This frameless torque motor is published with the manufacturer’s full specification — rated voltage 48VDC, type Brushless Motor. Made by Shanghai Primopal Precision Motor Co., Ltd. (10 years on the platform, factory-assessed). For a binding price and lead time, send the volume you need and where it ships to.
Key Features of This Frameless Torque Motor
- Model Number: Frameless BLDC ALL Series
- Rated Power: 100 W
- Rated Voltage: 48VDC
- Speed Rpm: 3 000 RPM
- Speed(RPM): 3000rpm
- Rated Speed: 3000rpm
Technical Specifications
| Commutation | Brushless |
|---|---|
| Rated Voltage | 48VDC |
| Rated Power | 100 W |
| Speed Rpm | 3 000 RPM |
| Speed(RPM) | 3000rpm |
| Efficiency | IE3 |
| Type | Brushless Motor |
| Construction | Permanent Magnet |
| Frame | NO |
| Motor Mounting Type | Flange Mount |
| Protect Feature | Waterproof |
| Usage | Fan, Home Appliance, Smart Home |
| Warranty | 1year |
| Continuous Current(A) | 2.9A |
| Model Number | Frameless BLDC ALL Series |
| Place Of Origin | China |
| Brand Name | PrimoPal |
| Rated Torque | 0.32N.m |
| Rated Speed | 3000rpm |
| Frame Size | Dia.33-160mm |
| Body Length | custome |
| Number Of Poles | 10 |
| Number Of Phase | 3phase |
| Product Name | Robot Joint Frameless Torque Motor Outer Rotor Stator Brushless Motor |
| Certification | ISO9001, ISO14001, CE, ROHS,CCC |
| Selling Units | Single item |
| Single Package Size | 6.5X6.5X4 cm |
| Single Gross Weight | 0.5 kg |
Product Details














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Q1: What is the difference between a frameless motor and a traditional framed motor? | a) Structure: A frameless motor consists of independent rotor and stator components, with no housing, bearings, or front/rear covers. It must be installed in the equipment to function. A framed motor, on the other hand, is a complete standalone unit. b) Application Method: A frameless motor is typically integrated directly into the mechanical structure of the equipment, whereas a framed motor is connected via mechanical mounting points. c) Applicable Scenarios: Frameless motors are ideal for applications that require compact size, low weight, efficient heat dissipation, and high integration. |
Q2: What are the advantages of a frameless DC brushless motor? | a) High Integration: The frameless design allows the rotor and stator to be directly integrated into the equipment, reducing size and weight. b) High Efficiency: The brushless design reduces friction and energy loss, resulting in higher efficiency. c) Good Heat Dissipation: The frameless design can better integrate with the equipment’s own heat dissipation structure, improving motor performance. d) High Precision Control: Can work with high-performance drivers to achieve precise speed, torque, and position control. e) Flexibility: Can be customized in terms of size, power, and other features according to customer requirements. |
Q3: How should a frameless motor be installed? | Frameless motors usually require the customer to install them into the equipment. Key considerations: a) Ensure the rotor and stator are concentric to avoid mechanical interference during operation. b) The equipment needs to have suitable bearings and support structures. c) Consider the heat dissipation design during installation. |
Q4: Does the frameless motor support customization? | a) Rotor and stator dimensions (inner diameter, outer diameter, height). b) Rated voltage, power, speed, and torque range of the motor. c) Custom coil winding parameters to match specific drivers. d) Integration of specific sensors (such as Hall sensors, encoders). |
Ordering and Pricing
- Minimum order quantity: 10 piece
- Volume pricing:
- 10–99 piece: US $16 / piece
- 100–499 piece: US $12 / piece
- 500+ piece: US $11 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this frameless torque motor?
The standard minimum order quantity is 10 piece. Trial orders can usually be arranged for buyers evaluating the product before a full production run.
What warranty is provided?
The manufacturer provides a 1year warranty. Spare parts and technical support remain available after the warranty period.
Which certifications does this frameless torque motor carry?
It is supplied with ISO9001, ISO14001, CE, ROHS,CCC documentation, which covers the requirements of most import markets. Additional test reports can be issued on request.
Can the frameless torque motor be supplied for my local voltage?
The standard configuration is 48VDC. Alternative voltage and frequency builds are available when specified at the time of order.
Do you accept OEM or custom branding?
Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying order volumes. Send your artwork and technical requirements with your enquiry.
How long does production and delivery take?
In-stock configurations typically ship within 7–15 days. Customised or large-volume orders are usually produced in 25–35 days, confirmed on order.
About the Manufacturer
This product is produced by Shanghai Primopal Precision Motor Co., Ltd., based in China. The company 10 years as a verified Alibaba.com supplier, Trading Company, passed third-party supplier assessment. Browse the full Shanghai Primopal Precision Motor Co., Ltd. range on HVACR Nexus.
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