What is the breaking capacity?

The rated short-circuit capacity is 6000A.

Can it be used for residential applications?

Yes, it is widely used in residential and commercial districts for electric shock and equipment protection.

Cjro3-40 1p+N RCBO Residual Current Circuit Breaker with Overcurrent Protection

Name: Cjro3-40 1p+N RCBO Residual Current Circuit Breaker with Overcurrent Protection
Brand: Zhejiang C&J Electrical Holding Co., Ltd.
SKU: 2051155845

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

Negotiable

500 Pieces

Sample price:US$5.95/piece.Request sample

Product profile

Customization

Available

Breaking Capacity

Low Voltage Circuit Breakers

Operation

Electric Type

Model NO.

CJRO3-40 1P+N

Speed

Normal Type Circuit Breaker

Arc-extinguishing Medium

Vacuum

Installation

Fixed

Structure

MCB

Poles Number

1p+N

Type

Circuit Breaker

Function

Circuit-Breaker Failure Protection, Overcurrent Protection, RCCB

Certification

ISO9001-2000, CE

Rated Voltage

240V(230V)~

Rated Frequency

50/60Hz

Curve Type

B&C Curve

Transport Package

Normal Package

Specification

1p+N

Trademark

GSM

Origin

Wenzhou

HS Code

85362000

Production Capacity

500000PCS/Year

Key features

Comprehensive Protection: Combines MCB and RCD functions for electric shock, overload, and short circuit protection.

Wide Current Range: Available in rated currents from 6A to 40A to suit various distribution needs.

High Breaking Capacity: Rated short-circuit capacity up to 6000A ensures safety during fault conditions.

Multiple Sensitivity Options: Rated residual current sensitivity available from 0.01A to 0.5A for precise protection.

Durable Mechanical Life: Mechanical life of 10,000 operations and electrical life of 4,000 operations.

Standard Compliance: Complies with IEC/EN 61009-1 standard for residual current operated circuit-breakers.

Flexible Mounting: Designed for easy installation on standard 35mm DIN rail with fast clip device.

Fault Current Indicator: Built-in fault current indicator helps quickly identify the cause of tripping.

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 professional manufacturer for low-voltage circuit breaker series products, Integrates research and development, manufacturing, processing and trade departments together. also we supply of different electrical and electronic items

Q:Why should you choose us?

more than 20years of professional teams will give you good quality products ,good service ,and reasonable price

Q:Is the MOQ fixed?

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

Q:What is the rated voltage range?

The RCBO is mainly used in AC 50Hz(60Hz), rated voltage 230/400V.

Q:What certifications do you have?

Our products comply with ISO9001-2000 and CE standards.