DC motor RS-3650CS series

brushed100 V...240 Vfor hair dryers

Product overview
RS-3650CS is a 36 mm class brushed DC motor (HVDC) designed for small household and personal-care appliances. When used with a rectifier bridge it supports 100–240V DC input from mains, enabling compact high-voltage DC designs. The series reaches up to 18,000 rpm and up to 34 W output, offering high starting torque in a compact form factor (approx. Ø36 mm × 50 mm).

Key facts for engineering buyers

• Product category: Brushed DC motors
• Motor family: HVDC brushed DC motor, 36 mm class
• Brand / manufacturer: KWC Motor, Dongguan KWC Machinery Co., Ltd.
• Typical applications: Hair dryers, domestic sewing machines, handheld vacuum cleaners, handheld blenders, other small household appliances

Specification signals

• Diameter: Ø36 mm
• Voltage: 100V–240V (series supports customization to 100V–120V / 100V–220V / 100V–240V)
• Speed: Up to 18,000 rpm (model-dependent)
• Output power: Up to 34 W (model-dependent)

Customization and sourcing notes
KWC Motor supports OEM/ODM customization of electrical and mechanical parameters. Price and lead time depend on confirmed specifications, quantities and customization details.

• Voltage, speed and torque can be tailored to target mains standards (110V / 120V / 220V / 230V).
• Shaft options: knurled shafts, custom diameters, integrated gear assemblies.
• Cable and connector options, gearbox integration and control interface customization available.
• EMC / noise mitigation: spark suppressors, capacitors and other measures available to meet EMC and safety targets.
• Typical mechanical note: shaft diameter 3.175 mm typical; nominal motor length ~50 mm; winding parameters adjustable per mains standard.

Core applications & solutions
Hair dryers & personal care
Designed for household hair dryers and hot-air brushes. Example: RS-3650CS-12120 can deliver up to 18,000 rpm and 34 W, enabling strong airflow in HV designs when paired with appropriate rectification.

Sewing machines & kitchen appliances
Used in domestic sewing machines, handheld blenders and vacuum cleaners. High-voltage variants provide high starting torque and fast dynamic response for appliances requiring immediate power.

Technical specifications (datasheet summary)
Model | Operating Voltage Range | Nominal Voltage | No-Load Speed | Speed at Max Efficiency | Output Power | Stall Torque
RS-3650CS-09220 | 100V – 120V | 110V | 8,200 rpm | 6,460 rpm | 6.63 W | 471 g·cm
RS-3650CS-12120 | 100V – 120V | 120V | 18,000 rpm | 15,270 rpm | 34.20 W | 1,440 g·cm
RS-3650CS-08250 | 100V – 220V | 220V | 15,000 rpm | 12,800 rpm | 24.00 W | 1,250 g·cm
RS-3650CS-06450 | 100V – 240V | 230V | 8,500 rpm | 6,700 rpm | 9.30 W | 638 g·cm

Characteristics / technical specifications

• Model / series: RS-3650CS
• Diameter: ≈ 36 mm
• Typical motor length: ≈ 50 mm
• Operating voltage range: 100V–240V (model-dependent)
• Nominal voltages available: 110V, 120V, 220V, 230V (model-dependent)
• No-load speeds (examples): 8,200 rpm to 18,000 rpm
• Speed at max efficiency (examples): 6,460 rpm to 15,270 rpm
• Output power (examples): 6.63 W, 9.30 W, 24.00 W, 34.20 W
• Stall torque (examples): 471 g·cm to 1,440 g·cm
• Shaft diameter (typical): 3.175 mm (customizable)
• Classification: High-voltage brushed DC motor (HVDC) for use with rectifier bridge
• Typical applications: hair dryers, hot-air brushes, domestic sewing machines, handheld vacuum cleaners, handheld blenders
• Customization options: winding changes, speed/torque tuning, shaft modifications, connectors/cables, gearboxes, EMC/noise suppression
• Safety & quality: 100% high-voltage insulation (Hi-Pot) testing; RoHS / REACH compliant
• Expected brush life (typical): ~200–500 hours depending on load and duty cycle