32mm 12V Low Noise Precious Metal Palladium Brush Micro DC Motor KC-RF-500TB

Technical Summary
KC-RF-500TB
Micro DC Motor — Optimized for precise integration and durable operation
Motor Type
Pure Micro DC Motor
Rated Voltage
12 V DC
Frame Diameter
31.8 mm
Body Length
19.5 mm
Shaft Diameter
2.0 mm
Commutation
Palladium Brush
✓ Custom samples: 10-20 days
✓ Bulk order pricing available
✓ ISO 9001, CE & RoHS Compliant
Applications: Smart locks, electronic valve controls, automatic sprayers, office automation equipment, CD/DVD players, small home appliances, automotive electronic components, cosmetic instruments, and precision medical devices.
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KC-RF-500TB Micro DC Motor Performance Specifications

Parameter Specification
Rated Voltage 12.0 V DC
Free-load Speed 4500 ± 10% rpm
Free-load Current ≤ 35 mA
Rated Speed 3800 ± 10% rpm
Rated Current ≤ 130 mA
Rated Load 20 g·cm
Stall Current ≤ 700 mA
Starting Torque ≥ 135 g·cm
Noise Level Max 50 dB
Direction of Rotation Clockwise viewed from shaft end (CW)

KC-RF-500TB Micro DC Motor Mechanical & Structural Specifications

Parameter Specification
Driving Motor Model RF-500TB
Outer Diameter Ø 31.8 ± 0.1 mm
Mounting Hole Configuration 2 × M2 threaded holes, 45° distributed
Magnetizing Structure Segment magnet
Electrical Suppression Integrated ring varistor
Brush Material Precious metal palladium brush
Structural Process Requirements Positive terminal red dot mark; stainless steel retaining plate installed in end cap bearing chamber with pressed steel sleeve

KC-RF-500TB Technical Outline Drawing

KC-RF-500TB micro DC motor technical 2D drawing showing 2-M2 mounting holes and 22 mm pitch specifications.

KC-RF-500TB Micro DC Motor Technical 2D Dimensions

Custom Motor Performance Advantages

  • Optimized Speed Output: Delivers 4500 rpm free-load and 3800 rpm rated speed for stable velocity control
  • High Starting Torque: Provides ≥ 135 g·cm starting torque to handle initial inertial loads efficiently
  • Durable Commutation: Precious metal palladium brushes ensure long-term stability and precise conductivity
  • Advanced Noise Suppression: Integrated ring varistor minimizes electrical interference, maintaining noise levels below 50 dB
  • Precise Structural Alignment: Features a stainless steel retaining plate and pressed steel sleeve in the bearing chamber for enhanced mechanical alignment
  • Compatible Installation: Standard Ø 31.8 mm outer diameter with 2-M2 mounting holes ensures seamless integration into industrial assemblies
Key Search Terms
500 motor | 12V DC motor | RF-500TB motor | micro DC motor | 32mm micro DC motor | 12V 4500rpm DC motor | low noise 500 motor | palladium brush motor | 12V micro motor with varistor | CW rotation 500 DC motor

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