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.

Low Voltage DC Power Screen 300A for Telecommunication Equipment

Name: Low Voltage DC Power Screen 300A for Telecommunication Equipment
Brand: Shenzhen Bwitt Co., Limited
SKU: 2279844115

Guangdong, ChinaShenzhen Bwitt Co., Limited

US$5,000.00

1-9 Pieces

US$4,200.00

10-49 Pieces

US$4,000.00

50+ Pieces

Product specifications

Power System

Product profile

Customization

Available

Type

Power

Structure

Open Frame

Certification

ISO9001:2000

Form

Partly-welded Type

Operation Voltage

High Voltage

Size

3 Uint

Application Range

Power Plants

Shell Material

Stainless Steel

Shell Protection Grade

IP56

Brand

Bwitt

Input Voltage Range

AC380V or AC220V±20%

Efficiency

≥96%

Weight (Excluding Battery

53kg

Input Voltage

85VAC~300VAC

Rated Input Voltage

175VAC ~ 290VAC

Frequency

45Hz~ 66Hz, Rated at 50Hz/60Hz

Factor

≥ 0.99

Output Voltage Range

42V DC-58V DC

Default Output Voltage

53.5V DC

Maximum Output Power

300A

Transport Package

Plywooden

Specification

1600 height *600 width *600 depth

Trademark

Bwitt

Origin

China

Production Capacity

5000piece/Year

Key features

Modular Plug-and-Play Design: Rectifier modules and monitoring units feature plug-and-play design for easy installation and maintenance.

Comprehensive Communication Support: Built-in RS485 standard with optional SNMP, supporting RTU, CDT, and MODBUS protocols.

Robust Protection Functions: Features input under-voltage, over-voltage, overload, short-circuit, and over-temperature protection.

Advanced Battery Management: Automated battery management with self-test, temperature compensation, and historical alarm records.

Flexible Input Voltage Adaptation: Supports AC380V or AC220V input with a wide range of 85VAC to 300VAC.

OEM and ODM Services: Full customization, minor customization, and flexible customization options available for clients.

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: ≤1.40h

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.