The Screen Protected Drip Proof (SPDP) are high quality motors in Squirrel Cage and slip ring types. These motors are suitable for all types of industrial drives, mills and pumps. In SPDP motors, the external air is sucked inside through a wire mesh screen by means of a shaft mounted fan. The air suctioned through the louvers traverse along the length of the motor and is expelled at the opposite end through a wire mesh screen. These motors are suitable for 50 Hz, 3-phase supply Robust Steel Frame