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Low Voltage Intelligent Frame Circuit Breaker
US$450.00
1 Piece
Sample price:US$500.00/piece.Request sample

Product profile

Customization

Available

Breaking Capacity

Low Voltage Circuit Breakers

Operation

Energy-storage Type

Model NO.

QDW3

Speed

Normal Type Circuit Breaker

Arc-extinguishing Medium

Air

Installation

Open Frame

Structure

ACB

Poles Number

4

Type

Circuit Breaker

Function

Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)

Certification

ISO9001-2000, CE, CB, CCC

Transport Package

Wooden Case

Specification

800A

Trademark

Q&S

Origin

Zhejiang, China

HS Code

8536200000

Production Capacity

30000 PCS / Year

Key features

High Breaking Capacity: Rated limiting short circuit breaking capacity up to 120kA at 400V.
Intelligent Protection: Features selective protection to improve power supply reliability and avoid unnecessary failures.
Wide Application Range: Suitable for AC 50/60Hz, rated voltage up to 690V, and current up to 6300A.
Multiple Certifications: Complies with IEC60947-2, GB14048.2, and holds CE, CB, CCC, and ISO9001-2000 certifications.
Versatile Installation: Available in open frame, fixed, and draw-out types for flexible integration.
Robust Durability: Mechanical operation life up to 10,000 times and electrical life up to 1,000 times.
Comprehensive Protection: Provides overload, under-voltage, short-circuit, single-phase earthing, and overvoltage protection.
Fast Operation: Full breaking time of 20-30ms and full closing time of 55-70ms for rapid response.

Company profile

Business Type: Manufacturer/FactoryExport Year: 2013-03-10Nearest Port: NINGBO; SHANGHAIAverage Response Time: ≤24hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, EXW, CFR, FCA

AI-Powered supplier vetting

SummaryYueqing Quansheng Electric Co., Ltd. is identified as a China-based manufacturer/factory producing circuit-protection and control products, including MCCBs, ACBs, VCBs, fireman switches, magnetic starters, and contactors. The supplier reports ISO 9001-based operations and additional product certifications such as CB, CE, and Semko. Stated annual capacity is 30,000 ACBs, 30,000 VCBs, and 200,000 MCCBs, supported by five production lines and 6–10 quality-control staff. The supplier has exported since 2013, with 90% of total sales reportedly from exports. Evidence supports manufacturing capability, export experience, quality-system certification, and product-focused R&D activity. However, the provided information does not establish after-sales service performance, financial credibility, customization capability, or named customer cases. The supplier’s company classification is somewhat inconsistent across records, which identify both a manufacturer/factory and a trading-company nature.
Supplier typeThe supplier is explicitly listed as a Manufacturer/Factory, with a stated focus on researching, producing, and manufacturing circuit breakers. However, another record classifies the company nature as a trading company, creating a classification inconsistency that should be verified.
CertificationsThe supplier reports ISO 9001 certification or an ISO 9001-based operating system, and also cites product certifications including CB, CE, and Semko. ISO 9001 is explicitly documented, while the other certifications are mentioned in the company description without certificate details.
R&D capabilityThe supplier states that it continuously researches and develops new products, has an operation system covering technical R&D, and is supported by innovative ideas and skilled professors. Its stated product focus is circuit protection, industrial control, and power management, but no R&D investment, patent, laboratory, or product-development metrics are provided.
Production capacityThe supplier reports five production lines and annual output of 30,000 ACBs, 30,000 VCBs, and 200,000 MCCBs, with 6–10 quality-control staff. It also identifies a factory location and manufacturing entity, providing explicit evidence of established production capability.

Product Q&A

Q:What is the rated current range for this circuit breaker?
A:
The rated current ranges from 630A to 6300A, with specific models supporting 630-2000A, 2000-3000A, and 4000-6300A.
Q:What are the available pole configurations?
A:
The circuit breaker is available in 3P (3-pole) and 4P (4-pole) configurations.
Q:What standards does this product comply with?
A:
It conforms to IEC60947-2, GB14048.2, and holds CE, CB, CCC, and ISO9001-2000 certifications.
Q:What is the maximum rated voltage?
A:
The rated operation voltage is up to 690V, with a rated insulation voltage of 800V.
Q:What types of protection does it offer?
A:
It provides conventional circuit breaking, failure protection, overcurrent protection, overvoltage protection (OVP), and selective protection.

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