NEMA D Electric Motor Product Description NEMA standard high starting torque, high slip ratio three-phase asynchronous motors (D design) have insulation class F, protection class IP54 (IP55), 1.15 of service factor, 230/460V of the voltage rating, frequency 60Hz, -15 ~ 40 ° C of ambient temperature, altitude does not exceed 3300 feet. The motors are specially suitable for the machines like injection pump that require high starting torque, soft starting features as motive power. This series motors can be made as per customers special requirements. NEMA D Series Center Height of Frame 231T-449T Rated Power 3-150HP Service Factor 1.15 Supply Voltage 230/460V Rate Frequency 60Hz Structure IP54, IP55 Insulation Grade F ELECTRIC MOTOR 10 HP-60 HZ, 900 RPM, NEMA D SERVICE FACTOR 1.15, 460V, PHASE 3, INSULATION CLASS F, BEARING TYPE: BALL BEARING 2Z, DOUBLE SEALED, BEARING BRAND NSK, SHAFT MATERIAL 1045 CARBON STEEL, COLOUR WHITE. ELECTRIC MOTOR 15 HP-60 HZ, 900 RPM, NEMA D, SERVICE FACTOR 1.15, 460V, PHASE 3, INSULATION CLASS F, BEARING TYPE: BALL BEARING 2Z, DOUBLE SEALED, BEARING BRAND NSK, SHAFT MATERIAL 1045 CARBON STEEL, COLOUR WHITE. ELECTRIC MOTOR 20 HP-60 HZ, 900 RPM, NEMA D, SERVICE FACTOR 1.15, 460V, PHASE 3, INSULATION CLASS F, BEARING TYPE: BALL BEARING 2Z, DOUBLE SEALED, BEARING BRAND NSK, SHAFT MATERIAL 1045 CARBON STEEL, COLOUR WHITE. ELECTRIC MOTOR 30 HP-60 HZ, 900 RPM, NEMA D, SERVICE FACTOR 1.15, 460V, PHASE 3, INSULATION CLASS F, BEARING TYPE: BALL BEARING 2Z, DOUBLE SEALED, BEARING BRAND NSK, SHAFT MATERIAL 1045 CARBON STEEL, COLOUR WHITE.