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130
Ritscher
The 550 Series is a premium, high-efficiency Brushless DC Motor engineered to redefine performance in modern vacuum cleaners. Designed to deliver exceptional suction power, extended runtime, and intelligent control, this motor replaces traditional brushed universal motors, offering superior durability, energy efficiency, and a significantly quieter operation. It is the core technology enabling next-generation cordless, stick, and high-end canister vacuums.
Exceptional Suction Power & Efficiency: Utilizing advanced BLDC technology and optimized impeller aerodynamics, it generates maximum airflow (CFM) and vacuum pressure (inches of water lift) with minimal energy waste, translating to deeper cleaning and longer battery life per charge in cordless models.
Extended Lifespan & Reliability: The brushless design eliminates the primary wear component (brushes and commutator), dramatically increasing motor life—often exceeding 2,000 hours—and ensuring consistent performance throughout the product's lifetime with virtually zero maintenance.
Intelligent Digital Control & Smart Features: Integrated with a dedicated electronic controller (ESC), it enables precise speed regulation, dynamic power management based on floor type (auto mode), and soft-start functionality. Supports real-time communication with the main PCB for system diagnostics and user interface feedback.
Significantly Quieter Operation: Generates lower mechanical and electromagnetic noise compared to high-RPM universal motors. Advanced acoustic engineering of the motor and fan assembly results in a more pleasant user experience without sacrificing power.
Compact & High Power Density: The 550 frame size (typically ~55mm in diameter) offers an outstanding power-to-size ratio, allowing designers to create more powerful yet slimmer and lighter vacuum cleaners, especially critical for handheld and stick formats.
Thermal Management & Protection: Built-in temperature sensors (NTC or PTC) and smart controller logic prevent overheating by modulating power, protecting the motor and battery during demanding or blocked situations.
High-Speed Capability: Capable of operating at very high rotational speeds (e.g., 80,000 to 120,000+ RPM), directly driving multi-stage cyclonic impellers to create powerful suction.
Motor Type: 3-Phase, Sensorless or Sensored, Inner Rotor Brushless DC Motor.
Frame Designation: 550 Series (Industrial standard for high-power vacuum applications).
Input Voltage: Compatible with common battery packs: 18V, 22.2V (6S), 25.2V, or 36V DC.
Rated Power: Typically ranges from 300W to 800W+ (input power), delivering professional-grade suction.
Peak Efficiency: Often exceeds 85%, maximizing runtime from limited battery capacity.
Control Interface: 3-phase power leads plus 3-5 signal wires for hall sensors (if sensored), PWM speed control, tachometer output, and thermal feedback.
Impeller Compatibility: Designed for direct mounting of high-efficiency, balanced multi-vane centrifugal impellers.
This motor is the powerhouse for a new generation of cleaning appliances:
High-End Cordless Stick & Handheld Vacuums
Premium Canister Vacuum Cleaners
Robotic Vacuum Cleaners (high-performance models)
Commercial & Industrial Portable Vacuum Systems
Central Vacuum System Power Units
For vacuum cleaner OEMs aiming at the premium market, the 550 Series BLDC Motor is a transformative component. It directly addresses the key consumer demands for power, runtime, quietness, and durability. By enabling intelligent, adaptive suction and ensuring years of reliable service, it elevates the core performance of the vacuum, creating a tangible competitive advantage and building strong brand loyalty through superior user satisfaction.
Note: Optimal system performance requires careful integration with a matched electronic speed controller (ESC), battery management system (BMS), and aerodynamic assembly. Acoustic performance is a system-level attribute influenced by the entire air path design. Customization of voltage, power profile, control protocol, and mechanical interface is available for OEM integration.

| Typical model load performance | ||||||||
| Type | Voltage Range(V) | Rated Voltage (V) | Speed (RPM) | Current (A) | Speed (RPM) | Current (A) | P(W) | Max Eff.(%) |
| BLW130718-01 | 210-230/AC | 220/AC | 25000 | 0.9 | 18000 | 6.2 | 800 | >15.8 |
| BLW130715-01 | 210-240/AC | 230/AC | 21000 | 0.7 | 15000 | 4.6 | 600 | >12.5 |
| BLW130618-01 | 90-120/AC | 110/AC | 25000 | 1.3 | 18000 | 12.3 | 800 | >15.8 |
The 550 Series is a premium, high-efficiency Brushless DC Motor engineered to redefine performance in modern vacuum cleaners. Designed to deliver exceptional suction power, extended runtime, and intelligent control, this motor replaces traditional brushed universal motors, offering superior durability, energy efficiency, and a significantly quieter operation. It is the core technology enabling next-generation cordless, stick, and high-end canister vacuums.
