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Overcurrent Protection Circuit Breaker 20A 25A 40A 32A MCB with High Quality
US$0.10-1.00
1 Piece
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableBreaking Capacity
Low Voltage Circuit BreakersOperation
Manual TypeModel NO.
PLSM 63ASpeed
Normal Type Circuit BreakerArc-extinguishing Medium
AirInstallation
FixedStructure
MCBPoles Number
1Type
Circuit BreakerFunction
Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)Certification
ISO9001-2000, CE, CCCProduct Name
MCBRated Voltage
230/400VOEM
YesBreaking Curve
Curve CTransport Package
Carton PackingTrademark
GWIECOrigin
China ZhejiangProduction Capacity
200, 000PCS/MonthlyKey features
High Breaking Capacity: Achieves 10kA breaking capacity with super ARC chamber and special contact block structure.
Multi-function Terminals: Terminals support copper connectors, round wires, or combined connections for flexible wiring.
Visible Contact Indication: Features a visible contact block breaking indicator for safe wire isolation and status monitoring.
Standard Compliance: Conforms to IEC 60898 and GB10963-1999 standards for reliable performance and safety.
Customizable Curves: Operation characteristics available in B, C, and D styles to meet diverse demand requirements.
OEM Service Available: OEM service is explicitly supported for product name and rated voltage customization.
Safety Design: Comfortable handle and safe on/off actions ensure user protection during operation.
Low Maintenance: Designed for untrained personnel use with no need for regular maintenance.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2017-07-19Nearest Port: ningboAverage Response Time: ≤10.86hTerms of Payment: LC, T/T, PayPalInternational Commercial Terms(Incoterms): FOB
AI-Powered supplier vetting
SummaryYueqing Greenwich Imp & Exp Co., Ltd. is identified as a China-based manufacturer/factory and limited company located in Zhejiang, with a factory in the Qiligang/Liushi area. The supplier reports ISO 9001 certification, 10 production lines, 6–10 R&D engineers, and 6–10 quality-control staff. Listed production capacities are 90,000 contactors, 210,000 circuit breakers, 30,000 switches, and 60,000 relays. Its product scope centers on electrical components including MCCBs, MCBs, contactors, relays, starters, and circuit breakers. Export activity reportedly began in 2017, with 41%–50% of sales from exports and exports conducted directly or through agents. The records provide limited evidence on after-sales service, financial credibility, innovation, customization, and customer-case depth. Trade records show one transaction associated with a Kazakhstan buyer in February 2025, but monetary figures are omitted.
Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory and Limited Company, with its head office and factory located in Zhejiang, China. However, another record describes the company nature as a trading company, indicating a mixed or potentially inconsistent classification across the available data.
CertificationsThe supplier reports holding ISO 9001 certification for its management systems. This is explicit evidence of a documented quality-management certification, although no certification scope, issuing body, or validity dates are provided.
R&D capabilityThe supplier reports 6–10 years of total R&D-engineer experience, and its company description mentions continuous improvement and innovation. These provide some positive indication of development capability, but no specific patents, proprietary products, R&D projects, or new-product examples are supplied.
Production capacityThe supplier reports 10 production lines, 6–10 quality-control staff, and stated annual capacities of 90,000 contactors, 210,000 circuit breakers, 30,000 switches, and 60,000 relays. The same capacity figures appear consistently across two records, and a physical factory location plus ISO 9001 certification are reported, supporting a positive assessment of production capability.
Product Q&A
Q:What is the breaking capacity of this MCB?
A:
The breaking capacity is 10kA, achieved through a super ARC chamber and special contact block structure.
Q:What certifications does the product have?
A:
The product conforms to IEC 60898 and GB10963-1999 standards and holds ISO9001-2000, CE, and CCC certifications.
Q:Can the operation characteristic be customized?
A:
Yes, the operation characteristic can be made as B, C, or D style to meet different demands.
Q:What types of wires can be connected?
A:
Terminals are multi-function, supporting copper connectors, round wires, or a combination of flat and round wires.
Q:Is OEM service available for this product?
A:
Yes, OEM service is available for customizing the product name and rated voltage.
Send Inquiry
*To:
Yueqing Greenwich Imp & Exp Co., Ltd.
Yueqing Greenwich Imp & Exp Co., Ltd.*Content:
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