What is the mechanical life of the circuit breaker?

The mechanical life is no less than 16,000 operations.

What is the electrical life of the circuit breaker?

The electrical life is no less than 6,000 operations (O-C).

What are the rated current options for the 1P model?

The rated current options for the 1P model are 6, 10, 15, 20, 25, 30, 40, 50, 60, 70, 80, 90, and 100 Amperes.

Bh Type 3ka Breaking Capacity MCB Air Circuit Breaker

Name: Bh Type 3ka Breaking Capacity MCB Air Circuit Breaker
Brand: Zhejiang C&J Electrical Holding Co., Ltd.
SKU: 2019089475

Zhejiang, ChinaZhejiang C&J Electrical Holding Co., Ltd.

US$1.25-1.80

100 Pieces

Sample price:US$1.50/piece.Request sample

Product profile

Customization

Available

Breaking Capacity

Low Voltage Circuit Breakers

Operation

Electric Type

Model NO.

CJBH

Speed

Normal Type Circuit Breaker

Arc-extinguishing Medium

Vacuum

Installation

Fixed

Structure

MCB

Poles Number

1,2,3,4p

Type

Circuit Breaker

Function

Circuit-Breaker Failure Protection

Certification

ISO9001-2000, CE

Items

Bh Mini Circuit Breaker

Transport Package

Normal Package

Specification

1P, 2P, 3P, 4P

Trademark

C&J

Origin

Wenzhou

HS Code

85362000

Production Capacity

5000000

Key features

High Breaking Capacity: 3KA breaking capacity ensures reliable protection against short circuits.

Wide Voltage Range: Supports AC 110V to 415V for various single, double, and three-pole applications.

Durable Mechanical Life: Guarantees over 16,000 mechanical operations for long-term reliability.

Multiple Pole Options: Available in 1, 2, 3, and 4-pole configurations to fit different circuit needs.

Vacuum Arc Extinguishing: Utilizes vacuum technology for efficient and safe arc suppression.

Certified Quality: Complies with BS, NEMA standards and holds ISO9001-2000 and CE certifications.

Compact Design: Features small size, light weight, and novel structure for easy installation.

Versatile Applications: Ideal for hotels, high-rise buildings, airports, and industrial plants.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Zhejiang C&J Electrical Holding Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2021-02-26Average Response Time: ≤6.99h

AI-Powered supplier vetting

SummaryZhejiang C&J Electrical Holding Co., Ltd. is a China-based limited company identified as both a trading company and manufacturer/factory. It produces circuit breakers, inverters, and related electrical products, with three production lines, 6–10 quality-control staff, and stated annual miniature circuit-breaker output of 10,000,000 pieces. The supplier reports ISO 9001 management-system certification and describes CE/CB certification coverage, while an SGS audit record is valid from July 23, 2025 to July 22, 2026; the audit result is recorded as “0,” but its meaning is not defined. The company states that it serves more than 50 countries and regions and that exports represent 41%–50% of sales. It reports 50 years of combined R&D engineer experience and product intellectual-property and design-patent ownership. Evidence is insufficient to verify after-sales services, financial credibility, OEM/ODM customization, or named customer cases.

Supplier typeThe supplier is explicitly classified as both a trading company and manufacturer/factory, operates as a limited company in Zhejiang, China, and describes integrated R&D, production, sales, and electrical-product manufacturing activities.

CertificationsThe supplier reports ISO 9001 certification and states that its products undergo CE, CB, and other certification systems. An SGS audit record is listed as active from July 23, 2025 to July 22, 2026, although the recorded audit result “0” is not explained in the provided data.

R&D capabilityThe company states that inverter technology development is a core activity, maintains R&D and production functions, reports 50 years of total R&D-engineer experience, and claims intellectual-property and design-patent ownership. Specific recent product-launch data and detailed R&D service capabilities remain unknown.

Production capacityThe supplier reports precise manufacturing and testing facilities, three production lines, 6–10 quality-control staff, and annual miniature circuit-breaker output of 10,000,000 pieces. It also identifies manufacturing of circuit breakers, leakage breakers, molded-case breakers, and inverters, supporting a demonstrated production capability.

Product Q&A

Q:Are you a trading company or manufacturer?

We are a professional manufacturer for low-voltage circuit breaker series products, integrating research and development, manufacturing, processing, and trade departments together. We also supply various electrical and electronic items.

Q:Why should you choose us?

We have more than 20 years of professional teams that provide good quality products, good service, and reasonable prices.

Q:Is the MOQ fixed?

The MOQ is flexible and we accept small orders as trial orders.

Q:What is the breaking capacity of this MCB?

The breaking capacity is 3KA.

Q:What standards do the products comply with?

The items comply with BS and NEMA standards and hold ISO9001-2000 and CE certifications.