What is the cooling method used?

It features a bi-symmetrical radial ventilation system with air inlet from end covers.

What is the mounting type?

The motor uses a horizontal mounting type with base and foot.

What are the efficiency classes available?

IE1, IE2, and IE3 efficiency classes are available for selection.

Jr138-8th 245kw 320kw Three-Phase Asynchronous Induction Motor for Ball Mill

Name: Jr138-8th 245kw 320kw Three-Phase Asynchronous Induction Motor for Ball Mill
Brand: Shandong Langrui Industrial Co., Ltd.
SKU: 2105287772

Shandong, ChinaShandong Langrui Industrial Co., Ltd.

US$6,700.00-10,980.00

1 Piece

Product profile

Customization

Available

Application

Industrial

Operating Speed

Constant Speed

Model NO.

JR138-8

Number of Stator

Three-Phase

Species

Jr Motor

Rotor Structure

Wound Rotor

Casing Protection

Closed Type

Number of Poles

Starting Mode

Direct on-line Starting

Certification

ISO9001, CCC, CE, EAC, ATEX

Brand

Langrui

Voltage

380/400/660/6kv/10kv

Rated Power

245kw~320kw

Rotating Speed

750rpm

Efficiency

Ie1/Ie2/Ie3

Frequency

50/60Hz

Insulation Class

F/H

Protection Grade

IP21/IP23

Cooling Method

IC01

Transport Package

Standard Export Packing

Specification

Copper Rotor

Trademark

Origin

Shandong, China

HS Code

8501530090

Production Capacity

50000 Pieces/Year

Key features

Wide Power Range: Available from 60kW to 780kW to meet diverse industrial needs.

Multiple Voltage Options: Supports 380V, 6000V, and 10000V for flexible grid integration.

High Starting Torque: Wound rotor design ideal for ball mills and crushers with large load.

Efficient Cooling System: Bi-symmetrical radial ventilation ensures stable operation under load.

Broad Application Scope: Suitable for coal mines, power plants, and various industrial machinery.

Multiple Certifications: Complies with ISO9001, CCC, CE, EAC, and ATEX standards.

Flexible Efficiency Levels: Offers IE1, IE2, and IE3 efficiency classes for energy optimization.

Robust Construction: Closed type casing with IP21/IP23 protection for harsh environments.

Company profile

Shandong Langrui Industrial Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2014-11-17Nearest Port: QINGDAO, SHANGHAI, NINGBOAverage Response Time: ≤1.46hTerms 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.