What is the recommended starting frequency?

Standard products are recommended to start and stop no more than 6 times per hour.

High Quality 18.5kw Three Phase 380VAC Motor Soft Starter for Water Pump

Name: High Quality 18.5kw Three Phase 380VAC Motor Soft Starter for Water Pump
Brand: Zhejiang C&J Electrical Holding Co., Ltd.
SKU: 2225828955

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.

CJR3-3185

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

C&J

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

Comprehensive Protection Functions: Protects against phase loss, overcurrent, thermal overload, undervoltage, and more.

Smooth Starting and Stopping: Reduces starting current and eliminates water hammer effects in pumps.

Modbus RTU Communication: Built-in RS485 port supports easy networking and computer connection.

Multiple Starting Modes: Supports voltage ramp, current ramp, and acceleration ramp for various loads.

Wide Power Range: Available from 0.37kW to 115kW to suit different motor requirements.

Flexible MOQ Policy: Accepts small orders as trial orders with flexible minimum quantity.

Dual Closed-Loop Control: Detects load voltage and current for smooth, vibration-free operation.

Compact Modular Design: Optimized structure facilitates easy system integration and maintenance.

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: ≤7.47h

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.