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Permanent Magnet DC Stepper Motor Family
Series 42mm Geared
Permanent Magnet DC Stepper LSG42 Geared Specifications:
Frame Size: 42mm
Max Torque: 150 oz-in [1059 mN-m]
Step Angle: 7.5°
Position Accuracy: +/- 5% max.
Number of Phases: 4 phase bifilar
Insulation Class: Class A (105°C)
Insulation Resistance: 100 MΩ at 500Vdc
Dielectric Strength: 600 Vac/second
Lead Wire: 6 leads 28AWG (approx. 9 inches [228.6 mm])
Operation Ambient Temp: -10°C to +40°C (approx.)
Temperature Rise: 60°C max
Gear Housing: Die cast housing with hardened steel gears
Note:  Typical data subject to change without notification
LSG42 Geared Drawings:
LSG42 Geared Diagrams:
LSG42 Geared Model Table:
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Model Part
Number
 
Rated
Torque
@
175 p/s
(oz-in)
Rated
Torque
@
175 p/s
(mN-m)
Reduction Nominal
Voltage
(Vdc)
Step
Angle
(deg)
Steps
per
Rev.
Typical
Output
Speed
(RPM)
Input
Power
(watts)
Winding
Res.
(ohms)
Rated
Ind.
(mH)
Rotor
Inertia
(gm-cm2)
Rotor
Inertia
(oz-in2)
Case
Length
(in)
Case
Length
(mm)
Weight
(oz)
Weight
(grams)
LSG42 LSG42012E98P1 150 1059.2 300 12 .025 14400 .73 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
LSG42 LSG42012E96P1 150 1059.2 250 12  .03 12000 .88 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
LSG42 LSG42012E90P1 150 1059.2 150 12 .05 7200 1.46 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
Contact
Factory
LSG42 LSG42012E88P1 150 1059.2 125 12 .06 6000 1.75 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
Contact
Factory 
LSG42 LSG42012E86P1 150 1059.2 120 12 .063 5760 1.82 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
Contact
Factory 
LSG42 LSG42012E84P1 150 1059.2 112.5 12 .067 5400 1.94 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
LSG42 LSG42012E82P1 150 1059.2 100 12 .075 4800 2.19 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
Contact
Factory
LSG42 LSG42012F80P1 150 1059.2 83.33 12 .09 4000 2.63 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
LSG42 LSG42012F78P1 150 1059.2 80 12 .094 3840 2.73 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
LSG42 LSG42012F76P1 150 1059.2 75 12 .1 3600 2.92 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
LSG42 LSG42024F76P1 150 1059.2 75 24 .1 3600 2.92 6.1 190 215 7.2 .0394 .866 22 10.2 289.2
LSG42 LSG42012F70P 138.24 976.2 60 12 .125 2880 3.65 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
                                 
Contact
Factory
LSG42 LSG42012F66P 124.4 878.5 54 12 .139 2592 4.05 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
 
LSG42 LSG42012F64P 115.2 813.5 50 12 .15 2400 4.38 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
Contact
Factory
LSG42 LSG42012F62P 96 677.9 41.67 12 .18 2000 5.25 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
LSG42 LSG42012F60P 92.16 650.8 40 12 .188 1920 5.47 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
LSG42 LSG42012F58P 86.4 610.1 37.5 12 .2 1800 5.83 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
LSG42 LSG42012F56P 76.8 542.3 33.33 12 .225 1600 6.56 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
Contact
Factory 
LSG42 LSG42012F54P 72 508.4 31.25 12 .24 1500 7 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
LSG42 LSG42012F52P 69.12 488.1 30 12 .25 1440 7.29 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
LSG42 LSG42012F50P 57.6 406.7 25 12 .3 1200 8.75 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
Contact
Factory
LSG42 LSG42012F48P 48 339 20.83 12 .36 1000 10.5 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
LSG42 LSG42012F46P 46.08 325.4 20 12 .375 960 10.94 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
 
LSG42 LSG42012E44P 42 296.6 16.67 12 .45 800 13.13 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
LSG42 LSG42012E42P 40.32 284.7 16 12 .469 768 13.67 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
LSG42 LSG42012E40P 37.8 266.9 15 12 .5 720 14.58 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
Contact
 Factory
LSG42 LSG42012E38P 33.6 237.3 13.33 12 .563 640 16.41 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
LSG42 LSG42012E36P 31.5 222.4 12.5 12 .6 600 17.5 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
 
LSG42 LSG42012E34P 30.24 213.5 12 12 .625 576 18.23 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
LSG42 LSG42012E30P 25.2 178 10 12 .75 480 21.88 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
LSG42 LSG42024E30P 25.2 178 10 24 .75 480 21.88 6.1 190 215 7.2 0.394 .866 22 10.2 289.2
LSG42 LSG42012E28P 21 148.3 8.33 12 .9 400 26.25 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
LSG42 LSG42012E24P 18.9 133.5 7.5 12 1 360 29.17 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
Contact
 Factory
LSG42 LSG42012E22P 15.75 111.2 6.25 12 1.2 300 35 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
LSG42 LSG42012E20P 12.6 89 5 12 1.5 240 43.75 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
LSG42 LSG42012E18P 10.5 74.1 4.17 12 1.8 200 52.5 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
Contact
 Factory
LSG42 LSG42012E16P 10.08 71.2 4 12 1.875 192 54.69 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
LSG42 LSG42012E12P 8.4 59.3 3.33 12 2.25 160 65.63 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
 
LSG42 LSG42012E10P 7.56 53.4 3 12 2.5 144 75.92 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
 
LSG42 LSG42012E08P 6.3 44.5 2.5 12 3 120 87.5 5.8 50 33 7.2 .0394 .866 22 10.2 289.2
LSG42 LSG42012E04P 5.04 35.6 2 12 3.75 96 109.38 5.8 50 33 7.2 .0394 .866 22 10.2 289.2





































































































Notes:
1 Maximum Gear Train Loading.
2 Round-Shaped Gear Housing construction.