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2p + N 25A 4.5ka Residual Current Circuit Breakers with Overcurrent Protection
US$23.00
20-120 Pieces
US$21.90
121-1,200 Pieces
US$20.85
1,201+ Pieces
Sample price:US$23.00/piece.Request sample
Product profile
Customization
AvailableBreaking Capacity
Low Voltage Circuit BreakersOperation
Electric TypeModel NO.
LRFO-80Speed
Normal Type Circuit BreakerArc-extinguishing Medium
AirInstallation
FixedStructure
Conventional Circuit BreakerPoles Number
1p+N, 2p,,3p+N, 4pType
Circuit BreakerFunction
Conventional Circuit Breaker, Overcurrent Protection, RCCB, Residual Current Circuit BreakerCertification
ISO9001-2000, CE, CCCModel
Lrfo-80Rated Voltage(V)
230/400VACSensitivity
10, 30, 100, 300mANumber of Poles
1p+N, 2p, 3p+N,4pTransport Package
Export CartonSpecification
IEC61009-1Trademark
Longroad/OEMOrigin
ChinaHS Code
8536200000Production Capacity
100, 000PCSKey features
Advanced Current Detection: Detects AC, pulsing DC, smoothing DC, and high frequency residual currents up to 1K Hz.
Wide Pole Configuration: Available in 1P+N, 2P, 3P+N, and 4P configurations for versatile installation.
High Breaking Capacity: Rated limited short circuit current of 6000A ensures robust protection.
Durable Performance: Electrical life of 4000 cycles and mechanical life of 5000 cycles.
Comprehensive Certifications: Certified under ISO9001-2000, CE, CCC, TUV, CQC, SGS, ROHS, and SASO.
Multiple Sensitivity Options: Offers sensitivity levels of 10, 30, 100, and 300mA for varied protection needs.
Global Market Presence: Products exported to over 70 countries including UK, Spain, and Russia.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2010-03-06 CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤2.56h 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 types of residual currents can this breaker detect?
A:
It detects AC, pulsing DC (Type A), smoothing DC, compound residual current (Type F), and high frequency signals up to 1K Hz.
Q:What are the available pole configurations?
A:
The breaker is available in 1P+N, 2P, 3P+N, and 4P configurations.
Q:What is the rated short circuit current?
A:
The rated limited short circuit current is 6000A.
Q:What is the electrical and mechanical life of the device?
A:
It has an electrical life of 4000 times and a mechanical life of 5000 times.
Q:What certifications does the product hold?
A:
It holds ISO9001-2000, CE, CCC, TUV, CQC, SGS, ROHS, and SASO certifications.
Send Inquiry
*To:
Yueqing Long Road Electric Co., Ltd.
Yueqing Long Road Electric Co., Ltd.*Content:
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