What is the warranty period?

The product comes with a 24-month warranty covering mechanical defects and performance issues.

What is the lead time for orders?

Lead time is one month during the off-season and 1-3 months during the peak season.

Gwiec 7.5 Kw 18.5 37 Air Conditioner Starter Soft Start Motor Controller

Name: Gwiec 7.5 Kw 18.5 37 Air Conditioner Starter Soft Start Motor Controller
Brand: Yueqing Greenwich Imp & Exp Co., Ltd.
SKU: 1914805711

Zhejiang, ChinaYueqing Greenwich Imp & Exp Co., Ltd.

US$100.00-300.00

1 Piece

Product profile

Customization

Available

Application

General Transducer

Output Type

Triple

Model NO.

R1-Z800-15KW

Principle of Work

AC to AC Soft Starter

Switch Mode

PAM 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

Voltage Variable-Frequency Drive

Function

Protect The Motor

Brand

Gwiec

Output Form

4-20mA DC Analog Output

Phase

Three Phase

Color

Gray

Product Name

Soft Starter

Power

15 Kw

Shell Material

All Refractory Material

Certification

Warranty

24 Months

Transport Package

Export Standard Carton Box

Specification

7.5 KW-315 KW

Trademark

Gwiec

Origin

Yueqing

HS Code

8511409900

Production Capacity

5000

Key features

Soft Start Technology: Superior alternative to star/delta starters, eliminating damaging torque transients and voltage ramp issues.

Five Start Modes: Includes ramp voltage, current limit, snap action, and heavy load shock start for diverse applications.

Comprehensive Protection: Features over-current, over-voltage, phase loss, short circuit, and thermal protection for motor safety.

Pump & Fan Optimization: Reduces hydraulic shocks, mechanical stress, and starting current while preventing reverse rotation damage.

Flexible Production Levels: Five adjustable levels (Elementary to Advanced) allow customization for light to heavy load scenarios.

Advanced Monitoring: Multi-display shows voltage, current, apparent power, and thermal equilibrium with 9-error message storage.

CE Certified Quality: Manufactured with all refractory materials and certified for safety and performance standards.

Company profile

Yueqing Greenwich Imp & Exp Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2017-07-19Nearest Port: ningboAverage Response Time: ≤11.67hTerms of Payment: LC, T/T, PayPalInternational Commercial Terms(Incoterms): FOB

AI-Powered supplier vetting

SummaryYueqing Greenwich Imp & Exp Co., Ltd. is identified as a China-based manufacturer/factory and limited company located in Zhejiang, with a factory in the Qiligang/Liushi area. The supplier reports ISO 9001 certification, 10 production lines, 6–10 R&D engineers, and 6–10 quality-control staff. Listed production capacities are 90,000 contactors, 210,000 circuit breakers, 30,000 switches, and 60,000 relays. Its product scope centers on electrical components including MCCBs, MCBs, contactors, relays, starters, and circuit breakers. Export activity reportedly began in 2017, with 41%–50% of sales from exports and exports conducted directly or through agents. The records provide limited evidence on after-sales service, financial credibility, innovation, customization, and customer-case depth. Trade records show one transaction associated with a Kazakhstan buyer in February 2025, but monetary figures are omitted.

Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory and Limited Company, with its head office and factory located in Zhejiang, China. However, another record describes the company nature as a trading company, indicating a mixed or potentially inconsistent classification across the available data.

CertificationsThe supplier reports holding ISO 9001 certification for its management systems. This is explicit evidence of a documented quality-management certification, although no certification scope, issuing body, or validity dates are provided.

R&D capabilityThe supplier reports 6–10 years of total R&D-engineer experience, and its company description mentions continuous improvement and innovation. These provide some positive indication of development capability, but no specific patents, proprietary products, R&D projects, or new-product examples are supplied.

Production capacityThe supplier reports 10 production lines, 6–10 quality-control staff, and stated annual capacities of 90,000 contactors, 210,000 circuit breakers, 30,000 switches, and 60,000 relays. The same capacity figures appear consistently across two records, and a physical factory location plus ISO 9001 certification are reported, supporting a positive assessment of production capability.

Product Q&A

Q:What are the main advantages over star/delta starters?

Soft starters eliminate damaging torque transients during switching and provide controlled voltage ramp down, ensuring smoother acceleration and stopping compared to star/delta or auto-transformer starters.

Q:What start modes are available?

The controller offers five modes: Ramp voltage start, Current limit start, Snap action + Ramp voltage, Snap action + Current limit, and Heavy load strong shock start.

Q:What protection functions does it include?

It provides protection against voltage loss, undervoltage, overvoltage, over-current, overheating, starting over time, phase losses, three-phase unbalance, and short circuits.

Q:Can the production level be adjusted for different loads?

Yes, the JJR2 production is divided into five levels (Elementary, Light, Standard, Heavy, Advanced) set by F12 to match specific load requirements.

Q:What optional functions are supported?

Optional functions include start delay (0-999s), running delay, starting interval delay, over-heat unlock delay, error message storage (last 9 errors), and auto-restart (up to 9 times).