What protection functions are included?

It provides comprehensive protection including input/output phase loss, running overload, starting/running overcurrent, and underload.

Does the device support communication protocols?

Yes, it features RS485 communication output and supports the Modbus RTU protocol for connectivity.

Hot Selling Three Phase Intelligent Built in Bypass Soft Starter for Electrical Control

Name: Hot Selling Three Phase Intelligent Built in Bypass Soft Starter for Electrical Control
Brand: Zhejiang C&J Electrical Holding Co., Ltd.
SKU: 2225819535

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

Negotiable

100 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Application

System Protection

Output Type

Dual

Model NO.

CJR1-360-7.5-Z

Principle of Work

V/F Control Transducer

Switch Mode

PWM Control

Main Circuit Type

Voltage

Voltage of Power Supply

Low Voltage Variable-Frequency Drive

Link of Transformation

AC-AC Variable-Frequency Drive

Nature of DC Power

Current Variable-Frequency Drive

Function

Motor Protection

Brand

Cejia

Power Ranging

0.37kw to 115kw

Communication Output/Input

RS485

Color

Grey

Power

7.5kw

Transport Package

Export Standard Carton Box

Specification

55*157*162mm

Trademark

C&J and OEM

Origin

China

Production Capacity

5000PCS/Month

Key features

Wide Power Range: Supports motor power from 0.37kW to 115kW for versatile applications.

Comprehensive Protection: Includes input/output phase loss, overload, overcurrent, and underload protection.

Flexible Control Options: Features V/F control, PWM mode, and optional soft start/stop curves.

RS485 Communication: Built-in RS485 port supporting Modbus RTU protocol for easy integration.

User-Friendly Display: Removable panel with bilingual Chinese and English display for clear feedback.

Reliable Manufacturer: Over 20 years of experience with strict quality control from raw materials to packaging.

Customizable Settings: Programmable relays and customizable protection parameters to meet specific needs.

Competitive Pricing: State-of-the-art manufacturing facility ensures high quality at very competitive prices.

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 a professional manufacturer for low-voltage circuit breaker series products, integrating research and development, manufacturing, processing, and trade departments together.

Q:How does your factory do the quality control?

Quality is priority. We attach importance to quality control from the beginning to the end of production. Every product is fully assembled and carefully tested before packing and shipping.

Q:Is the MOQ fixed?

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

Q:Can the inverter connect with a computer?

Yes. All inverters have a built-in RS485 port and support the Modbus communication protocol.

Q:What is the power range of this soft starter?

This soft starter is suitable for motor switch power ranging from 0.37kW to 115kW.