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Overview
The Permanent Split Capacitor (PSC) Motor is a high-efficiency, reliable single-phase AC motor engineered specifically for air conditioning systems. Designed for continuous-duty operation in both indoor and outdoor units, this motor provides the steady, quiet, and efficient airflow critical for heat exchange, ensuring optimal cooling performance, energy savings, and long-term system reliability in residential and light commercial HVAC equipment.
Key Features & Advantages
High Efficiency & Optimized Airflow: The PSC design operates with a high power factor and improved efficiency compared to shaded pole motors. It delivers consistent Cubic Feet per Minute (CFM) airflow across evaporator and condenser coils, maximizing heat transfer and system efficiency (SEER/SEER2 ratings).
Quiet & Smooth Operation: The run capacitor creates a balanced two-phase power supply, resulting in minimal torque ripple, low vibration, and significantly reduced audible noise. This ensures quiet performance for both indoor air handlers and outdoor condenser units.
Continuous Duty & Thermal Resilience: Rated for 100% duty cycle (S1), built to run continuously during cooling cycles. Constructed with high-temperature insulation (Class B, F, or higher) and thermally stable materials to withstand elevated ambient temperatures near heat exchangers.
Multi-Speed Flexibility for System Matching: Easily configured with multiple winding taps (e.g., 3-speed: High/Medium/Low) to match specific system airflow requirements. This allows HVAC manufacturers to fine-tune performance for different tonnage capacities and static pressure conditions.
Simple, Reliable & Maintenance-Free: Contains no centrifugal switch or separate start capacitor, eliminating common failure points. The brushless induction design ensures long service life with zero routine maintenance.
Built for Outdoor & Indoor Environments: Available in Open Drip-Proof (ODP) for protected indoor plenums or Totally Enclosed Fan-Cooled (TEFC) configurations with corrosion-resistant coatings for outdoor condenser fan duty, resisting moisture and weather exposure.
Integrated Thermal Protection: Typically includes an automatic-reset thermal overload protector embedded in the windings, guarding against burnout from blocked airflow, high static pressure, or voltage anomalies.
Typical Specifications
Motor Type: Single-Phase, Permanent Split Capacitor (PSC) Induction Motor.
Power Supply: 208-230V AC, 60 Hz (common for US); 220-240V AC, 50 Hz (International).
Power Range: From fractional HP (1/20 HP for small fans) to 1/2 HP or higher for larger blowers.
Speed: Common synchronous speeds: 1050 RPM (6-pole) for very quiet operation or 1625 RPM (4-pole). Actual speed is slightly lower due to slip.
Capacitor: A permanent, oil-filled run capacitor (typical values: 2.5 µF to 15 µF).
Mounting: Versatile options: rigid base, resilient rubber cushion base, or stud mounts to isolate vibration.
Shaft: Designed for direct mounting of centrifugal blower wheels (squirrel cage) or propeller fans.
Primary Applications in Air Conditioners
Indoor Air Handler/ Furnace Blower Motors: Circulates conditioned air throughout the ductwork.
Outdoor Condenser Fan Motors: Cools the refrigerant in the condenser coil.
Evaporator Fan Motors (in some packaged units).
Why Choose This PSC Motor for Your Air Conditioner?
In HVAC systems, consistent airflow is synonymous with efficiency, comfort, and equipment longevity. This PSC motor is engineered to be the quiet, efficient, and dependable heart of your air movement system. Its robust construction handles continuous seasonal operation, while its efficient and quiet performance directly contributes to lower energy bills and enhanced customer satisfaction. It is the industry-preferred choice for reliable, high-performance air conditioning units.
Electrical specification
| MODEL | A/B/C of size(mm) | shaftdia | volt | outpower | rotation | speed rated |
| YJ9620 | 20/70/37.5 | 7.918MM | 110-240V | 35W | CW/CCW | 1380RPM |
| YJ9627 | 27/77/37.5 | 7.918MM | 110-240V | 40W | CW/CCW | 1450RPM |
| YJ9633 | 33/83/37.5 | 7.918MM | 110-240V | 55W | CW/CCW | 1680RPM |
| YJ9639 | 39/89/37.5 | 7.918MM | 110-240V | 60W | CW/CCW | 1850RPM |
Mechanical dimensions
ABOUT US
Ritscher group was set up in 2006.we always focus on micro-motors for household electrical appliance and industry appliance since setting up.currently we have two professional micro-motor factories in China which severally located in Ningbo city and Foshan city.it has an area of 25,000 square meters plants and more than 300 employees, annual output is 3 million pcs and has 5 million pcs annual producing capacity.after several years development,we had built a great reputation in the market and got more and more customers' trust in the world.
