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.

220VDC to 24VDC 30A DC-DC Step Down Power Converter

Name: 220VDC to 24VDC 30A DC-DC Step Down Power Converter
Brand: Shenzhen Bwitt Co., Limited
SKU: 2291140475

Guangdong, ChinaShenzhen Bwitt Co., Limited

US$235.00

1-9 Pieces

US$230.00

10-49 Pieces

US$225.00

50+ Pieces

Product profile

Customization

Available

Cooling Method

Fan Cooling

Input Voltage

220VDC

Model NO.

BWT220/24-30DW

Output Voltage

24VDC

After-sales Service

1year

Product Name

Rack Mount DC Converter

Protections

Short Circuit Overtemp Overload Overvolt

Application

Telecom Station /Data Center

Efficiency

83%

Network

RS485

Capacity

720W

Transport Package

55X51X22.5 Cm

Specification

482*240*88mm

Trademark

BWitt

Origin

China

HS Code

8504401990

Production Capacity

5000piece/Year

Key features

N+1 Redundant Backup: Modules support automatic current sharing; failure of one or several modules does not affect parallel operation.

Wide Input Voltage Range: Accepts DC input from 20V to 270V, compatible with 220VDC systems and various battery configurations.

Comprehensive Protection: Features overvoltage, undervoltage, overcurrent, short circuit, and over-temperature protection with temperature-controlled fan.

High Efficiency: Efficiency exceeds 83% to 88%, ensuring energy savings and reduced heat generation during operation.

Flexible Communication: Built-in RS485 standard communication with optional SNMP support for real-time monitoring and control.

Parallel Capability: Supports parallel connection of up to 8 units to extend capacity without master-slave dependency.

Global Export Experience: Products exported to over 300 countries with long-term cooperation with major telecom and energy companies.

Certified Quality: Meets international standards with CE, ISO9001, and National High-Tech Enterprise certifications.

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: ≤1.52h

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.