3TF3400-0A 3-phase IEC rated contactor used for the control of electric motors. Power contactors are suitable for switching and controlling squirrel cage and slip-ring motors as well as other AC loads, such as solenoids, capacitors, lighting loads,heating loads and transformer loads. Contactors conform to IS/IEC 60947-4-1. Contactor can be mounted on 35mm DIN and they are also suitable for screw mounting (9-38A – DIN / Screw mounting and 45-475A – Screw mounting). Contactors are suitable for operation in service temperature upto 55°C without derating. This avoids selection of higher rated contactor.