The ABB T42 thermal overload relay offers reliable and quick protection for motors in cases of overload or phase failure. It is compatible with switches AF09, AF12, AF16, AF26, AF30, and AF38.

• Reliable and quick protection
• Suitable for various switches
• Trip class 10 with NC contact and indicator
• NO signal contact
• Temperature compensation
• Automatic or manual reset with selectable option
• Trip-free mechanism
• STOP function

• Rated operating current: 2.3A
• Adjustment range: 1.70 ... 2.30A
• Number of poles: 3
• Number of protected poles: 3
• Number of auxiliary NC contacts: 1
• Number of auxiliary NO contacts: 1
• Rated operating voltage: Auxiliary circuit 600 V AC/DC
• Main circuit 690 V AC
• Main circuit 600 V DC
• Rated impulse withstand voltage (U imp): Auxiliary circuit 6 kV
• Main circuit 6 kV