly reliable relay is an essential component in starter combinations used alongside contactors. With a trip class of 10 and phase loss sensitivity, this relay offers effective protection for motors in a wide range of industrial applications.

Features & Benefits

• Overload protection with a trip class of 10 for optimal motor safety

• Phase loss sensitivity to detect and address phase failures promptly

• Temperature compensation ranging from -25°C to +60°C for reliable performance in varied environments

• Adjustable current setting for personalised overload protection as per motor requirements

• Automatic or manual reset options for added flexibility and convenience

• Trip-free mechanism for ensuring the device operates seamlessly in critical situations

• Status indication feature provides clear visibility on the operational state of the relay

• Direct mounting onto block contactors for easy installation and integration

• Sealable operating elements for enhanced security and protection against tampering

Applications

• Ideal for motor overload protection in industrial automation systems.

• Used in mechanical equipment to prevent damage due to overload conditions.

• Commonly integrated into electrical panels for comprehensive motor protection.

• Suitable for both indoor and outdoor applications in various industrial settings.

• Designed for use with AF Range contactors to ensure seamless operation.

What is the relay for ?

This a thermal overload relay. It’s an economic electromechanical protection device for the main circuit. It offers reliable and fast protection for motors in the event of overload or phase failure.

What are some features of this relay?

This relay has trip class 10, temperature compensation, trip contact (NC), signal contact (NO), automatic- or manual reset selectable, trip-free mechanism, STOP function, and a trip indication

What is the setting range?

The setting range is 16 to 20 A.