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New product and hot sale 2000w 3000w 4000w 48v 50a AC to DC rectifier module for telecom power supply

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Quick Details

Port: Shenzhen Yantian port
Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Ability: 100000 Piece/Pieces per Month
Description: 3000W 48V rectifier module
Warranty: 2 Years
Output power: 3000w
Configuration: CAN BUS
Keyword: 48v 50a rectifier module for telecom
Size: 1U*2U*288mm
Voltage - Isolation: N/A
Product Name: 2000w 3000w 4000w 48v 50a AC to DC rectifier module
Model Number: BST-4850H-G2
Feature: 48v 50a rectifier module,rectifier module 48v 50a
Cross Reference: Eltek,Emerson,Delta
AC input voltage: 80-300Vac
Type: Single Phase
Package / Case: N/A
Voltage: 48V
Typical output: 53.5Vdc
Manufacturer: China
Current: 50A
Application: Telecommunication
Certificate: CE ROHS ISO9001
Packaging Detail: 1) Carton packing 2) Packing according to the customer's request
Package Preview: https://sc02.alicdn.com/kf/Hb19341df33a54f5c9e2f27fe66bf3de62.jpg_640x640.jpg,https://sc01.alicdn.com/kf/H4fb40ced13c147f480972e166c4aafaco.jpg_640x640.jpg
Huizhou City Kechuangli Electronics Co., Ltd.
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Product introduction

New product and hot sale 2000w 3000w 4000w 48v 50a AC to DC  rectifier module for telecom power supply

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


Important characteristics

Rated input voltage 230Vac
AC input voltage range 80-300Vac
Operating frequency 47-63Hz
DC input voltage range 120-425Vdc
Output voltage range 42-58Vdc
Typical output voltage 53.5Vdc
Output power 3000W (220Vac)
Efficiency ≥96% (half load)
  ≥95 (full load)
Cooling Forced fair
Operating temperature -40-75℃
Model can operate at -40℃. Output power derating from 45℃ to 75℃


Under voltage protection 80±5V  Vac
Under voltage recover voltage 100±5V Vac
Over voltage protection 305±5V Vac
Over voltage recover voltage 290±5V Vac
Output over voltage ≥58.5 Vdc
Shortage protect Available
Over temperature protect Available 
CAN communication  Available
Indicator light Available 
Parallel operation Available ( Maximum 48pcs operate in parallel)
Remote control Available (CAN control)
Over current protect 62.5±1 A

Outline drawing








Our customers


Our Advantages

Our core team has more than 15 years of working experience in the electronics industry. The key engineers are from the world's top electronics companies, specializing in researching & developing of telecom power supply, high efficiency rectifier, EV chargers and other products..
Our factory has been recognized as a national Hi-tech enterprise and has our own independent intellectual property rights. Passed ISO 9001 & IATF16949 certification…


Company profile


BST(HONGKONG) INDUSTRIAL CO., LTD specialize in R&D, producing and selling Switching Power Supply, Adapter, Converter, LED driver, PCB and PCBA, 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.

We have high quality products, competitive price and fast delivery services. OEM and ODM services are also available. You are very welcomed to contact us, become business partners with BST, and enjoy our good services. Lets join our hands and make the future brighter!




Packing & Delivery





Q1:Can I have a sample order firstly ? 

A: Yes, sample order is acceptable for testing quality. 


Q2: what's your sample qty limit?    

A:  Sample qty is 1 piece.  


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: Could I visit your factory? 

A: Yes, we warmly welcome you visit our factory here!