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DIN Rail Mount Heavy Duty Performance 4p 100A Changeover Switch
US$5.00-25.00
200 Pieces
Sample price:US$10.30/piece.Request sample
Product profile
Customization
AvailableBreaking Capacity
Low Voltage Change Over SwitchOperation
Manual TypeModel NO.
SF-4PSpeed
Normal SpeedArc-extinguishing Medium
AirInstallation
FixedStructure
Change OverPoles Number
2,3,4Type
Change OverFunction
Change OverCertification
ISO9001-2000, CE, CB, CCCRated Current
16A to 125ARated Voltage
415VNumber of Poles
2p, 3p, 4pRated Operate Current
16, 25, 40, 63, 80, 100, 125ATransport Package
Exporting CartonSpecification
2P, 3P, 4PTrademark
LONGROAD/OEMOrigin
ChinaKey features
Wide Current Range: Rated current options from 16A to 125A for diverse load requirements.
Multi-Pole Configuration: Available in 2P, 3P, and 4P configurations for flexible circuit design.
DIN Rail Mounting: Standard 35mm DIN rail installation for easy integration and compact design.
High Mechanical Durability: Capable of 100,000 mechanical operations for long-term reliability.
Comprehensive Certifications: Certified under ISO9001-2000, CE, CB, CCC, and IEC60947-3 standards.
Advanced Lubrication: Internal handle and shaft coated with lubricating grease to reduce wear.
Versatile Applications: Suitable for power supply switching, solar/mains conversion, and motor control.
Robust Insulation: Rated insulation voltage of 500V and impulse withstand voltage of 4000V.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2010-03-06 CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤2.48h CertifiedTerms of Payment: LC, T/T, D/P, etc. CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR
AI-Powered supplier vetting
SummaryYueqing Long Road Electric Co., Ltd. is a China-based limited trading company established in 2014 according to its business profile, while its company description states it was founded in 2010. It supplies low-voltage electrical products, including MCBs, RCCBs, SPDs, MCCBs, contactors, relays, isolators, and photovoltaic combiner boxes. The supplier reports ISO9001:2015 certification, multiple product certifications, eight production lines, MCB output of 20 million pieces, and one-month lead times in both peak and off-peak seasons. It claims exports to more than 80 countries and regions, although the detailed export-market information is limited to Africa, Southeast Asia, and the Middle East. Evidence supports broad product coverage, documented quality systems, and claimed innovation capabilities. However, after-sales resources, customization capability, financial credibility, and customer performance are insufficiently verified. The profile also contains inconsistencies regarding founding year, supplier...
CertificationsThe supplier explicitly reports an ISO9001:2015 management-system certificate. It also claims product certifications including CE, CB, IEC, SGS, Nemko, SAA, SASO, TUV, CCC, Golden Sun, and VDE, but the provided slices do not include certificate numbers, validity dates, or verification documents.
R&D capabilityThe supplier claims strong independent innovation capabilities, core technologies, multiple patents, and leading-level Internet of Things circuit breakers and photovoltaic and communications DC power-distribution products. These statements provide explicit positive evidence, although patent details and independent technical validation are not included.
Production capacityThe profile reports eight production lines, an MCB output of 20 million pieces, a 300.0 m² manufacturing plant, and one-month order fulfillment in both peak and off-peak seasons. These figures support established production capacity, although the relationship between the reported plant area, production lines, and the supplier's trading-company classification is not clarified.
Client casesThe supplier claims sales to countries and regions including the UK, Spain, Portugal, Singapore, Turkey, Russia, Korea, South Africa, and Nigeria, and separately claims coverage of more than 80 countries and regions. A detailed trade record identifies BTCPOWER CEBU INC as an associated buyer with one recorded transaction, providing some customer evidence but not enough to demonstrate a broad, verified customer portfolio.
Product Q&A
Q:What is the rated voltage of this switch?
A:
The rated voltage is 415V, suitable for AC 50/60 Hz systems.
Q:What current ratings are available?
A:
Rated operate currents range from 16A to 125A, including 16, 25, 40, 63, 80, 100, and 125A.
Q:How many poles does the switch have?
A:
It is available in 2P, 3P, and 4P configurations.
Q:What is the mechanical life of the switch?
A:
The switch supports up to 100,000 mechanical operations.
Q:Is the switch suitable for solar power applications?
A:
Yes, it is suitable for switching between solar power and mains supply.
Send Inquiry
*To:
Yueqing Long Road Electric Co., Ltd.
Yueqing Long Road Electric Co., Ltd.*Content:
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