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Wholesale Price Lw28-20yh3 20A Rotary Switch Electrical Universal Changeover Switch
Negotiable
100 Pieces
Sample price:US$0.00/piece.Request sample
Product profile
Customization
AvailableRotary Number
Single ButtonUsage
Electrical ApplianceModel NO.
LW28-20YH3Standard
Ec 947-3/DIN VDE 0660(En 60947-3)Structure
Screw ShankOperation
KnobCertification
CECondition
NewRated Working Voltage
440V and BelowDC Voltage
240V and BelowCurrent Ratings
10A,20A,25A,32A,63A,125A,160AOEM
AcceptTransport Package
Normal PackageTrademark
C&JOrigin
WenzhouHS Code
8535301090Production Capacity
500000PCS/YearKey features
Wide Current Range: Available in ratings from 10A to 160A for diverse electrical needs.
OEM Acceptance: Customization options accepted for specific voltage and current requirements.
Compact Design: Small size and compact structure with exquisite material selection.
High Reliability: Features good insulation, flexible operation, and novel appearance.
Versatile Applications: Suitable for motor control, circuit measurement, and welding machine switching.
Safety Features: Includes finger protection and lockable switch options for critical equipment.
Standard Compliance: Meets GB14048.3, GB14048.5, EC60947-3, and EC60947-5-1 standards.
Long Mechanical Life: Mechanical life of 0.1 million cycles at 120 operations per hour.
Company profile
Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2021-02-26Average Response Time: ≤7.36h
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.
Product Q&A
Q:What are the rated voltage limits?
A:
The switch supports AC up to 440V and DC up to 240V.
Q:Can I request custom specifications?
A:
Yes, OEM services are accepted for rated working voltage and current ratings.
Q:What is the mechanical life of the switch?
A:
The mechanical life is 0.1 x 10^6 times with an operating frequency of 120 times per hour.
Q:Are there safety protection features available?
A:
Yes, specific models offer finger protection, and lockable switches are available for 63A and below.
Q:Can this switch replace older models?
A:
Yes, it is designed to replace domestic LW2, LW5, HZ5 series and imported transfer switches.
Send Inquiry
*To:
Zhejiang C&J Electrical Holding Co., Ltd.
Zhejiang C&J Electrical Holding Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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