Drop-in replacement kit for the heavy duty GE DS303B series of DC contactors that is used in many railway applications, such as HVAC equipment and motor control. Our replacement kit includes a contactor, mounting plate and associated hardware. The Schaltbau C195 contactor included in this kit is rated at 1,200V, can handle currents up to 250A and is available with coil voltages of 24, 36, 48, 72 or 110V DC.