Electromagnetic Contactor (EMC) works for three phases and acts as a three-phase switch for various motors. This is used for operating the auxiliary machines in the locomotives.

Technical Specification:
– Coil Resistance: 20ºC is 550 Ω
– D.C. Supply Voltage at the coil: 68v to 136v DC
– Pickup Voltage: 68v
– Dropout Voltage: 10v
– Contact Force: 950 ± 100 gm
– Aux. Switch: 2 No. / 2 NC
– Aux. Contact Pressure: 80 Gm + 10%
– Dielectric Strength: 2.25 KV in 1 Min.