Product Code: TF42-24

The TF42-24 thermal overload relay is 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. The device has trip class 10. Further features are the temperature compensation, trip contact (NC), signal contact (NO), automatic- or manual reset selectable, trip-free mechanism, STOP function and a trip indication. The overload relays are connected directly to the block contactors. Single mounting kits are available as accessory.

Current Setting Range (A)	20
Main Circuit Electrical Connection	Screw Connection
No. of Auxiliary Change-over Contacts	1
No. of Normally-closed Auxiliary Contacts	1
No. of Normally-open Auxiliary Contacts	1
Release Class	Class 10
Reset Function	Automatic
Brand	ABB
Auxiliary Contacts	1NO/1NC
Degree of Protection	IP10 (Main Terminals), IP20 (Housing)
Dimensions (mm)	45W x 88.3H x 70.5D
Maximum Operational Voltage AC (V)	690
Mounting Type	Direct Attachment
No. of Poles	3
Pollution Degree	3
Power Loss (W)	1.8/pole
Rated Frequency (Hz)	50/60
Rated Impulse Withstand Voltage (kV)	6
Rated Insulation Voltage (V)	690
Rated Operational Voltage AC (V)	690
Short-Circuit Protective Device	63.0A, fuse type gG
Suitable For	AF09 - AF38
Thermal Current Setting Range (A)	20 - 24
Trip Class	10

Contactors

ABB TF42-24 THERMAL OVERLOAD RELAY 20 ... 24 A TF42-24

Product Code: TF42-24

Technical Specifications

Documents

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