What are the available rated currents?

Rated currents include 40A, 63A, 80A, 90A, and 100A depending on the specific model.

How long is the mechanical life of the motor?

The motor mechanical life is guaranteed to be at least 100,000 times.

Hot Selling 63A Over and Under Voltage Protective Device Adjustable Voltage Protector

Name: Hot Selling 63A Over and Under Voltage Protective Device Adjustable Voltage Protector
Brand: Zhejiang C&J Electrical Holding Co., Ltd.
SKU: 2230553175

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

Negotiable

100 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Breaking Capacity

Low Voltage Circuit Breakers

Operation

Electric Type

Model NO.

NEW DESIGN 63A

Speed

Normal Type Circuit Breaker

Arc-extinguishing Medium

Air

Installation

Fixed

Structure

MCB

Poles Number

Type

Circuit Breaker

Function

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

Certification

ISO9001-2000, CE, CB

Rated Frequency

50/60Hz

Rated Current

40/63A/80A

Rated Voltage

AC220VAC 50Hz

Number of Poles

2p(36mm)/4p(72mm)

Transport Package

Normal Package

Specification

10-63A

Trademark

C&J

Origin

Wenzhou

HS Code

85362000

Production Capacity

5000000

Key features

Multi-Function Protection: Integrates overvoltage, undervoltage, phase failure, imbalance, and overcurrent protection.

Adjustable Voltage Settings: Over-voltage cut-off adjustable 230-300V; Under-voltage protection adjustable 110-210V.

Flame Retardant Material: Constructed with high-quality flame retardant materials for enhanced safety.

Automatic Reset Feature: Features automatic reset capability for continuous and reliable operation.

Long Mechanical Life: Motor mechanical life exceeds 100,000 times for durability.

CE and ISO Certified: Certified with CE, CB, and ISO9001-2000 standards for quality assurance.

Flexible Current Ratings: Available in 40A, 63A, 80A, 90A, and 100A rated working currents.

Adjustable Time Delay: Over current power off time adjustable from 1-30s to 1-400s.

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: ≤7.79h

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 will you choice 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 over-voltage cut-off value?

The over-voltage cut-off value is adjustable, ranging from 230-300V for 2P models and 390-500V for 4P models.

Q:What protection functions does the device offer?

It offers overvoltage, undervoltage, phase failure, phase imbalance, phase sequence, and overcurrent protection.