What is your delivery time?

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

How do you ship orders?

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

Where are your main markets?

Our products are exported to Africa, South Asia, the Middle East, and other global regions.

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 Certificate of Origin is not a problem.

How long is the warranty period?

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

What certificates do you 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, OEM is available if the quantity is over 500 pcs per capacity.

What is your production capacity?

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

SBW Three Phase High Accuracy Electric Automatic Voltage Regulator Servo Voltage Stabilizer Power SBW Usage

Name: SBW Three Phase High Accuracy Electric Automatic Voltage Regulator Servo Voltage Stabilizer Power SBW Usage
Brand: Maosheng Electrical Co., Ltd.
SKU: 1921016085

Zhejiang, ChinaMaosheng Electrical Co., Ltd.

US$825.00-45,500.00

1 Piece

Sample price:US$3800.00/piece.Request sample

Product profile

Customization

Available

Current Type

Phase

Three Phase

Model NO.

SBW-300KVA

Frequency Characteristics

Power Frequency

Usage

SBW

Frequency

50/60Hz

Size

Large

Iron Core Shape

Power Source

Switching Regulated Power Supply

Application Range

Industrial and Mining Enterprises

Brand

Mskj

Input Voltage

304-456V

Output Voltage

380-+3%

Type

Warranty

1 Year

Transport Package

Packed in Standard Export Carton or Wooden Case

Specification

SBW-300KVA

Trademark

OEM

Origin

China

HS Code

8504401990

Production Capacity

500PCS/Month

Key features

Wide Input Voltage Range: Supports 304-456V input for stable operation under fluctuating network conditions.

High Efficiency Output: AC-AC efficiency reaches 0.96 with 90% power factor at 380V input.

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

Three Phase Auto-Balance: Ensures output voltage balance across all three phases automatically.

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

Flexible Control System: Available in unified or independent control modes with servo motor drive.

Manual Bypass Function: Includes manual switching bypass for maintenance and safety.

Customizable Protection: Surge arrester and pre-output stabilization can be customized upon request.

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.