What is the expected lifespan of the device?

The operation time is greater than or equal to 100,000 hours.

Is there surge protection included?

Yes, the input terminal is equipped with a high-energy surge impulse suppressor.

Fully Automatic Three-Phase High Precision Voltage Regulator 380V

Name: Fully Automatic Three-Phase High Precision Voltage Regulator 380V
Brand: Zhejiang Wenma Electric Co., Ltd.
SKU: 2042482642

Zhejiang, ChinaZhejiang Wenma Electric Co., Ltd.

US$130.00-1,200.00

1 Piece

Product profile

Customization

Available

Current Type

Phase

Three Phase

Model NO.

TNS-10-40KVA

Frequency Characteristics

Low Frequency

Usage

SVC, JIW, Tns

Frequency

Low Frequency

Size

Large

Iron Core Shape

Ring

Power Source

Switching Regulated Power Supply

Application Range

Industrial and Mining Enterprises

Brand

Chwenma

Insulated Strength

2500V, 1min Does Not Have The Puncture

Insulated Electric Resistance

≥5mΩ

Efficiency

≥98%

Working Frequency

50~60Hz

Ambient Temperature

-15℃~+45℃

Relative Humidity

≤90%

Stabilizing Accuracy

±1% ~5%

Waveform Distortion

≤ 0.1%

Input Voltage

380V / 400V / 440V / 480V (Can Be Customized)

Transport Package

Wooden Boxes

Specification

10KVA-3600KVA

Trademark

CHWENMA

Origin

Zhejiang, China

HS Code

8504401990

Key features

High Efficiency: Efficiency is guaranteed to be greater than or equal to 98%.

Low Distortion: Waveform distortion is kept below 0.1% for clean power output.

Fast Response: Response time is less than 100ms for rapid voltage adjustment.

Wide Input Voltage: Supports 380V, 400V, 440V, and 480V input with customization options.

Surge Protection: Equipped with high-energy surge impulse suppressor for safety.

Long Lifespan: Designed for continuous operation with over 100,000 hours of service.

OEM/ODM Support: Full customization, sample-based, and design-based customization available.

Low Noise Operation: Operates quietly with noise levels capped at 55 dB.

Company profile

In-stock CapacityFast DeliveryLow MOQQuality Assurance

Zhejiang Wenma Electric Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤0.71h

AI-Powered supplier vetting

SummaryThe supplier is a limited company with 10 employees, based in Yueqing, Zhejiang, China, and offers voltage regulators. It provides OEM and ODM services, including multiple customization options, but reports no new product development in the past year and no available SDK. Manufacturing-related strengths include valid contracts with affiliated subcontractors, in-stock capability, quality assurance, and documented supplier-assessment and corrective-action procedures. Service coverage is primarily domestic: it has no overseas warehouse, showroom, agents, branches, or reported overseas-service countries, and has not participated in offline trade shows. Financial records are identified for 2021–2023, but the provided slices do not establish financial strength. Customer complaint handling has documented procedures and records. No explicit certifications or named customer cases are provided.

Supplier typeThe supplier is identified as a limited company, not part of a larger corporate group, with 10 employees. Its listed product scope is voltage regulators, and its company type is recorded as combined, indicating a small independent supplier with a defined product focus.

After-Sales capabilityThe supplier has a documented customer-complaint handling procedure with implementation records and offers in-stock service. However, it reports no overseas warehouse, showroom, agent, branch, or overseas-service country, limiting demonstrated international after-sales coverage.

Production capacityManufacturing capability is supported by valid contracts with associated subcontractors, in-stock capacity, quality assurance, written supplier-assessment procedures, and corrective/preventive-action records. The stated peak- and off-season lead times are within 15 workdays to one month, indicating an established production and service process.

Customization capabilityThe supplier explicitly offers OEM services for well-known brands and ODM services, along with customization from samples, designs, full customization, minor customization, and flexible customization. These stated service options demonstrate broad customization capability.