ABB TF42-0.41 Thermal Overload Relay

The TF42-0.41 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 Are The 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. · · · Thermal Overload Relay · · Manual or Auto Reset · · Trip Class 10 · · Its robust design with IEC 60721-3-3 class 3C3 coated printed circuit boards allows to extend machine availability in harsh environmental conditions, for example at ambient temperatures of up to 60°C without the need of additional cooling. · · It incorporates functions suitable for the most common applications, including torque and speed accuracy at very low speed, high dynamic performance with flux vector control without sensor and extended frequency range for high-speed motors.