We started from shaded pole motors at beginning, up to now,our product included of shaded pole motors,synchronous motors,stepping motors ,capacitor motors, BLDC motors, DC motors and compressors. Our product are widely used for making refrigerators, freezers, micro-wave ovens, air warmers, air exhausters, ventilators,ovens, air filter, massage machines and many other equipments.
As a realiable quality guaranty,Ritscher has complete R&D departement,QC department,producing department,purchase department etc. has perfect producing equipment like Aluminum diecasting, Zinc diecasting, Sheet metal stamping, Plastic injection molding etc. also test/ detection device like multiplex temp measuring device, performance parameter inspection device, Phenol peptide solution pinhole tester,Anechoic room etc.
Endeavoring to provide the best product and service to customers,we always do the most effort to become an outstanding manufacturer of micro motors.
Ritscher is always willing to establish sincere business relationship with friends from all over the world.
Welcome contact with us!
Take ritscher ,enjoy modern life!
Our company FAQ for you
(1) Q: What kind motors you can provide?
A:For now,we mainly provide Kitchen Hood Motor,DC Motor,Gear Motor,Fan Motor Refrigerator Motor,Hair Dryer Motor Blender Motor Mixer Motor,
Shade Pole Motor,Capacitor Motor,BLDC Motor PMDC Motor,Synchronous Motor,Stepping Motor etc.
(2) Q: Is it possible to visit your factory
A: Sure. But please kindly keep us posted a few days in advance. We need to check our
schedule to see if we are available then.
(3) Q: Can I get some samples
A: It depends. If only a few samples for personal use or replacement, I am afraid it will
be difficult for us to provide, because all of our motors are custom made and no stock
available if there is no further needs. If just sample testing before the official order and
our MOQ, price and other terms are acceptable, we'd love to provide samples.
(4) Q: Is there a MOQ for your motors?
A: Yes. The MOQ is between 1000~10,000pcs for different models after sample approval.
But it's also okay for us to accept smaller lots like a few dozens, hundreds or thousands
For the initial 3 orders after sample approval.For samples, there is no MOQ requirement. But the less the better (like no more than 5pcs) on condition that the quantity is enough in case any changes needed after initial testing.
Overview
The Permanent Split Capacitor (PSC) Motor is a high-efficiency, reliable single-phase AC motor engineered specifically for air conditioning systems. Designed for continuous-duty operation in both indoor and outdoor units, this motor provides the steady, quiet, and efficient airflow critical for heat exchange, ensuring optimal cooling performance, energy savings, and long-term system reliability in residential and light commercial HVAC equipment.
Key Features & Advantages
High Efficiency & Optimized Airflow: The PSC design operates with a high power factor and improved efficiency compared to shaded pole motors. It delivers consistent Cubic Feet per Minute (CFM) airflow across evaporator and condenser coils, maximizing heat transfer and system efficiency (SEER/SEER2 ratings).
Quiet & Smooth Operation: The run capacitor creates a balanced two-phase power supply, resulting in minimal torque ripple, low vibration, and significantly reduced audible noise. This ensures quiet performance for both indoor air handlers and outdoor condenser units.
Continuous Duty & Thermal Resilience: Rated for 100% duty cycle (S1), built to run continuously during cooling cycles. Constructed with high-temperature insulation (Class B, F, or higher) and thermally stable materials to withstand elevated ambient temperatures near heat exchangers.
Multi-Speed Flexibility for System Matching: Easily configured with multiple winding taps (e.g., 3-speed: High/Medium/Low) to match specific system airflow requirements. This allows HVAC manufacturers to fine-tune performance for different tonnage capacities and static pressure conditions.
Simple, Reliable & Maintenance-Free: Contains no centrifugal switch or separate start capacitor, eliminating common failure points. The brushless induction design ensures long service life with zero routine maintenance.
Built for Outdoor & Indoor Environments: Available in Open Drip-Proof (ODP) for protected indoor plenums or Totally Enclosed Fan-Cooled (TEFC) configurations with corrosion-resistant coatings for outdoor condenser fan duty, resisting moisture and weather exposure.
Integrated Thermal Protection: Typically includes an automatic-reset thermal overload protector embedded in the windings, guarding against burnout from blocked airflow, high static pressure, or voltage anomalies.
Typical Specifications
Motor Type: Single-Phase, Permanent Split Capacitor (PSC) Induction Motor.
Power Supply: 208-230V AC, 60 Hz (common for US); 220-240V AC, 50 Hz (International).
