Powered by Made-in-China.com
Reliable 48V Power Supply for Railway Signaling with RS485
US$219.00
1 Piece
Product specifications
50A
20A
10A
Product profile
Customization
AvailableUsage
Telephone, TelecommunicationType
DC Power SupplyModel NO.
4820sSupport Network
Telecom NetworkInformation content
DataCertification
CE, ISOCondition
NewTechnology
IGBT High Frequency SwitchingEnergy Efficiency
95%System Redundancy
N+1 Modular RedundancyModule Interface
Hot-Swappable Gold-PlatedControl System
DSP Digital PWM ControlCommunication Interface
Can Bus / RS485Reliability (Mtbf)
300,000 HoursCooling Method
Intelligent Stepless FanOperating Temp.
-10 to 50 CelsiusTransport Package
Individual Export CartonSpecification
315x88x178mm; 48V/20A; 4kgTrademark
RHTOrigin
Shenzhen, ChinaKey features
High Conversion Efficiency: >95% efficiency with IGBT technology significantly reduces energy dissipation and thermal loss.
Modular N+1 Redundancy: Supports hot-swap and expansion for zero-downtime operation in critical substation environments.
Intelligent CAN Bus Communication: Real-time monitoring and digital control enable seamless integration with smart grid systems.
Wide Input Voltage Range: Supports AC 85-265V and DC 160-285V inputs, ensuring stability in diverse grid conditions.
Compact & Lightweight Design: Weighing under 4kg, it is ideal for space-constrained integrated power cabinets and racks.
Comprehensive Protection System: Built-in safeguards against overvoltage, short circuits, and over-temperature for maximum safety.
Precision Digital Control: DSP-controlled PWM technology ensures stable, high-precision DC output for sensitive equipment.
Advanced Soft Start Technology: 3-8 seconds soft start prevents current surges, protecting both the module and the load.
Intelligent Stepless Fan Cooling: Variable speed control based on temperature and load ensures quiet and efficient cooling.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 17 Years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤15h
About Our Factory & Business Background
Address6th Floor, Building A, Yuxing Technology Industrial Park, Third Industrial Zone, Gushu Second Road, Nanchang Community, Xixia, Shenzhen, Guangdong, China
Plant Area2100 square meters
Number of Employees40
Registered Capital20,500,000 RMB
Terms of PaymentLC, T/T, D/P, PayPal, Western Union, Small-amount payment
International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW
Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: one month
Minimum Order Quantity1 Pcs
Supply Chain Partners26
Our Production Capability & Technical Expertise
Main ProductsDC Power Cabinet
Production Lines3
Production MachinesAssembly line
QA/QC inspectors3 people
Inspection Type for Finished Products100% inspection(Visual inspection & Function inspection)
Inspection Method for Finished ProductsHave instructions and uniformly followed
R&D Engineers6 people
Traceability of Raw MaterialsYes
Test Reports for Raw MaterialsOthers
Own BrandYes
Our Industry Experience & Global Business Record
Year of Establishment2009-07-14
Main MarketsDomestic
Repeat Buyers Choice50%~80%
Number of Foreign Trading Staff6
Overseas Agent/BranchNo
New Products Launched in Last yearNo
Our Certifications, Standards & Industry Recognition
Management System CertificationISO45001:2018, ISO9001:2015, ISO14001, Others
Cooperated with Fortune 500No
Product Q&A
Q:What is the rated output of the RT4820S?
A:
The RT4820S provides a rated output of DC 48V with a maximum current of 20A.
Q:Does this module support hot-swapping?
A:
Yes, the gold-plated connector design allows for easy hot-swapping during system maintenance.
Q:What communication protocol does it use?
A:
It uses the standard CAN bus protocol for data logging and remote monitoring.
Q:Can I use multiple modules in parallel?
A:
Absolutely, it supports parallel connection with N+1 redundancy for increased capacity and reliability.
Q:What is the efficiency rating?
A:
The system achieves an energy conversion efficiency of 95% or higher.
Send Inquiry
*To:
Shenzhen Runhaitong Technology Co., Ltd.
Shenzhen Runhaitong Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Rectifier Module Series R4850g5 R4815g1 48V Power Supply for Electrified Railways Postal
US$113.00-115.00
10 pieces(MOQ)
Modular 48V DC Power Supply for Smart Grids with Can Bus
US$219.00
1 Piece(MOQ)
Vertiv S48-2000e3 Solar Inverter Module High Efficiency 48V 50A 3000W Rectifier Power Supply for Telecom Power
US$147.00-209.00
1 Piece(MOQ)
Reliable 9sx Series Industrial UPS Power Supply with LCD Display for E-Aton
US$50.00-200.00
1 Piece(MOQ)
Reliable 28V-32V Power Supply Module for Telecom Equipment
US$1.00
1 Piece(MOQ)
High Frequency Power Supply for Telecom Infrastructure with 95% Efficiency
US$219.00
1 Piece(MOQ)
High-Efficiency 210W M4 Linear Power Supply for Reliable Communication
US$100.00-200.00
1 Piece(MOQ)
High Frequency Switching Power Supply for Industrial Use with IGBT
US$219.00
1 Piece(MOQ)
Vertiv Emerson R48-1000 48V 1000W R48-1000A Rectifier Module DC Telecom Power Supply for 212c23
US$105.00-108.00
1 pieces(MOQ)
High-Capacity E-Aton UPS Power Supply with Extended Runtime for Servers for E-Aton
US$50.00-200.00
1 Piece(MOQ)
Ultra-Reliable M2 Linear Power Supply for High Efficiency
US$100.00-2,000.00
1 Piece(MOQ)
240W 48V 5A Single Phase Industrial DIN Rail Power Supply for Phoenix Contact Quint 2866679 1AC/48DC/5
US$50.00-200.00
1 Piece(MOQ)
Reliable AC342V-456V Power Supply for All Electronic Devices
US$50.00
1 Piece(MOQ)
Emerson 48V 1800W Rectifier Module Power Supply for Netsure 211 C46 System R48-1800
US$100.00-250.00
1 Piece(MOQ)
960W 48V 20A Three Phase Telecom DIN Rail Power Supply for Phoenix Contact Quint 2320827 3AC/48DC/20
US$50.00-200.00
1 Piece(MOQ)
Huawei R4850n2 3000W 48V Rectifier Module 50A 1u Telecom Power Supply for Telecommunication Systems
US$89.00-95.00
1 Piece(MOQ)
in Stock 01lj122 01lj123 2400W Power Supply for IBM V7000 2076-92f
US$167.15
2 sets(MOQ)
Emerson R48-500A -48V 500W Rectifier DC Power Supply for Netsure 212 C23 R48-500
US$150.00-500.00
1 Piece(MOQ)
Outdoor Distributed Power Supply Zxdd01 P3000A for Switches.
US$1.00-199.00
1 Piece(MOQ)
Huawei AC DC-Output Switching Power Supply for Me60 Ne40 EPS200-4850A
US$1,200.00-1,500.00
1 Piece(MOQ)



















