Hurst Manufacturing

PA Series Reversible Permanent Magnet Synchronous Motors

REVERSIBLE PERMANENT MAGNET SYNCHRONOUS MOTORS:
PA and PB Series

PA and PB Series motors are available in both direct drive and geared models. At 60Hz, direct drive PA motors have a rotor speed of 300 RPM; PB motors have a rotor speed of 600 RPM. Both models are available with optional high torque rotors. Sleeve bearings are standard, ball bearings may be specified. PA and PB geared motors feature a maximum gear train loading of 200 ounce-inchs at 1 RPM. All motors listed are 115 VAC and require a capacitor.

Dual Speed Models
Mechanical dual speed versions of the PA and PB Series motors are available in the following standard RPM combinations: 3-30, 5-10, 6-12, 18-36, 30-60, and 36-72. Other speed combinations may be specified. Rotation is unidirectional. A choice of clockwise or counter clockwise must be specified. Dimensions are the same as gear reduction models. Maximum gear train loading is 35 ounce-inches for any RPM combination. Click here for gear train construction details.

Selection Table and Drawings

Bold face listings indicate HI-Torque rotor.

Geared Synchronous Motors

Model Part
Number Stock
Item Speed @
Output
Shaft
(rpm) Rated
Torque
(oz-inch) Input
Power
(watts) Capacitor
Value
(mfd) Full Load
Temperature
Rise
(^oC) Weight
(oz)

PA 3232-007 120 20.5 9.5 0.85 42 18