products stepper motors pm stepper motors pm20 series

PM20 Series

Specifications:

0.790 in Frame Size
18° Step Angle
12 Rated Voltage
0.21 to 0.43 A/Phase

Models

Model #	Frame size	Body length	Step Angle	Rated voltage	Rated amperage	Holding torque	Inertia, oz-in²	Weight, lbs	Availability
PM20S-180-021	0.790 in	0.560 in	18°	12 VDC	0.21 AMP/Phase	1.18 oz-in	0.001 oz-in²	0.05 lbs	online
PM20S-180-033	0.790 in	0.560 in	18°	12 VDC	0.33 AMP/Phase	1.18 oz-in	0.001 oz-in²	0.05 lbs	online
PM20L-180-025	0.790 in	0.760 in	18°	12 VDC	0.25 AMP/Phase	1.67 oz-in	0.002 oz-in²	0.06 lbs	online
PM20L-180-043	0.790 in	0.760 in	18°	12 VDC	0.43 AMP/Phase	1.67 oz-in	0.002 oz-in²	0.06 lbs	online

Torque Curves

Pull Out
Pull In

Speed

Pull Out
Pull In

Speed

Pull Out
Pull In

Speed

Pull Out
Pull In

Speed

Target Torque (oz-in)

Target Speed

Supplied Voltage (VDC)

Supplied Max Current (AMP)

Dimensions

Model	DIM. A (length) in
PM20S-180-021	0.560 in
PM20S-180-033	0.560 in
PM20L-180-025	0.760 in
PM20L-180-043	0.760 in

Operating Specifications

Radial Shaft Loading	1.12 lbs
Axial Shaft Loading	0.22 lbs
Radial Shaft Play	0.002 in
Axial Shaft Play	0.024 in
Insulation Rating	Class B
Ambient Temperature Rating	-4 ° to 122 °F
Storage Temperature Rating	-22 ° to 158 °F
Humidity Range	15 - 85% RH

Downloads

PM20 3D Models (ZIP)

Download

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