Exceptional Suction Power & Efficiency: Utilizing advanced BLDC technology and optimized impeller aerodynamics, it generates maximum airflow (CFM) and vacuum pressure (inches of water lift) with minimal energy waste, translating to deeper cleaning and longer battery life per charge in cordless models.
Extended Lifespan & Reliability: The brushless design eliminates the primary wear component (brushes and commutator), dramatically increasing motor life—often exceeding 2,000 hours—and ensuring consistent performance throughout the product's lifetime with virtually zero maintenance.
Intelligent Digital Control & Smart Features: Integrated with a dedicated electronic controller (ESC), it enables precise speed regulation, dynamic power management based on floor type (auto mode), and soft-start functionality. Supports real-time communication with the main PCB for system diagnostics and user interface feedback.
Significantly Quieter Operation: Generates lower mechanical and electromagnetic noise compared to high-RPM universal motors. Advanced acoustic engineering of the motor and fan assembly results in a more pleasant user experience without sacrificing power.
Compact & High Power Density: The 550 frame size (typically ~55mm in diameter) offers an outstanding power-to-size ratio, allowing designers to create more powerful yet slimmer and lighter vacuum cleaners, especially critical for handheld and stick formats.
Thermal Management & Protection: Built-in temperature sensors (NTC or PTC) and smart controller logic prevent overheating by modulating power, protecting the motor and battery during demanding or blocked situations.
High-Speed Capability: Capable of operating at very high rotational speeds (e.g., 80,000 to 120,000+ RPM), directly driving multi-stage cyclonic impellers to create powerful suction.
Motor Type: 3-Phase, Sensorless or Sensored, Inner Rotor Brushless DC Motor.
Frame Designation: 550 Series (Industrial standard for high-power vacuum applications).
Input Voltage: Compatible with common battery packs: 18V, 22.2V (6S), 25.2V, or 36V DC.
Rated Power: Typically ranges from 300W to 800W+ (input power), delivering professional-grade suction.
Peak Efficiency: Often exceeds 85%, maximizing runtime from limited battery capacity.
Control Interface: 3-phase power leads plus 3-5 signal wires for hall sensors (if sensored), PWM speed control, tachometer output, and thermal feedback.
Impeller Compatibility: Designed for direct mounting of high-efficiency, balanced multi-vane centrifugal impellers.
This motor is the powerhouse for a new generation of cleaning appliances:
High-End Cordless Stick & Handheld Vacuums
Premium Canister Vacuum Cleaners
Robotic Vacuum Cleaners (high-performance models)
Commercial & Industrial Portable Vacuum Systems
Central Vacuum System Power Units
For vacuum cleaner OEMs aiming at the premium market, the 550 Series BLDC Motor is a transformative component. It directly addresses the key consumer demands for power, runtime, quietness, and durability. By enabling intelligent, adaptive suction and ensuring years of reliable service, it elevates the core performance of the vacuum, creating a tangible competitive advantage and building strong brand loyalty through superior user satisfaction.
Note: Optimal system performance requires careful integration with a matched electronic speed controller (ESC), battery management system (BMS), and aerodynamic assembly. Acoustic performance is a system-level attribute influenced by the entire air path design. Customization of voltage, power profile, control protocol, and mechanical interface is available for OEM integration.

| Typical model load performance | ||||||||
| Type | Voltage Range(V) | Rated Voltage (V) | Speed (RPM) | Current (A) | Speed (RPM) | Current (A) | P(W) | Max Eff.(%) |
| BLW130718-01 | 210-230/AC | 220/AC | 25000 | 0.9 | 18000 | 6.2 | 800 | >15.8 |
| BLW130715-01 | 210-240/AC | 230/AC | 21000 | 0.7 | 15000 | 4.6 | 600 | >12.5 |
| BLW130618-01 | 90-120/AC | 110/AC | 25000 | 1.3 | 18000 | 12.3 | 800 | >15.8 |
