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GM12

Geared DC Motor

Home Products Motors Geared DC GM12

VDR interference suppression on the collector
Precious metal brushes (Au-Ag-Cu)
Direction of rotation depending on polarity
Can be mounted in any position
Maximum radial shaft load: 20N
Maximum axial shaft load: 5N
Temperature range: -20 °C/60 °C
Approx weight: 90g

GM12-Motor
Type Nominal Voltage L Ratio To:1 Nominal Torque Speed Current
No Load At Nominal Torque No Load At Nominal Torque
v mm Ncm rpm mA
GM12 12 6 6 40 12.25 1.5 220 155 <30 100
GM12 12 12 12 40 12.25 1.5 220 155 <30 55
GM12 21 6 6 40 21.14 2.5 125 85 <30 100
GM12 21 12 12 40 21.14 2.5 125 85 <30 55
GM12 36 6 6 40 35.73 4 73 53 <30 95
GM12 36 12 12 40 35.73 4 73 53 <30 50
GM12 72 6 6 40 71.54 7 37 28 <30 95
GM12 72 12 12 40 71.54 7 37 28 <30 50
GM12 149 6 6 40 149.05 14 18 13 <30 95
GM12 149 12 12 40 149.05 14 18 13 <30 50
GM12 208 6 6 40 208.66 20 13 9 <30 95
GM12 208 12 12 40 208.66 20 13 9 <30 50
GM12 608 6 6 40 608.61 50 4.3 3.3 <30 90
GM12 608 12 12 40 608.61 50 4.3 3.3 <30 48
GM12 1470 6 6 40 1470.82 50 1.8 1.6 <30 58
GM12 1470 12 12 40 1470.82 50 1.8 1.6 <30 30

GM12 – Compact DC Gear Motor with Precious Metal Brushes

The GM12 series by Amironic is designed for applications requiring high reliability, precision, and long service life in a compact footprint. Featuring precious metal brushes (Au-Ag-Cu), the GM12 delivers superior conductivity, reduced wear, and improved performance in sensitive environments.

Technical Features

  • Nominal Voltage: 12V – available gear ratios from 1:6 up to 1:1470

  • Gear Ratios: 6:1 to 1470:1

  • Nominal Torque: up to 50 Ncm

  • Speed Range: ~220 rpm (no load) down to ~1.6 rpm at higher ratios

  • Brush Type: Precious metal (Gold-Silver-Copper) for improved contact and durability

  • Interference Suppression: VDR on collector

  • Load Capacity:

    • Radial load up to 20N

    • Axial load up to 5N

  • Mounting Position: Any orientation

  • Operating Temperature: –20°C to +60°C

  • Weight: approx. 90 g

Applications of GM12

With its compact size and use of precious metal brushes, the GM12 DC gear motor is well-suited for applications that demand high electrical precision and long-lasting reliability, such as:

  • Medical Devices – miniature pumps, portable instruments, and rehabilitation systems.

  • Miniature Robotics – small robotic actuators, drive systems, and control modules.

  • Precision Electronics – optical equipment, electronic locks, and fine control mechanisms.

  • Light Industrial Automation – dosing systems, compact conveyors, and automated instruments.

  • Smart Consumer Products – home automation, portable gadgets, and smart devices.