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GM37-BL3650 Brushless DC Gear Motor| 12-24V

Dhs. 196.00 AED
Dhs. 196.00 AED
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37mm Brushless DC Gear Motor, 12V, 1:6 Gear Ratio, with PWM Speed Knob

24V Brushless Motor Kit, with Mounting Bracket & Speed Controller, for Automation

Product Overview

The CHR-GM37-BL3650 brushless DC gear motor is a compact, high-efficiency motor designed for continuous operation in automation and robotics projects. It features built-in PWM speed control, reversible direction, and multiple gear ratios, making it ideal for electric doors, PTZ cameras, and industrial equipment.

Key Features

  • Built-in PWM Speed Control: Sealed potentiometer knob offers stepless speed adjustment (10%~ duty cycle), compatible with 10-50KHz PWM signals.
  • Dual-Voltage Compatibility: Supports DC 12-24V operation, with optimized performance at both voltages.
  • Multiple Gear Ratios: Choose from 1:6 to 1:810 to customize speed and torque for your project.
  • Reversible Direction: Simple wiring control for clockwise/counterclockwise operation.
  • Durable Construction: 37mm diameter body, 6mm D-shaped shaft, and brushless design for long service life.
  • Optional Mounting Bracket: Available with a bracket for easy installation in fixed applications.

Specifications (CHR-GM37-BL3650)

  • Model: CHR-GM37-BL3650
  • Brand: ChiHai Motor
  • Rated Voltage: DC 12V / 24V (12-24V compatible)
  • Motor Type: Brushless DC Gear Motor
  • Gear Ratios: 1:6, 1:10, 1:18, 1:30, 1:50, 1:90, 1:150, 1:260, 1:450, 1:810
  • Output Shaft: 6mm D-shaped shaft, 21mm length (12mm D-cut)
  • Outer Diameter: 37mm
  • Weight: Approx. 290g (varies by gear ratio)
  • Special Note: This model does NOT include an FG speed signal output.

Available Configurations

  • Motor Only
  • Motor + Mounting Bracket

Applications

Perfect for robots, machinery, electric curtains, automatic doors, rotating equipment, PTZ cameras, and other projects requiring continuous, adjustable-speed motion control.

Wiring Guide:

  • Red: Power Positive (+)
  • Black 1: Power Negative (-)
  • White: Direction Control (reverse when connected to negative)
  • Blue: PWM Speed Control (0~5V input)
  • Yellow: 5V Output from Motor Driver
  • Black 2: PWM Ground

DATA SHEET

Attribute Value
Product Type Brushless DC Gear Motor
Model CHR-GM37-BL3650
Brand ChiHai Motor
Rated Voltage DC 12V / 24V
Motor Type Brushless DC Motor
Gear Ratios 1:6 to 1:810
Output Shaft 6mm D-shaped shaft, 21mm length
Outer Diameter 37mm
Control Features Built-in PWM Speed Control, Reversible
Optional Accessories Mounting Bracket
Applications Robots, Automatic Doors, PTZ Cameras, Industrial Equipment

 

General Parameters

Parameter Details
Model GM37-BLDC3650 Brushless DC Gear Motor
Max Allowable Load 35.0 kg·cm / 3.5 N·m (exceeding this may damage gears)

 

DC 24.0V Operation

Gear Ratio 1:6.3 1:10 1:18.8 1:30 1:50 1:90 1:150 1:260 1:450 1:650 1:810
No-Load Current (mA) ≤320 ≤320 ≤320 ≤320 ≤320 ≤320 ≤320 ≤320 ≤320 ≤320 ≤320
No-Load Speed (rpm) 1300 830 425 270 165 90 55 30 18 12.5 10.2
Rated Torque (kg·cm) 1.5 2.5 4.5 7 12 22 — — — — —
Rated Torque (mN·m) 14.7 24.5 441.2 68.6 117.6 215.7 — — — — —
Rated Speed (rpm) 1070 670 355 225 135 75 45 27.5 17 12 9.8
Rated Current (A) ≤1.1 ≤1.1 ≤1.1 ≤1.1 ≤1.1 ≤1.1 ≤1.1 ≤0.6 ≤0.5 ≤0.4 ≤0.4
Over-Current Protection (A) 3 3 3 3 3 3 3 3 3 3 3
Gearbox Length (L, mm) 19 19 21.5 21.5 24 24 26.5 26.5 29 29 29

 

DC 12.0V Operation

Parameter 1:6.3 1:10 1:18.8 1:30 1:50 1:90 1:150 1:260 1:450 1:650 1:810
No-Load Current (mA) ≤200 ≤200 ≤200 ≤200 ≤200 ≤200 ≤200 ≤200 ≤200 ≤200 ≤200
No-Load Speed (rpm) 650 415 215 135 82 45 27 15 9 6.3 5.2
Rated Torque (kg·cm) 0.8 1.2 2.2 3.5 6 11 18 32 — — —
Rated Torque (mN·m) 530 335 215.7 112 59 215.7 215.7 215.7 — — —
Rated Speed (rpm) 530 335 178 112 67.5 37 23 13 7.5 5.5 4.5
Rated Current (A) ≤0.85 ≤0.85 ≤0.85 ≤0.85 ≤0.85 ≤0.85 ≤0.85 ≤0.85 ≤0.85 ≤0.85 ≤0.85
Over-Current Protection (A) 3 3 3 3 3 3 3 3 3 3 3
Gearbox Length (L, mm) 19 19 21.5 21.5 24 24 26.5 26.5 29 29 29

Care Instructions

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