Description
TF42-2.3 Thermal Overload Relay 1.7 … 2.3 A
The TF42-2.3 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 include 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.
Setting Range: 1.7 … 2.3 A
Rated Operational Voltage: Auxiliary Circuit 600 V AC/DC, Main Circuit 690 V AC, Main Circuit 600 V DC
Rated Operational Current (Ie): 2.3 A
Rated Frequency: Auxiliary Circuit 50 Hz, Auxiliary Circuit 60 Hz, Auxiliary Circuit DC, Main Circuit 50 Hz, Main Circuit 60 Hz
Rated Impulse Withstand Voltage (Uimp): Auxiliary Circuit 6 kV, Main Circuit 6 kV
Rated Insulation Voltage (Ui): 690 V
Number of Poles: 3
Number of Auxiliary Contacts NC: 1
Number of Auxiliary Contacts NO: 1
Number of Protected Poles: 3
Conventional Free-air Thermal Current (Ith): Auxiliary Circuit NC 6 A, Auxiliary Circuit NO 4 A
Degree of Protection: IP20
Pollution Degree: 3
Dimensions: Width 4.5 cm, Height 8.83 cm, Depth 7.05 cm
Weight: 0.13 kg
Package Level 1 Dimensions (cm): Width 4.8, Height 9.2, Depth 7.8; Weight 0.145 kg
Package Level 2 Dimensions (cm): Width 28.0, Height 21.0, Depth 39.5; Weight 7.346 kg
Tightening Torque: Auxiliary Circuit 1 … 1.2 N·m, Main Circuit 1.5 … 2.5 N·m
Wire Stripping Length: Auxiliary Circuit 0.9 cm, Main Circuit 1.2 cm
Recommended Screw Driver: Main Circuit Pozidriv 2
Standards: IEC/EN 60947-1, IEC/EN 60947-4-1, IEC/EN 60947-5-1, UL 60947-1, UL 60947-4-1, IEC 60335-2-40 A2L
Customs Tariff Code: 85364900
