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Circuit Breakers Miniature Over-Current Protection
US$1.00-1.50
1,000 Pieces
Sample price:US$3.00/piece.Request sample

Product profile

Customization

Available

Breaking Capacity

Low Voltage Circuit Breakers

Operation

Manual Type

Model NO.

SUNRUN

Speed

High-Speed Circuit Breaker

Arc-extinguishing Medium

Air

Installation

Fixed

Structure

MCB

Poles Number

1,2,3,4

Type

Circuit Breaker

Function

Overload, Short-Circuit Protection

Certification

ISO9001-2000, CE, CB, CCC

Rated Current(a)

4,6,10,16,20,25,32,40,50,63

Rated Frequency

50/60Hz

Rated Voltage

230/400V AC

Rated Short-Circuit Making Capaity

10000A

Transport Package

120 Poles/Carton

Specification

IEC/EN 60898-1

Trademark

OEM/LONGROAD

Origin

China

Production Capacity

1000, 000 Poles/Month

Key features

Comprehensive Protection: Protects circuits against short-circuit and overload currents with switching and isolation functions.
Multiple Pole Options: Available in 1, 2, 3, and 4 poles to suit various electrical distribution needs.
Wide Current Range: Rated currents from 4A to 63A to match different load requirements.
High Breaking Capacity: Rated short-circuit breaking capacity up to 10,000A for robust safety.
DIN Rail Mounting: Easy installation on standard 35mm DIN rail using a fast clip device.
IEC Standard Compliance: Meets IEC/EN 60898-2 standards for reliable performance.
Long Mechanical Life: Designed for durability with a mechanical life of 20,000 operations.
IP20 Protection Degree: Provides safe operation with an IP20 protection rating against solid objects.

Company profile

Business Type: Manufacturer/FactoryExport Year: 2010-03-06 CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤2.01h 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 are the available pole configurations?
A:
This miniature circuit breaker is available in 1, 2, 3, and 4 pole configurations.
Q:What is the rated short-circuit breaking capacity?
A:
The rated short-circuit breaking capacity is 10,000A.
Q:What is the rated current range?
A:
The rated current ranges from 4A to 63A, including 4, 6, 10, 16, 20, 25, 32, 40, 50, and 63A.
Q:What is the mechanical life of the breaker?
A:
The mechanical life is 20,000 operations.
Q:How is the circuit breaker mounted?
A:
It is mounted on a 35mm DIN rail using a fast clip device according to EN 60715.

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