ABB Thermal Overload Relay 1.7A 2.3A. 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. 1SAZ721201R1031.
Technical
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 (f):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
Rated Operational Current AC-15 (Ie):(120 V) NC 3 A
(120 V) NO 0.5 A
(240 V) NC 3 A
(240 V) NO 0.5 A
(400 V) NC 0.75 A
(400 V) NO 0.5 A
(500 V) NC 0.75 A
(500 V) NO 0.5 A
Rated Operational Current DC-13 (Ie):(125 V) NC 0.55 A