What is your delivery time for stock items?

For products in stock, we can ship within 3 working days. Out-of-stock items require a delivery time check.

How do you ship orders and is it safe?

Small packages are shipped via Express services such as DHL, FedEx, UPS, TNT, or EMS.

What is the warranty period?

We provide a 12-month warranty from the date you receive the goods.

What certificates do your products have?

Our products come with CE, ISO9001, SONCAP, and testing reports.

What are the payment terms?

We accept T/T with a 30% deposit and 70% balance before shipment.

Do you accept OEM logo requests?

Yes, we accept OEM logo requests for quantities over 500 pieces per capacity.

What is your monthly production capacity?

Our average production capacity is 50,000 pieces per month.

What materials are used for the transformer?

We offer two types: 100% aluminum EI transformer and 100% aluminum toroidal transformer.

What is your loading port?

We usually prefer Ningbo port (Zhejiang), but Shanghai port is also acceptable.

Can you provide Form A or C/O?

Yes, providing Form A or C/O is absolutely no problem.

Tns 3 Three Phase Contact AC Voltage Regulator 380V

Name: Tns 3 Three Phase Contact AC Voltage Regulator 380V
Brand: Maosheng Electrical Co., Ltd.
SKU: 1922229705

Zhejiang, ChinaMaosheng Electrical Co., Ltd.

US$138.00-1,282.00

1 Piece

Sample price:US$166.00/piece.Request sample

Product profile

Customization

Available

Current Type

Phase

Three Phase

Model NO.

TNS-6KVA

Frequency Characteristics

Power Frequency

Usage

SVC

Frequency

50/60Hz

Size

Medium

Iron Core Shape

Ring

Power Source

Switching Regulated Power Supply

Application Range

Industrial and Mining Enterprises

Brand

Mskj

Input Voltage

277-430V

Output Voltage

380-+3%

Voltage

Can Customeried

Type

Servo Motor

Transport Package

Packed in Standard Export Carton or Wooden Case

Specification

TNS-6KVA-100KVA

Trademark

OEM

Origin

China

HS Code

8504401990

Production Capacity

5000PCS/Month

Key features

High Precision Voltage Regulation: Maintains output voltage at 380V +/-3% with 90% power factor and 96% efficiency.

Servo Motor Control System: Automatically adjusts carbon brush position to stabilize voltage during grid fluctuations.

Comprehensive Protection Functions: Includes over-voltage, under-voltage, short circuit, and overload protection mechanisms.

Wide Input Voltage Range: Accepts input voltage from 277V to 430V for stable operation in varying conditions.

Imported Key Components: Uses high-quality imported electronic components to ensure long-term reliability.

Low Noise Operation: Acoustic noise level is kept below 50dB for quiet industrial environments.

Flexible Control Modes: Supports both unified and independent control systems for versatile application.

OEM Logo Customization: Accepts custom logo printing for orders exceeding 500 pieces per capacity.

Company profile

High Repeat Buyers ChoiceYears of Export Experience

Maosheng Electrical Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2004-06-08Average Response Time: ≤11.88hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, EXW

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier with R&D personnel and five production lines. It provides extensive customization, ODM, and OEM services, has introduced new products within the past year, and reports quality assurance, material traceability, and established finished-product inspection instructions. It maintains inventory capability, serves broad global export markets, and reports peak- and off-season lead times within 15 working days. However, it does not provide 3D software design, SDKs, overseas warehouses, overseas branches or agents, overseas showrooms, or offline trade-show participation. Manufacturing capacity lacks a valid contract with related subcontractors, while several service-management procedures have no written records and there is no approved-supplier list. The provided information does not establish certifications or specific customer cases. Financial figures are not included.

Supplier typeThe supplier explicitly identifies itself as a professional technical supplier, with 6–10 years of R&D engineer experience, five production lines, and capabilities covering ODM and OEM services. Its products are exported across multiple global regions, indicating an internationally oriented manufacturing supplier.

R&D capabilityThe supplier is identified as a professional technical supplier, reports 6–10 years of R&D engineer experience, and confirms new products within the past year and ODM capability. However, it lacks SDK availability and does not provide 3D software design services; overall innovation capability is supported in product development but not in software-enabled design.

Production capacityThe supplier operates five production lines, has inventory capability, reports lead times within 15 working days in both peak and off seasons, and uses followed inspection instructions with quality assurance and material traceability. A real limitation is that the factory and related subcontractors have no valid manufacturing-capacity contract, and production scale beyond the stated line count cannot be fully assessed.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization, alongside ODM and OEM services for popular brands. These statements directly support broad customization capability.