For C face explosion proof motors, “C face” refers to the installation type. It is a kind of flange to fit the flange of the driven equipment.
Our C face explosion proof motors are NEMA B designed. The position of the terminal box is at left hand side (viewing from driving end). Full series of motors from 140 to 440 frame size can all be equipped with C face.
●1 HP to 250 HP
●143-449 frame size
●3600, 1800 or 1200 RPM @ 60Hz
●NEMA design B
●Class F insulation with B rise @ 1.0 SF
●Service factor is 1.15
●3 phase, 208/230/460V and 575V @ 60Hz; 380V and 415V @ 50Hz
●NEMA premium efficiency standards
●Maximum ambient temp. 55℃
●Altitude up to 3300 feet (1000m)
●Class 1, division 1, group C and D; Class II, division 1, group E, F and G; Temperature Code T3C