What is the maximum operating voltage?

The rated working voltage is up to 440V AC and 240V DC.

Can it replace older switch models?

Yes, it can replace domestic models like LW2, LW5, LW6 and imported transfer switches.

High Quality Lw28 4 Position Universal Switch Rotary Switch Changeover Switch

Name: High Quality Lw28 4 Position Universal Switch Rotary Switch Changeover Switch
Brand: Zhejiang C&J Electrical Holding Co., Ltd.
SKU: 2231302505

Zhejiang, ChinaZhejiang C&J Electrical Holding Co., Ltd.

Negotiable

100 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Rotary Number

Single Button

Usage

Electrical Appliance

Model NO.

LW28-20

Standard

Ec 947-3/DIN VDE 0660(En 60947-3)

Structure

Screw Shank

Operation

Knob

Certification

Condition

New

Rated Working Voltage

440V and Below

DC Voltage

240V and Below

Current Ratings

10A,20A,25A,32A,63A,125A,160A

OEM

Transport Package

Normal Package

Trademark

C&J

Origin

Wenzhou

HS Code

8535301090

Production Capacity

500000PCS/Year

Key features

Wide Current Ratings: Available in 10A, 20A, 25A, 32A, 63A, 125A, and 160A options.

Versatile Applications: Suitable for motor control, circuit switching, and welding machine changeover.

Compact and Reliable: Features small size, compact structure, and excellent insulation for safety.

Comprehensive Certifications: Meets GB14048.3, GB14048.5, EC60947-3, and EC60947-5-1 standards.

Lockable Options: Derivatives include padlock and lockable switches for 63A and below.

OEM Service Available: Accepts OEM customization for specific requirements.

Long Mechanical Life: Mechanical life up to 0.1 million cycles at 120 operations per hour.

Broad Voltage Range: Rated working voltage up to 440V AC and 240V DC.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Zhejiang C&J Electrical Holding Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2021-02-26Average Response Time: ≤7.63h

AI-Powered supplier vetting

SummaryZhejiang C&J Electrical Holding Co., Ltd. is a China-based limited company identified as both a trading company and manufacturer/factory. It produces circuit breakers, inverters, and related electrical products, with three production lines, 6–10 quality-control staff, and stated annual miniature circuit-breaker output of 10,000,000 pieces. The supplier reports ISO 9001 management-system certification and describes CE/CB certification coverage, while an SGS audit record is valid from July 23, 2025 to July 22, 2026; the audit result is recorded as “0,” but its meaning is not defined. The company states that it serves more than 50 countries and regions and that exports represent 41%–50% of sales. It reports 50 years of combined R&D engineer experience and product intellectual-property and design-patent ownership. Evidence is insufficient to verify after-sales services, financial credibility, OEM/ODM customization, or named customer cases.

Supplier typeThe supplier is explicitly classified as both a trading company and manufacturer/factory, operates as a limited company in Zhejiang, China, and describes integrated R&D, production, sales, and electrical-product manufacturing activities.

CertificationsThe supplier reports ISO 9001 certification and states that its products undergo CE, CB, and other certification systems. An SGS audit record is listed as active from July 23, 2025 to July 22, 2026, although the recorded audit result “0” is not explained in the provided data.

R&D capabilityThe company states that inverter technology development is a core activity, maintains R&D and production functions, reports 50 years of total R&D-engineer experience, and claims intellectual-property and design-patent ownership. Specific recent product-launch data and detailed R&D service capabilities remain unknown.

Production capacityThe supplier reports precise manufacturing and testing facilities, three production lines, 6–10 quality-control staff, and annual miniature circuit-breaker output of 10,000,000 pieces. It also identifies manufacturing of circuit breakers, leakage breakers, molded-case breakers, and inverters, supporting a demonstrated production capability.