Small DC Motor 050 Brushed Series With Starter Gear, 3V 6V and 12V
Related Product Documents & Downloads
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| KC-FF-050SH-36-5.0V 5V 050 Brushed DC Motor Drawing & Performance Curve | PDF · English · 199 KB |
Small DC Motor 050SH With Metal Starter Gear
The KC-050SH series is a small dc motor based on the 050 brushed motor platform and supplied with a pre-installed metal starter gear. Three winding versions support 3 V, 6 V, and 12 V power systems, providing different speed and current characteristics for equipment designers selecting a motor for an existing mechanical transmission.
Unlike a complete reduction gearmotor, this 050 motor transfers its high-speed brushed DC output through the starter gear into a mating gear train designed by the equipment manufacturer. This structure is suited to projects where the downstream reduction ratio, gear geometry, and installation layout are controlled within the final assembly.
050 Brushed DC Motor General Specifications
| Parameter | Specification |
|---|---|
| Product Type | 050 brushed DC motor with starter gear |
| Motor Series | KC-050SH |
| Model Variants | KC-050SH-1496, KC-050SH-1766, KC-050SH-12130 |
| Rated Voltage Options | 3 V DC, 6 V DC, 12 V DC |
| Gear Material | Metal |
| Output Interface | Pre-installed starter gear for mating transmission |
KC-050SH 050 Motor Performance Data
| Model | Voltage | No-Load Speed | No-Load Current | Max-Efficiency Speed | Max-Efficiency Torque | Max-Efficiency Current | Output Power | Stall Torque | Stall Current |
|---|---|---|---|---|---|---|---|---|---|
| KC-050SH-1496 | 3 V DC | 6 500 rpm | 68 mA | 5 500 rpm | 5 g·cm | 198 mA | 0.594 W | 32.5 g·cm | 0.83 A |
| KC-050SH-1766 | 6 V DC | 20 000 rpm | 140 mA | 18 000 rpm | 5 g·cm | 360 mA | 2.16 W | 45 g·cm | 3.4 A |
| KC-050SH-12130 | 12 V DC | 20 400 rpm | 80 mA | 19 400 rpm | 5 g·cm | 175 mA | 2.1 W | 102 g·cm | 1.91 A |
Engineering Selection Notes
The 3 V winding provides the lowest no-load speed in the series, while the 6 V and 12 V versions are configured for substantially higher rotational speed. Motor selection should consider the available supply voltage, expected operating load, allowable current, and the reduction provided by the mating gear train rather than no-load speed alone.
KC-050SH Small DC Motor Dimensions

Performance Advantages
Three Voltage Configurations
Separate 3 V, 6 V, and 12 V windings allow the motor electrical characteristics to be matched to different control and power architectures.
Integrated Metal Starter Gear
The pre-installed metal gear provides a defined interface for equipment that transfers motor rotation into its own reduction or transmission stage.
High-Speed Motor Options
The higher-voltage variants support high rotational speeds before the downstream gear train establishes the required output speed and torque.
Defined Load Reference
Maximum-efficiency and stall data provide engineers with reference points for evaluating current demand, load margin, and transmission requirements.
Payment
- Payment Methods:
PayPal or bank transfer can be arranged according to the confirmed order terms. - Order Reference:
The applicable amount, product configuration, and payment information are confirmed in the quotation or proforma invoice. - Custom Requirements:
Any project-specific engineering or sample charges, when applicable, are confirmed before payment.
Shipping
- Shipping Method:
The shipping service is selected according to destination, shipment size, and the delivery terms agreed for the order. - Dispatch Schedule:
The applicable production and dispatch schedule is stated in the order confirmation for the selected KC-050SH configuration. - Transit Information:
Transit time is confirmed separately according to destination and the selected transportation service. - Shipping Documents:
Required shipment documentation is confirmed with the buyer according to the order and destination requirements.
KC-050SH Product FAQ
Q: Is the KC-050SH a complete DC gear motor?
A: No. It is a 050 brushed motor with starter gear. The metal starter gear is intended to engage with a mating transmission or reduction stage in the customer’s equipment.
Q: How Should I Choose Between The 3 V, 6 V, And 12 V Versions?
A: Start with the available supply voltage, then compare the required rotational speed, operating current, load condition, and reduction ratio of the downstream mechanism. The three windings have different electrical and speed characteristics.
Q: Why Should Maximum-Efficiency Data Be Considered Instead Of Only No-Load Speed?
A: No-load speed describes operation without useful mechanical load. The maximum-efficiency operating point provides a more practical reference when evaluating expected current, torque demand, and transmission loading.
Q: What Information Is Useful For An OEM Motor Evaluation?
A: Provide the supply voltage, target operating speed, expected load torque, duty conditions, mating gear information, available installation space, and any mechanical interface constraints.
Q: What Should Be Checked Before Replacing Another 050SH Motor?
A: Verify voltage, winding performance, body dimensions, shaft position, starter gear geometry, gear engagement, mounting clearance, and the electrical load requirements of the existing mechanism.






