Kpower DMM150 Servo Motor, 18.0 kg·cm Stall Torque at 6 V, for Robotic Arms and RC Cars

Kpower

$49.00 USD

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Version DMM150

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Overview

The Kpower DMM150 servo motor provides controlled movement for robotic arms, robots, remote-control cars and toys. Its brushed motor, metal gears and semi-aluminum construction suit compact motion-control assemblies, while position feedback and stall protection support control-system integration. Specified stall torque is 15.5 ± 0.20 kg·cm at 4.8 V and 18.0 ± 0.20 kg·cm at 6.0 V, with 120° ± 3° travel.

Features

Wear-resistant metal gears made from copper and aluminum.
Semi-aluminum construction with a 7075 aluminum middle case.
Brushed motor and long-life potentiometer.
Position feedback and stall protection.
PWM, TTL and RS485 interface support; the supplied interface configuration is unspecified.

Specifications

Parameter	DMM150 specification
Motor type	Core; brushed motor
Gear material	Copper + aluminum
Case construction	Semi-aluminum; 7075 aluminum middle case
Signal range	900–2100 μs
Operating temperature	−10 °C to +50 °C
Dead band	5 μs
Travel angle	120° ± 3°
Refresh frequency	50–333 Hz
Dimensions	40 × 20 × 40 mm
Weight	60 g ± 1 g
Wire gauge and insulation	22 AWG PVC

Performance by Test Voltage

Parameter	At 4.8 V	At 6.0 V
No-load speed	0.33 ± 0.01 s/60°	0.28 ± 0.01 s/60°
Stall torque	15.5 ± 0.20 kg·cm	18.0 ± 0.20 kg·cm
No-load current	550 ± 30 mA	650 ± 30 mA
Stall current	2100 ± 40 mA	2500 ± 50 mA

Applications

Robotic arms and robot mechanisms: actuate joints or linkages within the specified 120° ± 3° travel, with position feedback available for control integration.
Remote-control cars: operate steering linkages using the servo's controlled angular travel and metal gear train.
Toys: drive moving mechanisms with a compact 40 × 20 × 40 mm servo assembly.