What will causes Power failure and what can be done to resolve?

Check whether the positive and negative poles are reversed, and reconnect after confirming. If it cannot be turned on, please return the power supply back to BWT for inspection & repairing.

What are the protection functions of the inverter power supply?

Input under-voltage protection, anti-DC input reverse connection, buffer protection, over-voltage protection, overload protection, short-circuit protection, over-temperature protection, temperature-controlled fan, etc.

19 Inch Rack-Mounted 3kw Static Transfer Switch for 110VAC Systems 2.

Name: 19 Inch Rack-Mounted 3kw Static Transfer Switch for 110VAC Systems 2.
Brand: Shenzhen Bwitt Co., Limited
SKU: 2247434645

Guangdong, ChinaShenzhen Bwitt Co., Limited

US$480.00

1-4 Pieces

US$475.00

5-49 Pieces

US$468.00

50+ Pieces

Product specifications

Rated Current

Sample price:US$480.00/piece.Request sample

Product profile

Customization

Available

Output Type

Single

Warranty

1 Year

Model NO.

BVT-STS25D

Output Power

3000W

Input Voltage

110V

Connection Mode

Parallel Switching Power Supply

Starting Mode

Self-excited Switching Power Supply

Voltage Regulating Mode

Width Modulation Type

Power Supplying System

Terminal Power Distribution Equipment

Energy Transmission

Two-way Transmission

Modulation System

PWM

Certification

CE, ISO

Brand

Bwitt

Product Name

Static Transfer Switch

Type

Single Phase

Transfer Time

4ms

Feature

Dual Cut

Transport Package

Carton Box

Specification

482*343*44.5mm

Trademark

BWITT

Origin

China

HS Code

8537109090

Production Capacity

5000piece/Year

Key features

Ultra-Fast Transfer Time: Transfer time is less than or equal to 4ms for seamless switching.

Dual Cut Protection: Features dual cut capability with intelligent alarm and self-check functions.

Wide Voltage Range: Supports 90-130Vac and 190-260Vac input/output ranges with optional settings.

High Efficiency: Output efficiency reaches 99% or higher for optimal energy transmission.

Comprehensive Certifications: Certified with CE, ISO9001, EN5009, and IEC60950 standards.

SNMP & RS485 Support: Built-in RS485 communication and 90% of products support SNMP monitoring.

Overload Capacity: Can withstand 125% overload for 30 minutes with bypass switching capability.

LCD Monitoring Display: Large screen LCD displays operating status and input voltage parameters.

Company profile

Importers and ExportersYears of Export ExperienceSelf-brandedIn-stock Capacity

Shenzhen Bwitt Co., Limited

Guangdong, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2020-02-01Nearest Port: shenzhen, guangzhuo, FoshanAverage Response Time: ≤0.84h

AI-Powered supplier vetting

SummaryThe supplier demonstrates OEM/ODM and broad customization capabilities, supported by stated experience, R&D personnel, quality-control staff, ISO 9001 certification, and multiple production lines. Export orientation is substantial, with 71%–90% of sales from exports and export activity beginning in 2020. However, no overseas warehouses, showrooms, agents, branches, or offline trade-show participation are reported, and no main export-market presence is recorded. Service procedures exist, but corrective-action and complaint-handling records are not documented. Financial credibility cannot be reliably assessed because the provided financial figures are non-informative and monetary data is excluded.

Supplier typeThe supplier presents itself as a manufacturer with OEM experience, three reported production lines, and both agency-assisted and self-operated export channels. Its product range includes rack-mount inverters, switching power supplies, static transfer switches, and DC converters.

CertificationsThe supplier reports ISO 9001 certification and CE product certification capability. These certifications provide explicit evidence of quality-system and product-compliance credentials, although no further certification scope or validity details are supplied.

R&D capabilityThe supplier reports new products during the past year, offers ODM services, and has 6–10 R&D engineers. However, it reports no available SDK, so software-development integration capability is not demonstrated.

Production capacityThe supplier reports two production lines in one manufacturing record and three in another, plus ongoing quantity reconciliation for each batch or batch production. It also describes controls covering materials, SMT, assembly, aging tests, inspection, and packing, indicating established manufacturing and quality-control processes.

Customization capabilityThe supplier explicitly provides customization from samples, designs, full customization, minor customization, and flexible customization. Its stated OEM experience and ODM availability further support broad product-development flexibility.

Product Q&A

Q:Do you have charging solution?

Yes, BWT suitable for battery charging usage. In this application, our rectifier system is widely used for N+1 power supply and battery charging system management.

Q:Does the product support the SNMP function?

Yes, 90% BWITT product support SNMP. And all product built-in RS485 communication for standard.

Q:What is RS485?

RS485 is a communication interface, support real-time data communication function, and can use the monitoring software to monitor and control the working condition of the inverter power supply in a real-time manner.

Q:How about the inverter load?

Super overload capacity, can withstand full load startup, with bypass switch, can switch to bypass power supply when overloaded.

Q:Can I choose the mains mode for my inverter power supply?

Yes, BWT inverter support AC main power supply and DC main power supply, 2 modes can be selected flexibly, and the mode can be changed through the LCD panel or the communication background software.