The ABB T42 thermal overload relay is a reliable and fast protection system for motors in case of overload or phase failure. It is suitable for switches AF09, AF12, AF16, AF26, AF30, and AF38.

Advantages:

• Reliable and fast 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.

Specifications:

• Nominal operating current: 24.0A.
• Adjustment range: 20.0 ... 24.0A.
• Number of poles: 3.
• Number of protected poles: 3.
• Number of auxiliary NC contacts: 1.
• Number of auxiliary NO contacts: 1.
• Nominal operating voltage: Auxiliary circuit 600 V AC/DC, Main circuit 690 V AC, Main circuit 600 V DC.
• Nominal impulse voltage withstand (U imp): Auxiliary circuit 6 kV, Main circuit 6 kV.