Nidec HT20P2BLE - Introducing the Vertical HOLLOSHAFT® High Thrust Motors, designed for reliable and efficient operation in demanding applications. These three-phase, totally enclosed fan cooled (TEFC) motors feature a "P" base and offer premium efficiency. With Class F insulation and Class B temperature rise at full load, they ensure safe and efficient operation. The motors have a 1.15 service factor and can handle a maximum ambient temperature of 40°C at altitudes up to 3,300 feet. Suitable for 230/460-volt applications, they can also be rerated for 208/415-volt, 50 Hertz operation at 1.0 service factor (30 HP and below). Featuring a special balance, 115-volt space heater, and corrosion-resistant mill & chemical duty paint, these motors are designed for longevity and performance.