Power Range: From fractional HP (1/20 HP for small fans) to 1/2 HP or higher for larger blowers.
Speed: Common synchronous speeds: 1050 RPM (6-pole) for very quiet operation or 1625 RPM (4-pole). Actual speed is slightly lower due to slip.
Capacitor: A permanent, oil-filled run capacitor (typical values: 2.5 µF to 15 µF).
Mounting: Versatile options: rigid base, resilient rubber cushion base, or stud mounts to isolate vibration.
Shaft: Designed for direct mounting of centrifugal blower wheels (squirrel cage) or propeller fans.
Primary Applications in Air Conditioners
Indoor Air Handler/ Furnace Blower Motors: Circulates conditioned air throughout the ductwork.
Outdoor Condenser Fan Motors: Cools the refrigerant in the condenser coil.
Evaporator Fan Motors (in some packaged units).
Why Choose This PSC Motor for Your Air Conditioner?
In HVAC systems, consistent airflow is synonymous with efficiency, comfort, and equipment longevity. This PSC motor is engineered to be the quiet, efficient, and dependable heart of your air movement system. Its robust construction handles continuous seasonal operation, while its efficient and quiet performance directly contributes to lower energy bills and enhanced customer satisfaction. It is the industry-preferred choice for reliable, high-performance air conditioning units.
Electrical specification
| MODEL | A/B/C of size(mm) | shaftdia | volt | outpower | rotation | speed rated |
| YJ9620 | 20/70/37.5 | 7.918MM | 110-240V | 35W | CW/CCW | 1380RPM |
| YJ9627 | 27/77/37.5 | 7.918MM | 110-240V | 40W | CW/CCW | 1450RPM |
| YJ9633 | 33/83/37.5 | 7.918MM | 110-240V | 55W | CW/CCW | 1680RPM |
| YJ9639 | 39/89/37.5 | 7.918MM | 110-240V | 60W | CW/CCW | 1850RPM |
Mechanical dimensions
ABOUT US
Ritscher group was set up in 2006.we always focus on micro-motors for household electrical appliance and industry appliance since setting up.currently we have two professional micro-motor factories in China which severally located in Ningbo city and Foshan city.it has an area of 25,000 square meters plants and more than 300 employees, annual output is 3 million pcs and has 5 million pcs annual producing capacity.after several years development,we had built a great reputation in the market and got more and more customers' trust in the world.
We started from shaded pole motors at beginning, up to now,our product included of shaded pole motors,synchronous motors,stepping motors ,capacitor motors, BLDC motors, DC motors and compressors. Our product are widely used for making refrigerators, freezers, micro-wave ovens, air warmers, air exhausters, ventilators,ovens, air filter, massage machines and many other equipments.
As a realiable quality guaranty,Ritscher has complete R&D departement,QC department,producing department,purchase department etc. has perfect producing equipment like Aluminum diecasting, Zinc diecasting, Sheet metal stamping, Plastic injection molding etc. also test/ detection device like multiplex temp measuring device, performance parameter inspection device, Phenol peptide solution pinhole tester,Anechoic room etc.
Endeavoring to provide the best product and service to customers,we always do the most effort to become an outstanding manufacturer of micro motors.
Ritscher is always willing to establish sincere business relationship with friends from all over the world.
Welcome contact with us!
Take ritscher ,enjoy modern life!
Our company FAQ for you
(1) Q: What kind motors you can provide?
A:For now,we mainly provide Kitchen Hood Motor,DC Motor,Gear Motor,Fan Motor Refrigerator Motor,Hair Dryer Motor Blender Motor Mixer Motor,
Shade Pole Motor,Capacitor Motor,BLDC Motor PMDC Motor,Synchronous Motor,Stepping Motor etc.
(2) Q: Is it possible to visit your factory
A: Sure. But please kindly keep us posted a few days in advance. We need to check our
schedule to see if we are available then.
(3) Q: Can I get some samples
A: It depends. If only a few samples for personal use or replacement, I am afraid it will
be difficult for us to provide, because all of our motors are custom made and no stock
available if there is no further needs. If just sample testing before the official order and
our MOQ, price and other terms are acceptable, we'd love to provide samples.
(4) Q: Is there a MOQ for your motors?
A: Yes. The MOQ is between 1000~10,000pcs for different models after sample approval.
But it's also okay for us to accept smaller lots like a few dozens, hundreds or thousands
For the initial 3 orders after sample approval.For samples, there is no MOQ requirement. But the less the better (like no more than 5pcs) on condition that the quantity is enough in case any changes needed after initial testing.
