DC motor RS-3650SS series

brushed48 V2.4 V

Product Overview
RS-3650SS is a 36 mm brushed DC motor with a 50 mm body length (540/550 class) manufactured by KWC Motor, Dongguan KWC Machinery Co., Ltd. It supports a wide voltage range and is typically used in handheld vacuum cleaners, air/water pumps and RC vehicles and boats. Typical performance spans low-speed high-torque variants to high-speed variants up to ~29,500 rpm and up to 52 W output.

Key Facts for Engineering Buyers

• Product category: Brushed DC Motors
• Motor family: Brushed DC Motor
• Brand / manufacturer: KWC Motor, Dongguan KWC Machinery Co., Ltd.
• Typical applications: handheld vacuum cleaners, air/water pumps, portable inflators, RC cars/boats and underwater thrusters

Specification Signals

• Diameter: 36 mm
• Body length: 50 mm (standard for RS-3650SS variants)
• Voltage: 2.4V–48V (model-dependent, wide range; deep customization available)
• Speed: up to ~30,000 rpm depending on model and voltage
• Output power: up to ~52 W

Customization and Sourcing Notes
KWC Motor supports OEM/ODM customization of voltage, speed, torque, shaft design, cable/connector options, gearbox integration, control requirements and EMC/noise targets. Pricing and lead times are provided after confirming application, specs, quantity and custom requirements. Custom windings and performance tuning are available across the wide voltage range.

Target Applications & Solutions

• General pumps and valves or consumer and RC applications where a 36 mm motor form factor is required
• RC models: suitable for RC cars, RC boats and underwater thrusters; e.g. RS-36503SS-6032 reaches ~29,500 rpm with >50 W output
• Air/water pumps & vacuum cleaners: used in portable inflators, diaphragm pumps and handheld vacuum cleaners; 50 mm stator length enables higher torque to maintain speed under load

RS-3650SS Technical Specifications (from datasheet)
Model | Operating Voltage (Range) | Nominal Voltage | No-load Speed | Speed @ Max. Efficiency | Output Power | Stall Torque
RS-36503SS-7515 | 2.4V–4.8V | 3.6V | 21,500 rpm | 16,644 rpm | 23.7 W | 614 g·cm
RS-36503SS-6032 | 6.0V–12.0V | 12.0V | 29,500 rpm | 24,016 rpm | 52.1 W | 1,138 g·cm
RS-36505SS-2780 | 12.0V–24.0V | 12.0V | 5,000 rpm | 4,120 rpm | 7.27 W | 977 g·cm
RS-36505SS-19150 | 12.0V–48.0V | 24.0V | 5,600 rpm | 4,500 rpm | 9.20 W | 815 g·cm

*Customization notes: standard shaft diameter 3.175 mm; D-shaft, dual shaft and EMC/EMI suppression components available on request.*

Characteristics / Technical Specifications

• Series / Model: RS-3650SS
• Outer diameter: 36 mm
• Stator / body length: 50 mm (standard)
• Voltage range: 2.4 V–48 V (model-dependent)
• Typical no-load speeds: ~5,000 rpm up to ~29,500 rpm
• Maximum output power: up to ~52.1 W (model-dependent)
• Stall torque examples: 614 g·cm, 1,138 g·cm, 977 g·cm, 815 g·cm (model-dependent)
• Shaft diameter: 3.175 mm (standard; D-shaft and dual-shaft options available)
• Typical applications: handheld vacuum cleaners, air/water pumps, portable inflators, diaphragm pumps, RC cars/boats, underwater thrusters
• Compliance / quality: ROHS / REACH materials, 100% inspection including noise and current testing