What protection features are included?

It includes phase failure, phase loss, overvoltage, and over-current protections, plus electric and mechanical limits.

What is the minimum order quantity?

The minimum order quantity is 1 unit.

Three-Phase Oil-Immersed Induction Regulator 380V Full-Automatic Compensation Power Supply High-Power Booster

Name: Three-Phase Oil-Immersed Induction Regulator 380V Full-Automatic Compensation Power Supply High-Power Booster
Brand: Zhejiang Wenma Electric Co., Ltd.
SKU: 2040124652

Zhejiang, ChinaZhejiang Wenma Electric Co., Ltd.

US$2,460.00-8,500.00

1 Piece

Product profile

Customization

Available

Current Type

Phase

Three Phase

Model NO.

TNSJA-500KVA

Frequency Characteristics

Low Frequency

Frequency

Low Frequency

Size

Large

Iron Core Shape

Ring

Power Source

Switching Regulated Power Supply

Application Range

Industrial and Mining Enterprises

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

WENMA

Origin

Zhejiang, China

HS Code

8504401990

Key features

Brushless Stepless Regulation: Achieves smooth voltage adjustment without carbon brushes, ensuring contactless operation and zero mechanical wear.

High Efficiency Performance: Efficiency exceeds 98% with waveform distortion kept below 0.1%, minimizing power loss and heat generation.

Robust Oil Immersed Cooling: Utilizes 10# transformer oil and radiating pipes for effective heat dissipation and long-term stability.

Comprehensive Protection System: Features phase failure, phase loss, overvoltage, and over-current protections with dual electric and mechanical limits.

Customizable Input Voltage: Input voltage can be customized to 380V, 400V, 440V, or 480V to meet specific industrial requirements.

Superior Overload Capacity: Designed with high impact resistance and strong instantaneous overload capacity for harsh industrial environments.

Low Noise Operation: Operates at a noise level of only 55 dB, ensuring a quieter working environment.

Long Service Life: Rated operation time exceeds 100,000 hours with maintenance-free design and durable construction.

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: ≤0.34h

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.