What is your delivery time?

Stock products can be sent within 3 working days. For non-stock items, delivery time will be confirmed with you.

How do you ship orders?

For small packages, we use Express services such as DHL, FedEx, UPS, TNT, and EMS.

What is the warranty period?

The warranty period is 12 months from the date you receive the goods.

What certificates do your products have?

We have CE, ISO9001, SONCAP, and testing reports for all our products.

What are the payment terms?

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

Do you accept OEM with our logo?

Yes, if the quantity is over 500 pcs per capacity, we can do OEM.

What is your production capacity?

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

What kind of transformer material do you use?

We offer two types: 100% aluminum EI transformer and 100% aluminum toroidal transformer, depending on your requirements.

What is the loading port?

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

Can you offer Form A or C/O?

Yes, absolutely, it is not a problem.

SBW 380V 3phase SBW-400kVA Automatic Compensation Voltage Stabilizer

Name: SBW 380V 3phase SBW-400kVA Automatic Compensation Voltage Stabilizer
Brand: Maosheng Electrical Co., Ltd.
SKU: 1916306365

Zhejiang, ChinaMaosheng Electrical Co., Ltd.

US$750.00-48,000.00

1 Piece

Sample price:US$5700.00/piece.Request sample

Product profile

Customization

Available

Current Type

Phase

Three Phase

Model NO.

SBW-400KVA

Frequency Characteristics

Power Frequency

Frequency

50/60Hz

Size

Large

Iron Core Shape

Power Source

Switching Regulated Power Supply

Application Range

Industrial and Mining Enterprises

Input Voltage

304-456V

Output Voltage

380-+3%

Type

Warranty

1 Year

Transport Package

Packed in Standard Export Carton or Wooden Case

Specification

SBW-100KVA-3000KVA

Trademark

OEM

Origin

China

HS Code

8504401990

Production Capacity

500PCS/Month

Key features

Automatic Voltage Stabilization: Keeps output voltage steady automatically during network fluctuations or load variations.

Wide Input Voltage Range: Accepts input voltage from 304V to 456V for stable 380V output.

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

High Efficiency Output: AC-AC efficiency up to 0.96 with no waveform distortion.

Three Phase Auto-Balance: Features output voltage three phase auto-balance function.

Low Acoustic Noise: Acoustic noise level is less than or equal to 50dB.

Flexible Control System: Available with unite control or independent control servo motor.

CE and ISO9001 Certified: Products come with CE, ISO9001, SONCAP certificates and testing reports.

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: ≤15hTerms 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.