Does the motor require frequent maintenance?

No, the brushless structure eliminates carbon brush wear, reducing maintenance costs and extending service life.

What certifications does the product have?

The product is certified with ISO9001 and CCC.

What is the motor diameter and rotor height?

The motor diameter is 155mm and the rotor height is 60mm.

Electric Motor Efficient-Operation Pmsm BLDC 4000W Electric DC Motor

Name: Electric Motor Efficient-Operation Pmsm BLDC 4000W Electric DC Motor
Brand: Xuzhou Keya Electric Co., Ltd
SKU: 2093659282

Jiangsu, ChinaXuzhou Keya Electric Co., Ltd

US$169.00

10-49 Pieces

US$166.00

50-99 Pieces

US$164.00

100+ Pieces

Sample price:US$169.00/piece.Request sample

Product profile

Customization

Available

Application

Household Appliances, Car

Operating Speed

High Speed

Model NO.

155 BLDC Motor 4000w 60H

Function

Driving

Casing Protection

Protection Type

Number of Poles

Structure and Working Principle

Brushless

Certification

ISO9001, CCC

Product Name

155 BLDC Motor

Rated Voltage

DC60V/72V

Rated Power

4000W

Motor Diameter

155mm

Rotor Height

60h

Magnetic Steel Grade

38h

IP Grade

IP54

Hensor

Megnetic Encoding

Use

Electric Bicycle, Electric Cargo Tricycle

Max Torque

90n.M

Driving Shaft Length

185.5mm

Phase Current

321A

Rated Speed

3000rpm

Rated Torque

5n.M

Rated Current

30/37A

Transport Package

Specification

36*30*23CM 15.8kgs

Trademark

keya elec

Origin

Jiangsu, China

HS Code

8501310000

Production Capacity

1800000PCS

Key features

High Power Density: Flat wire design ensures high slot occupancy and superior power density.

Excellent Heat Dissipation: Low temperature rise with good heat dissipation performance for stable operation.

Low Noise Operation: No carbon brush wear eliminates dust and noise, ensuring a quiet driving experience.

Long Service Life: Brushless structure reduces failure rate and maintenance costs in harsh environments.

High Efficiency Range: Wide efficient zone increases range by 5 kilometers compared to standard motors.

Robust Sensor Technology: External sensor design is immune to temperature changes and electromagnetic interference.

Fast Acceleration: Long March drive system delivers stronger power and faster acceleration.

IP54 Protection Rating: Dust and water resistant design suitable for electric tricycles and bicycles.

Company profile

Self-brandedPatents Awarded100% Finished Products InspectionR&D Capabilities

Xuzhou Keya Electric Co., Ltd

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 8 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤15h

AI-Powered supplier vetting

SummaryKEYA is a limited company focused on motor manufacturing and electronic control drive systems, offering motors, controllers, gear boxes, and rear axles. It reports broad customization, ODM capability, OEM service for well-known brands, and a recent product-development record. Its facilities include dedicated production lines for wireless and wired controllers, motors, gear boxes, and rear axles. Quality processes include written warehouse controls, inspection instructions, segregation and reinspection of nonconforming units, and documented complaint and corrective-action procedures. However, the evidence does not establish certifications, named customer cases, or the supplier’s financial strength. Overseas support is limited: it has no overseas warehouse, showroom, agents, branches, or offline trade-show participation, and no valid manufacturing-capacity contract with related subcontractors is reported.

Supplier typeThe supplier is a limited company engaged in motor manufacturing, generator and generator-set sales, and motor control-system development. Its stated products include motors, controllers, gear boxes, and rear axles, while its company description identifies it as a high-tech enterprise focused on electronic control drive systems.

After-Sales capabilityThe supplier reports that its 29 R&D engineers are responsible for new-product R&D and after-sales service. It also has clear, followed procedures and records for customer complaints and corrective and preventive actions, supporting a documented after-sales process.

R&D capabilityEvidence supports active innovation capacity: the supplier reports new products during the past year, ODM services, 29 R&D engineers, and responsibilities covering new-product development. It is also described as a high-tech enterprise, although no SDK is available.

Production capacityDedicated production lines are reported for wireless and wired controllers, motors, gear boxes, and rear axles, matching the stated product scope. Quality controls include written procedures, inspection instructions, segregation and reinspection of nonconforming units, and inventory capability; however, no valid manufacturing-capacity contract with related subcontractors is reported.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM capability, indicating broad product-development and customization support.