MIL-PRF-62361E
3.3.1.1 Rotation of output shaft. The shaft rotation as viewed from the shaft end shall be
in a counterclockwise (CCW) direction with positive voltage applied to the plus (+) terminal of
the filter. Reversing lead polarity shall reverse shaft rotation (see 4.5.1).
3.3.1.2 Speed and current. At rated torque, the type I and type II motors shall run at not
less than the rated speed. For type I and II motors, the starting current shall not exceed
1.5 amperes (A), and running current shall not exceed 0.25 A dc (see 4.5.2). Type III motors
shall meet the following requirements.
3.3.1.2.1 Type III speed. The type III motor shall have a speed of 6 +5/-3 rpm in either
direction of travel (see 4.5.3).
3.3.1.2.2 Type III starting current. The type III motor shall require no more than
700 milliampere (mA) of starting current with a 1.13 N-m load in either direction of travel. The
type III motor shall have an electrical time constant of no longer than 1.0 milliseconds (ms)
(see 4.5.4).
3.3.1.2.3 Type III torque. The type III motor with 300 mA of supplied current shall
produce no more than 2.26 N-m and no less than 1.13 N-m load speed to stall in either direction
of travel (see 4.5.5).
3.3.1.3 Type I and type II driving and slipping torque. The output shaft shall transmit
rated speed in either direction of rotation at torque values up to the driving torque. At resisting
torques above the driving torque for type I and type II motors, the output shaft shall begin to slip
via an integral clutch at a value between driving and slipping torques. When torque reduces to
the driving torque value, the integral clutch shall transmit the input torque without slippage
(see 4.5.6).
3.3.1.4 Operating voltage. Type I and type II motors shall meet the requirements of
3.3.1.2, 3.3.1.3, and 3.3.1.6 with applied voltages between 18 and 30 V dc except that starting
and operating currents shall not exceed 1.9 and 0.31 A respectively, and speed shall be not less
than 1.5 rpm for type I motors or 6 rpm for type II motors (see 4.5.7).
3.3.1.5 Plug reversal. Type I and II motors shall perform in accordance with 3.3.1.3
after having been stopped from rated speed by plug reversal of an applied 30 ± 0.1 V dc. For
type III motors, plug reversal voltage shall be 18 ± 0.1 V dc and performance shall be in
accordance with 3.3.1.2. The plug reversal circuit shall conform to the following requirements
(see 4.5.8).
a. Resistance of switching circuit. The resistance of a circuit shall not exceed
0.6 ohm, excluding the motor.
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