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48v 3000w rectifier module dc for ups

100-999 Pieces
>=1000 Pieces
Min. Order
100 Pieces
Note: Please be cautious and check with your supplier if this product is for virus protection purposes and if the coronavirus (COVID-19) will affect your order.
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Company Information

Huizhou City Kechuangli Electronics Co., Ltd.

CN Trading Company
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US$ 500+
3 Years Paid Supplier Gold Supplier Onsite Check Trade Assurance
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Quick Details

Warranty: 2 Years
Place of Origin: Guangdong China
Size: 1U*2U*288MM
Output Type: Single
Color: Silver
Power Supply System: 48VDC
Output Current: 50A
Dimension: 1u*2u*244mm
Model Number: BST-R4850H-G2
Feature: CAN protocol
Certification: CE ROHS
Weight: 3KGS
Brand Name: BST
Function: for UPS
Type: DC/AC Inverters
Efficiency: ≥96%
Product name: module dc for ups
Application: Telecom Cable Installation
Output Frequency: 45`65HZ
Certificate: CE,RoSH
Packaging Detail: High Efficiency Telecom 48VDC/6KW Rectifier Packing details 1) Vacuum packing 2) Selling Units: Single item 3)Single package size: 390X150X90 mm 4)Packing as customer requirement 5)Special Protect carton for exporting product
Selling Units: Single item
Single package size: 29X15X5 cm
Single gross weight: 3.0 KG
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Product Description

professional factory rectifier and dc power system






Rated input voltage



Output power derating when input voltage is lower than 100Vac

AC input voltage range


Operating frequency




DC input voltage range






BST-4850H-G2 is a high efficiency power supply, which input voltage range is 80~300Vac or 85~425Vdc. This power supply has the functions of output over current protection, output overvoltage protection, output short circuit protection and over temperature protection.


High efficiency, the peak efficiency is over 96%.

With indicators of operation status 

High PF and low THD

Support parallel operation through CAN protocol 

low Vp-p ripple

Support parallel operation through CAN protocol

Over voltage protection

High temperature protection

Over load protection

Short circuit protection

Halogen free,

RoHS compliant



Product image

 3KW .pngwiring scheme.png1_2_5 -

Applications show


Company Information

BST(HONGKONG) INDUSTRIAL CO., LTD specialize in R&D, producing and selling Switching Power Supply, Rectifier, Converter, LED driver and create our own brand BST. Our factory was founded in 2007 located in Shenzhen China and the workshop covers an area of 8,000 square meters. We share big domestic and international markets with an annual production capacity of more than 5 million units. 

Providing customer with perfect solutions on power supply is our goal. All of our products have passed 100% loading aging test. Adopt advanced and stable circuit design and select high-quality electronic components to ensure product stability. Our products are widely used in communications, LED displays, monitoring equipment, electronic circuits, railway signal equipment, medical equipment, instrumentation, automatic and control equipment, etc.




Our certifications



Key customers



Q1:Can I have a sample order firstly ? what's your MOQ limit?   

A: Yes, sample order is acceptable for testing our product quality. And our MOQ is 1 piece.  


Q2:What's about the lead time and shippment? 

A: Sample Order can be delivered within 3 days, Bulk Order can be delivered within 10 days for regular type after payment. For detail lead time, please contact our sales.  


Q3: Are you a manufacturer?   

A: Yes, we are OEM & ODM manufacturer with two factories in Anhui and Shenzhen.


Q4: What is the warranty? 

A: Usually 2~5 years. 


Q5: How do I know the production status?   

A: Our sales person will follow your order to ensure the delivery time, also you could reach us by Wechat or Skype/WhatsApp to get Live picture and video.


Q6: How about the shipping method?

A: For shipping, we often use DHL, FedEx, UPS, and TNT. And they take 3-5 days to arrive. For bulk order, we recommend to send goods by Sea to save your transportation cost. 


Q7:Is your power with copper transform or something?  

A:We can do with complete copper transform and copper cladding aluminum.


Q8: Could I visit your factory? 

A: We warmly welcome you doing that!