What are the available insulation classes?

Insulation classes B, F, and H are available for customization.

What payment terms are accepted?

Accepted payment terms include LC, T/T, D/P, PayPal, Western Union, Money Gram, and small-amount payments.

What is the protection grade of the motor?

Protection grades IP23, IP54, IP55, and IP56 are available for customization.

3 Phase Asynchronous Slip Ring Wound Rotor Induction Machine Motor

Name: 3 Phase Asynchronous Slip Ring Wound Rotor Induction Machine Motor
Brand: Shandong Langrui Industrial Co., Ltd.
SKU: 2088281332

Shandong, ChinaShandong Langrui Industrial Co., Ltd.

US$4,000.00-49,900.00

1 Piece

Product profile

Customization

Available

Application

Industrial

Operating Speed

Constant Speed

Model NO.

YR/YRKK

Number of Stator

Three-Phase

Species

Yrkk Three Phase

Rotor Structure

Wound Rotor

Casing Protection

Closed Type

Number of Poles

4/6/8/10/12

Starting Mode

Direct on-line Starting

Certification

ISO9001, CCC, CE, EAC, ATEX

Brand

Langrui

Voltage

3kv/4kv/6kv/10kv/11kv

Rated Power

200kw~4000kw

Rotating Speed

1000rpm

Poles

4/6/8/10/12

Efficiency

Ie1/Ie2/Ie3

Frequency

50/60Hz

Insulation Class

B/F/H

Winding

100% Copper Wire

Working Duty

Protection Grade

IP23/IP54/IP55/IP56

Mounting Type

Cooling Method

IC01/IC06/IC611/IC616/IC666

MOQ

1 Set

Transport Package

Standard Export Packing

Specification

Fabricated Steel Construction

Trademark

Langrui

Origin

Shandong, China

HS Code

8501530090

Production Capacity

50000 Pieces/Year

Key features

High Efficiency & Energy Saving: Advanced technology ensures high efficiency, energy saving, low noise, and small vibration.

Robust Box-Type Structure: Steel plate welded frame is light in weight and strong in rigidity with reliable operation.

Wide Customization Options: Customizable voltage (3kv-11kv), power (200kw-4000kw), poles, insulation, and cooling methods.

Versatile Industrial Application: Suitable for fans, compressors, crushers, and mining machinery in various industrial enterprises.

Easy Maintenance Design: Closed air-to-air cooler on top allows convenient disassembly, assembly, and repair.

Strict Quality Certification: Certified by ISO9001, CCC, CE, EAC, ATEX and compliant with GB755-2008 and IEC standards.

Premium Winding Material: 100% copper wire winding with F-class insulation treated with advanced vacuum pressure.

Flexible Mounting & Duty: Standard B3 horizontal mounting with S1 continuous working system for stable performance.

Company profile

Shandong Langrui Industrial Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2014-11-17Nearest Port: QINGDAO, SHANGHAI, NINGBOAverage Response Time: ≤0.88hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAP, Others, FCA

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company and professional technical supplier, with broad customization, ODM, and OEM capabilities. It holds OHSAS/OHSMS 18001, ISO 9001, and ISO 14001 certifications, reports 11–20 R&D engineers and 11–20 quality-control staff, and states annual electric-motor output of 100,000 pieces. Export activity is established, with 71%–90% of sales from exports and ten years of exporting experience, but no overseas warehouses, showrooms, agents, branches, or offline trade-show participation. Service procedures for corrective actions and complaint handling are documented and followed, while supplier approval documentation is incomplete. Innovation is supported by new products during the past year and ODM capability, although there is no 3D software, SDK, or ERP integration. Financial credibility cannot be confirmed from the available evidence because only reporting years are provided, without financial results. Customer-case evidence is limited to OEM service for well-known brands.

Supplier typeThe supplier is explicitly described as a professional technical supplier and, separately, as a trading company in the wholesale and retail industry. This indicates technical-service positioning combined with a trading-company structure.

CertificationsThe supplier reports holding OHSAS/OHSMS 18001, ISO 9001, and ISO 14001 certifications. These stated certifications provide explicit evidence of formal occupational safety, quality, and environmental management systems.

After-Sales capabilityThe supplier has clear procedures and followed records for corrective/preventive actions and customer complaints. However, it reports no overseas warehouses, showrooms, agents, branches, or offline trade-show participation, and serves zero overseas countries according to the stated field, limiting evidence of localized overseas support.

R&D capabilityInnovation evidence includes new products in the past year, ODM services, and R&D capability with 11–20 engineers. The supplier lacks 3D software, an available SDK, and ERP-based digital management, indicating product-development capability but limited supporting digital infrastructure.

Production capacityThe supplier reports annual electric-motor output of 100,000 pieces, 11–20 quality-control staff, and markets across multiple global regions. These statements explicitly support established production and quality-control capacity, although no additional capacity or utilization details are provided.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization, and also provides ODM and OEM services. This demonstrates broad customization coverage beyond standard products.

Client casesThe supplier states that it provides OEM services for well-known brands, which is direct evidence of at least one type of customer reference. No brand names, project details, volumes, or independently verifiable case information are provided.