What is the lead time for production?

Peak season lead time is 1-3 months, while off-season lead time is within 15 workdays.

What is the insulation voltage rating?

The insulation voltage is 500V AC, with an impulse voltage resistance of 6000V.

Can the product specifications be customized?

Yes, customization is available for rated frequency, poles, rated working voltage, and release attachments.

High-Performance Miniature Circuit Breaker MCB for Reliable Protection

Name: High-Performance Miniature Circuit Breaker MCB for Reliable Protection
Brand: Nanjing Zhengfeng Foreign Trade Services Co., Ltd.
SKU: 2234267035

Jiangsu, ChinaNanjing Zhengfeng Foreign Trade Services Co., Ltd.

US$3.95

10-99 Pieces

US$2.85

100-199 Pieces

US$2.75

200+ Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Breaking Capacity

Low Voltage Circuit Breakers

Operation

Manual Type

Model NO.

Speed

High-Speed Circuit Breaker

Arc-extinguishing Medium

Air

Installation

Fixed

Structure

MCB

Poles Number

Type

Circuit Breaker

Function

Conventional Circuit Breaker, Circuit-Breaker Failure Protection

Certification

CE, CB, CCC

Rated Frequency

6kVA

Poles

1p/2p/3p/4p

Rated Working Voltage

6,10,16,20,25,32A

Release Attachment

Shunt Release

Transport Package

Cartoon

Specification

72*94*64mm

HS Code

85362000

Production Capacity

100000per/Month

Key features

Multi-Pole Configuration: Available in 1P, 2P, 3P, and 4P options for versatile installation needs.

High Breaking Capacity: Features a segmentation current of 6000A for reliable circuit protection.

Wide Voltage Range: Rated working voltage supports 6V to 32A for diverse low-voltage applications.

Comprehensive Certifications: Certified with CE, CB, CCC, ISO9001, NTEP, and OIML standards.

Robust Insulation: Insulation voltage of 500V AC with impulse voltage resistance up to 6000V.

Flexible Customization: Customizable rated frequency, poles, voltage, and shunt release attachments.

IP20 Protection Level: Provides IP20 protection level for safe and conventional circuit breaking.

Company profile

Nanjing Zhengfeng Foreign Trade Services Co., Ltd.

Jiangsu, China

Business Type: Manufacturer/FactoryExport Year: 2001-04-02Average Response Time: ≤6.64hInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP, DAP

AI-Powered supplier vetting

SummaryNanjing Zhengfeng Foreign Trade Services Co., Ltd. is identified as a China-based limited company with a manufacturer/factory classification, although another record describes it as a trade company and its background as a foreign trade agency established in 2014. The supplier presents a broad electrical-product portfolio and states that it provides design, manufacturing, sales, and OEM customization. ISO 9001:2015 and ISO 14001:2015 management-system certifications are reported, while another record confirms ISO 9001. The company claims after-sales support, international quality and safety compliance, engineering and technical personnel, and ongoing R&D investment. Export markets span multiple regions, and stated lead times are within 15 workdays during off-peak periods and 2–3 months during peak periods. No customer names, project references, quality-control staffing levels, or R&D engineer experience are provided. Financial information is excluded.

CertificationsThe supplier states that its products meet international quality and safety standards and reports ISO 9001:2015 and ISO 14001:2015 management-system certification; ISO 9001 is also separately recorded. These statements provide explicit certification evidence, although no certificate scope or validity details are supplied.

After-Sales capabilityThe company explicitly states that it offers exceptional after-sales support and aims to build long-term customer partnerships. This supports the existence of an after-sales commitment, but no service procedures, response times, support locations, or staffing details are provided.

R&D capabilityThe supplier reports a team of electrical engineers and technicians, substantial R&D investment, continuous process and product improvement, and technology examples involving transformer insulation materials and inverter conversion efficiency. These claims indicate stated innovation activity, but no R&D staffing metrics, patents, test results, or independently verified achievements are provided.

Customization capabilityOEM customization is explicitly offered, with engineers and technicians said to work with clients from requirements through production and distribution. This directly supports customization capability, although no customization examples, minimum volumes, technical limits, or completed projects are provided.

Product Q&A

Q:What are the available pole options for this MCB?

The Miniature Circuit Breaker is available in 1P, 2P, 3P, and 4P configurations.

Q:What is the breaking capacity of this circuit breaker?

The single machine segmentation current (Icn) is 6000A, providing high-speed protection.

Q:What certifications does the product hold?

The product holds CE, CB, CCC, ISO9001, NTEP, and OIML certifications.

Q:What is the minimum order quantity?

One piece is available for sample checking, though sample prices are higher. Mass production pricing depends on quantity.

Q:What industries can this product be applied to?

It is suitable for petrochemical, metallurgical, chemical, port, building material, breeding, paper making, pharmaceutical, food, textile, and logistics industries.