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MFA 918D100112/1 Gearbox Motor 100:1 4mm Shaft 12-24V

Order Code:  

37-1224

Brand: MFA MPN: 918D100112/1 EAN-13: 5014111918067
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Qty Unit Price (Ex Vat)
1+ £11.68
5+ £9.83
10+ £9.21

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Contact us for lead times on larger quantities
13 in Stock, despatched same dayAdditional quantity lead time 6 weeks

Single ratio metal gearbox with 100:1 gear ratio and 12 to 24V voltage rating, suitable for a host of model and light industrial applications. These gearboxes are constructed from steel and brass and housed in a protective plastic cover which prevents ingress of dust and dirt and protects the user against accidental contact with the gears. The motor is fitted with a bracket with four fixing holes for easy mounting to a flat surface.

A voltage regulator employing pulse width modulation is also available, allowing infinitely variable motor rpm to be set.


  • 1.62W power rating
  • 8400rpm no load speed
  • 6300rpm maximum speed
  • 0.30A load current
  • 25g/cm maximum continuous torque
  • 100g/cm stall torque
  • 25mm diameter, 4mm shaft diameter, 62.5mm long
  • 72g weight
  • MFA/COMO 918D/1 series

Motor data
TypeVoltageMotor output (max. efficency) (W)Torque (max. efficiency) (g.cm)Mftrs. part no.Order Code
15:1 ratio1.5 to 3V1.620918D15137-1085
15:1 ratio12 to 24V1.6225918D1511237-1086
30:1 ratio1.5 to 3V1.620918D30137-1226
30:1 ratio12 to 24V1.6225918D3011237-1228
100:1 ratio1.5 to 3V1.620918D100137-1222
100:1 ratio12 to 24V1.6225918D10011237-1224
250:1 ratio1.5 to 3V1.620918D250137-1087
250:1 ratio12 to 24V1.6225918D25011237-1088
500:1 ratio1.5 to 3V0.4420918D5001/137-1101
500:1 ratio12 to 24V1.6025918D500112/137-1102
1024:1 ratio1.5 to 3V1.620918D1024137-1089
1024:1 ratio12 to 24V1.6225918D102411237-1090

Reduction table (rpm)
TypeVoltageSupply Voltage (1.5V)Supply Voltage (3V)Supply Voltage (6V)Supply Voltage (12V)Supply Voltage (18V)Supply Voltage (24V)
15:1 ratio1.5 to 3V306613----
15:1 ratio12 to 24V--2805608401120
30:1 ratio1.5 to 3V153306----
30:1 ratio12 to 24V--140280420560
100:1 ratio1.5 to 3V4692----
100:1 ratio12 to 24V--4284126168
250:1 ratio1.5 to 3V1837----
250:1 ratio12 to 24V--17345067
500:1 ratio1.5 to 3V815----
500:1 ratio12 to 24V--7.5162533
1024:1 ratio1.5 to 3V4.59----
1024:1 ratio12 to 24V--371115

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