Are there different rotor structures available?

Yes, we offer squirrel cage rotors (cast aluminum or copper bar) and wound rotors made of Class F insulating material.

What is the operating temperature range?

The motor is designed to operate within a temperature range of -15 to 40 degrees Celsius.

What certifications does the product have?

The product is certified under ISO9001 and meets relevant IEC standards.

Slip Ring Rotor Motor for Air Compressor with IP55 Protection and Squirrel Cage Rotor

Name: Slip Ring Rotor Motor for Air Compressor with IP55 Protection and Squirrel Cage Rotor
Brand: Hengshui Milestone Motor Technology Co., Ltd.
SKU: 2190768232

Hebei, ChinaHengshui Milestone Motor Technology Co., Ltd.

US$25,000.00-45,000.00

1 SET

Product profile

Application

Industrial

Operating Speed

Constant Speed

Number of Stator

Three-Phase

Model NO.

Ex-Proof-L

Species

Y, Y2 Series Three-Phase

Rotor Structure

Squirrel/Winding

Casing Protection

Protection Type

Number of Poles

2,4,6,8,10,12

Starting Mode

Direct on-line Starting

Certification

ISO9001, CCC

Brand

Milestone

Item

High Voltage Electric Motor

Phase

Three Phase

Voltage

3kv/6kv/10kv/Customized

Temperature

- 15~40 Degree

Rated Output

220kw-4500kw

Rated Frequency

50Hz(60Hz Available)

Duty

Cooling Method

IC611/IC81W/IC01

Protection Feature

IP54/IP44/IP23

Insulation Class

F Class

Working Condition

Not Exceeding 1000m Above Sea Level

Transport Package

Wooden Case

Specification

According Frame Size

Trademark

Milestone

Origin

China

HS Code

8501530000

Production Capacity

200, 000 Sets/Annual Output

Key features

Customizable Voltage: Available in 3kV, 6kV, 10kV, and customized voltage options.

Multiple Pole Options: Offered in 2, 4, 6, 8, 10, and 12 pole configurations.

Flexible Cooling Methods: Supports IC01, IC81W, and IC611 cooling structures.

Customizable Protection Grade: Protection levels include IP54, IP44, and IP23.

Wide Power Range: Rated output spans from 220kW to 4500kW.

High Voltage Certification: Meets IEC standards with ISO9001 and CCC certifications.

Custom Terminal Box: Terminal box installation position can be customized.

Advanced Insulation: Uses Class F insulation with vacuum pressure impregnation.

Company profile

High Repeat Buyers ChoiceExhibition ExperienceFull CustomizationManagement Certification

Hengshui Milestone Motor Technology Co., Ltd.

Hebei, China

Business Type: Manufacturer/FactoryAverage Response Time: ≤3.85h

AI-Powered supplier vetting

SummaryHengshui Milestone Motor Technology Co., Ltd. is identified as a China-based manufacturer/factory in Hebei producing electric motors, including induction, three-phase, special, explosion-proof, high-voltage, and variable-frequency motors. The supplier reports extensive product certifications, including CE, China 3C, CQC, China energy-saving, explosion-proof, KA, and MA certifications, as well as ISO9001, ISO14001, and ISO45001 management-system certifications. Its business description states that it is an early developer and promoter of energy-saving Y-series motors in China and focuses on motor research. A TUV Rheinland audit record is listed as valid from May 19, 2025 to May 18, 2026, but the audit result is coded as “0” without an interpretation. Evidence is insufficient to confirm after-sales services, financial credibility, innovation services such as ODM or SDK support, production scale, customization, or customer cases. Several supplier capability fields are explicitly marked unknown.

Supplier typeThe supplier is identified as Hengshui Milestone Motor Technology Co., Ltd., a China-based manufacturer/factory located in Hebei and operating in the motor manufacturing sector. However, another record describes its company nature as a trading company, creating a classification inconsistency that should be clarified.

CertificationsThe supplier reports CE, China 3C, CQC, China energy-saving, explosion-proof, KA, and MA product certifications, along with ISO9001, ISO14001, and ISO45001 management-system certifications. A TUV Rheinland audit is also recorded for the period from May 19, 2025 to May 18, 2026, although the coded audit result is not explained.

R&D capabilityThe company states that it focuses on motor research and was among the early Chinese enterprises to design, produce, and promote new energy-saving Y-series motors. Nevertheless, ODM, SDK, private-mold, 3D-design, and new-product R&D service statuses are all unknown, so the breadth of its current innovation services cannot be confirmed.

Production capacityThe supplier is listed as a manufacturer/factory offering multiple electric-motor categories, and its company description characterizes it as a large second-tier national enterprise and a top-500 Chinese machinery enterprise. However, manufacturing capacity, inventory capability, order fulfillment details, and production scale are not sufficiently documented; the order fulfillment field contains only an unexplained code.