ABB Thermal Overload Relay 3.10-4.20A TF42-4.20

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 indication.
• NO signal contact.
• Temperature compensation.
• Automatic or manual reset with selectable option.
• Trip-free mechanism.
• STOP function.

Features:

• Rated operating current: 4.2A.
• Adjustment range: 3.10 ... 4.20A.
• Number of poles: 3.
• Number of protected poles: 3.
• Number of NC auxiliary contacts: 1.
• Number of NO auxiliary contacts: 1.
• Suitable for switches: AF09, AF12, AF16, AF26, AF30, AF38.
• Rated operational 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.