Can this motor operate at low speeds?

Yes, it delivers constant torque even at low speeds without requiring forced ventilation.

What applications is this motor suitable for?

It is widely used in injection molding machines, air compressors, pipe making, hydraulic machinery, and pharmaceutical equipment.

Does the motor require a specific inverter?

Yes, it must be used in conjunction with a dedicated permanent magnet motor inverter.

Low-Noise Permanent Magnet Electric Motor with Long Service Life

Name: Low-Noise Permanent Magnet Electric Motor with Long Service Life
Brand: Qingdao Greef New Energy Equipment Co., Ltd.
SKU: 2130288762

Shandong, ChinaQingdao Greef New Energy Equipment Co., Ltd.

US$5,999.00

1 Piece

Product profile

Customization

Available

Application

Industrial

Speed

Low Speed

Model NO.

TYP

Number of Stator

Three-Phase

Function

Driving

Casing Protection

Protection Type

Number of Poles

Starting Mode

Variable Frequency Starting

Certification

Brand

Greef

Type

Permanent Magnet Synchronous Motor

Power Supply Method

Alternating Current

Power Supply Type

Alternating Current Motor

Use

Common (Use)

Number of Power Supply Phases

3 Phase

Structure and Working Principle

AC Commutator Motors

Protection Type

Closed

Insulate Grade

Bearing Brand

SKF

Trademark

GREEF

Origin

China

HS Code

85023100

Production Capacity

400 Set/Sets Per Month

Key features

Superior Energy Efficiency: Saves up to 30% energy compared to induction motors driven by frequency inverters.

Long Bearing Life: L10 life up to 100,000 hours, equivalent to over 10 years of continuous operation.

High Power Factor: Achieves power factor close to 1.0, reducing stator current and copper losses.

Constant Torque Control: Delivers constant torque across a broad speed range without forced ventilation.

Advanced Magnet Technology: Uses NdFeB magnets 18 times stronger than ferrite with epoxy protective coating.

Integrated Thermal Protection: PTC thermistors embedded in windings protect against overheating and overload.

Stable Synchronous Speed: Eliminates slip and rotor power loss, unaffected by voltage fluctuations.

Low Operating Current: Reduces stator current by 15% to 30%, increasing cable capacity.

Company profile

Qingdao Greef New Energy Equipment Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2014-03-18Nearest Port: QINGDAOAverage Response Time: ≤6.95hTerms of Payment: T/T, PayPal, Western Union, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP, CPT, Others, FCA

AI-Powered supplier vetting

SummaryQingdao Greef New Energy Equipment Co., Ltd. is identified as both a trading company and manufacturer/factory in China, offering wind turbines, permanent magnet generators, hybrid systems, and related equipment. Its stated capabilities include generator coverage from 500W to 5MW, two production lines, annual output of 1,000 wind turbine/permanent magnet generator sets, and 6–10 R&D engineers and quality-control staff. The company reports QHSE, ISO 9001, and HSE management certifications, CE-certified exports, warranty periods of 3–5 years, and after-sales service as part of its end-to-end offering. Evidence also supports customization through design, prototyping, production, and quality-control services. However, the provided information does not sufficiently establish financial credibility or a broad customer track record; only one buyer and one trade transaction are listed.

Supplier typeThe supplier is explicitly classified as both a Trading Company and Manufacturer/Factory. Its stated product portfolio includes wind turbine systems, permanent magnet generators, controllers, inverters, solar systems, and batteries, supporting a combined manufacturing and trading role.

CertificationsThe supplier states that its management systems include QHSE, ISO 9001, and HSE. It also states that products exported to Europe, South America, and North America carry CE certification, indicating documented management-system and product-certification claims.

After-Sales capabilityThe company describes end-to-end services including after-sales service and states that exported products have 3–5 year warranty periods. It also claims rapid response and guaranteed quality and on-time delivery through Alibaba Trade Assurance, providing explicit support for post-sale capability.

R&D capabilityThe supplier states that its permanent magnet generators range from 500W to 5MW and offers multiple renewable-energy technologies, including vertical- and horizontal-axis wind turbines, hybrid systems, and disc coreless generators. Its stated engineering and renewable-energy innovation activities support innovation capability, although no independently verified R&D results are provided.

Production capacityThe supplier reports two production lines and annual output of 1,000 wind turbine/permanent magnet generator sets. It also states generator coverage from 500W to 5MW and has 6–10 quality-control staff, providing explicit evidence of established production capacity.

Customization capabilityThe company explicitly claims customized end-to-end solutions covering design planning, schematic development, 3D renderings, physical prototyping, volume production, quality control, and after-sales service. This directly supports customization capability across product-development and delivery stages.