12mm DC N20 Motor with Encoder and 90mm Lead Screw Shaft 3V 6V 12V 6-Wire KC-GM12-N20

Technical Specification
KC-GM12-N20
DC Gear Motor with Encoder — Designed for precise position control and durable torque output
Motor Type
N20 Micro DC Motor
Gearbox Type
Precision Spur Reduction
Rated Voltage
3.0V / 6.0V / 12.0V DC
Encoder Type
Magnetic (3 PPR / 7 PPR)
Shaft Configuration
90.0mm Lead Screw + Coupling
Wiring Interface
6-Wire Lead Configuration
✓ Custom samples: 10-20 days
✓ Bulk order pricing available
✓ ISO 9001, CE & RoHS Compliant
Applications: Automated valve actuators, Electric smart door locks, Micro linear positioning stages, Medical syringe pumps, Optical lens adjustment mechanisms, Precision dosing equipment, Laboratory automation devices, Robotic gripper actuators.
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KC-GM12-N20 N20 Motor with Encoder Electrical Specifications

Comprehensive electrical operating parameters, voltage input options, insulation strength ratings, and magnetic encoder signal interface specifications for industrial motion control applications
Electrical Parameter Engineering Specification
Model Designation KC-GM12-N20
Motor Architecture Type N20 micro DC gear motor integrated with magnetic encoder
Nominal Operating Voltage Options 3.0 V DC, 6.0 V DC, 12.0 V DC (customizable voltage configurations available)
No-Load Current Consumption ≤ 60 mA at 3.0 V DC, ≤ 50 mA at 6.0 V DC, ≤ 40 mA at 12.0 V DC
Full-Load Operating Current ≤ 150 mA ref. across standard load operations
Encoder Sensing Technology Dual-channel magnetic hall-effect encoder sensor assembly
Encoder Output Resolution 3 PPR or 7 PPR selectable options per channel (quadrature signal output)
Encoder Sensor Supply Voltage 3.3 V DC to 5.0 V DC supply to encoder sensor board
Wiring Terminal Harness 6-wire integrated interface (motor power ±, encoder VCC, GND, Channel A, Channel B)
Insulation Resistance Level More than 10 MΩ at 250 V DC test voltage
Dielectric Withstand Voltage 250 V AC for 1 s duration
Operating Temperature Range −10 °C to +60 °C continuous duty cycle

KC-GM12-N20 Mechanical and Gearbox Parameters

Physical envelope dimensions, gearbox housing layout, lead screw transmission specs, and material construction details
Mechanical Parameter Engineering Specification
Motor Outer Diameter 12.0 mm precision cylindrical body
Motor Main Body Length 15.2 mm housing length
Gearbox Cross-Section Dimensions 12.0 mm × 10.0 mm rectangular profile
Gearbox Housing Length 9.0 mm axial length
Output Shaft Mechanism M4 threaded lead screw integrated via precision rigid coupling
Lead Screw Shaft Length 90.0 mm effective thread length (including rigid coupling connection)
Shaft Thread Profile M4 standard metric screw thread pitch
Gear Reduction Mechanism All-metal spur gear reduction system
Shaft End Play Tolerance ≤ 0.30 mm maximum axial clearance
Gearbox Construction Materials High-precision brass plates, stainless steel lead screw, copper alloy sleeve bearings

KC-GM12-N20 Mechanical Outline Dimensions

Technical 2D engineering drawing detailing M4 90.0 mm threaded shaft, gearbox geometry, and magnetic encoder PCB alignment

KC-GM12-N20 N20 Motor with Encoder Technical 2D Drawing showing M4 90 mm threaded shaft dimensions.

KC-GM12-N20 Micro Gear Motor – Technical 2D Drawing detailing 90.0 mm M4 Threaded Shaft and Integrated Hall Encoder Interface

KC-GM12-N20 Engineering Performance Advantages

  • Direct linear motion driving integration: Built-in standard M4 threaded lead screw with an extended 90.0 mm functional length enables direct axial force transmission, eliminating the need for external secondary coupling mechanisms and reducing total mechanical assembly tolerance stack-up.
  • High-precision closed-loop feedback sensing: Dual-channel magnetic hall-effect encoder offering selectable 3 PPR or 7 PPR native resolution ensures continuous, real-time speed monitoring and positional tracking required for automated closed-loop electronic control units.
  • Optimized micro power density profile: Featuring a 12.0 mm diameter cylindrical motor body coupled to a 12.0 mm × 10.0 mm × 9.0 mm spur gearbox structure, this drive assembly delivers reliable torque transmission within highly restricted mechanical installation space.
  • Broad voltage engineering compatibility: Engineered for standard operational supply voltages of 3.0 V DC, 6.0 V DC, and 12.0 V DC, allowing simple power system design and driver board integration across diverse industrial automation platforms.
  • Durable metallic drive train architecture: Constructed with high-strength brass mounting plates, all-metal spur gears, and a hardened stainless steel lead screw, providing robust structural integrity and prolonged operational reliability under dynamic mechanical loads.
  • Structured 6-wire connector interface: Pre-wired harness configuration isolates DC motor drive power lines from sensitive hall sensor logic lines, preventing electromagnetic crosstalk and simplifying wiring installation during OEM system integration.
  • Tailored OEM and ODM fabrication capability: Comprehensive technical customization options available for lead screw length, thread pitch specifications, custom gear reduction ratios, coil winding inductance, and specialized coupling adapters to match precise enterprise requirements.

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