If I have my thoughts, do you have person to design according to my concept?

Certainly,our design team is willing to do for you.

How long to make a sample?

2-5 days which depends on the samples' complexity.

Is the sample fee refundable or not?

Sure, refundable once order confirmed.

Factory 400A 500A Gwiec 3p, 4p Over Voltage Protection MCCB Molded Case Breaker

Name: Factory 400A 500A Gwiec 3p, 4p Over Voltage Protection MCCB Molded Case Breaker
Brand: Yueqing Greenwich Imp & Exp Co., Ltd.
SKU: 2102497005

Zhejiang, ChinaYueqing Greenwich Imp & Exp Co., Ltd.

US$100.00-400.00

50 Pieces

Product profile

Customization

Available

Breaking Capacity

Low Voltage Circuit Breakers

Operation

Electric Type

Model NO.

RM1-800/3P

Speed

High-Speed Circuit Breaker

Arc-extinguishing Medium

Air

Installation

Fixed

Structure

MCCB

Poles Number

3 Pole;4 Pole

Type

Circuit Breaker

Function

Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection

Certification

CE, CCC

Rated Current

63,125,160,200,250,400,630,800,1250,1600A

Dielectric Property

2500,3000V

Rated Current of Frame Size Inm

63,160,200,250L

Rated Current of The N Pole

=in

Rated Insulation Voltage Ui

400,500,690V

Uimp Rated Impulse Withstand Voltage

8000,10000V

Transport Package

Export Packing

Specification

3P, 4P

Trademark

GWIEC

Origin

Wenzhou, Zhejiang, China

HS Code

8536200000

Production Capacity

50000

Key features

High Breaking Capacity: Ultimate short circuit breaking capacity up to 75KA for reliable protection.

Versatile Installation: Supports vertical and horizontal installation with front, rear, and plug-in connections.

Wide Voltage Range: Rated operating voltage up to 690V and rated insulation voltage up to 10000V impulse withstand.

Comprehensive Protection: Provides overload, short-circuit, under-voltage, and circuit-breaker failure protection.

Multiple Pole Options: Available in 3-pole and 4-pole configurations to suit various circuit needs.

Global Certifications: Meets GB14048.2 and IEC60947-2 standards with CE and CCC certifications.

Customizable Current Ratings: Rated current options from 63A to 1600A to match specific application requirements.

Motor Protection Capability: Suitable for infrequent motor starting with overload and short-circuit protection.

Company profile

Yueqing Greenwich Imp & Exp Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2017-07-19Nearest Port: ningboAverage Response Time: ≤9.86hTerms 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.