What is the mechanical life of the switch?

The mechanical life is 0.1 x 10^6 times with an operating frequency of 120 times per hour.

Can it replace existing switch models?

Yes, it is designed to replace domestic models like LW2, LW5, HZ5 and imported transfer switches.

Hot Sale Ammeter Selector Changeover Electrical 20A 4 Position 3p Rotary Cam Switch

Name: Hot Sale Ammeter Selector Changeover Electrical 20A 4 Position 3p Rotary Cam Switch
Brand: Zhejiang C&J Electrical Holding Co., Ltd.
SKU: 2231304125

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.

LW28-20YH3

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 Range: Available in ratings from 10A to 160A to suit various electrical loads.

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

Compact Design: Features small size, compact structure, and exquisite material selection.

Safety Features: Includes finger protection on specific models and lockable options for power cut-off.

High Reliability: Meets GB14048.3, GB14048.5, and EC60947-3 standards for safety and insulation.

OEM Acceptance: Original Equipment Manufacturer services are accepted for customization.

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

Broad Voltage Compatibility: Rated for AC 440V and DC 240V with insulation voltage up to 660V.

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: ≤6.99h

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.