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Home > Telecommunication Backup Power Systems > RHT Intelligent Li-ion Backup -48V Telecom Power System for Data Center Critical Network Load, Seamless Transition
RHT Intelligent Li-ion Backup -48V Telecom Power System for Data Center Critical Network Load, Seamless Transition
RHT Intelligent Li-ion Backup -48V Telecom Power System for Data Center Critical Network Load, Seamless Transition
RHT Intelligent Li-ion Backup -48V Telecom Power System for Data Center Critical Network Load, Seamless Transition
RHT Intelligent Li-ion Backup -48V Telecom Power System for Data Center Critical Network Load, Seamless Transition
RHT Intelligent Li-ion Backup -48V Telecom Power System for Data Center Critical Network Load, Seamless Transition
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RHT Intelligent Li-ion Backup -48V Telecom Power System for Data Center Critical Network Load, Seamless Transition
RHT Intelligent Li-ion Backup -48V Telecom Power System for Data Center Critical Network Load, Seamless Transition
RHT Intelligent Li-ion Backup -48V Telecom Power System for Data Center Critical Network Load, Seamless Transition
RHT Intelligent Li-ion Backup -48V Telecom Power System for Data Center Critical Network Load, Seamless Transition
RHT Intelligent Li-ion Backup -48V Telecom Power System for Data Center Critical Network Load, Seamless Transition

RHT Intelligent Li-ion Backup -48V Telecom Power System for Data Center Critical Network Load, Seamless Transition

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Product Description

DC power supply cabinet
GZDW Series Intelligent High Frequency Switchgear DC Power Supply Cabinet
Suitable for power systems of power plants, substations, and other electrical equipment, relay protection devices for DC power systems, power equipment control, signaling, communications, protection, and DC emergency lighting power devices.
1
Modular design characteristic of switching power supply.
2
Redundancy hot standby configuration.
3
Adjustable to various power networks with a super-wide voltage input range.
4
Rectifiers are hot-pluggable, convenient for online maintenance.
5
Patent switching technology ensures rectifiers feature high efficiency with low EMI.
6
Low difference active load sharing of rectifiers ensures inter-rectifier imbalance rate of only 3%.
7
CE safety and EMC certified rectifiers, ensuring reliability and safety.
8
Open interface design with strong communication functions: RS485 or RS232.
9
Automatic battery management and protection, featuring real-time monitor function over battery operation state and parameters.
DC Power Supply Cabinet details 1
DC Power Supply Cabinet details 2
DC Power Supply Cabinet details 3
48V Communication Power System Specification
(1) AC Input Characteristics Input Voltage Range - Single-phase 220VAC: 85VAC - 265VAC
- Three-phase 380VAC: 323VAC - 475VAC
Input Frequency Range 45Hz - 65Hz
Maximum Input Current (system-dependent) <60A (single-phase module total output: 48*30A*4 = 5760W)
Surge Protection Level IEC 61643-11: Class I (10/350µs waveform, In=40kA)
(2) Rectifier Module Output DC Voltage Standard: -48VDC (customizable)
Output Voltage Accuracy ±0.5%
Rated Output Current (per module) 20A, 30A, 50A, 100A
Conversion Efficiency ≥95%
Current Sharing Imbalance (parallel modules) ≤±3%
(3) DC Distribution Output Circuits (example) - 10 × 32A fuse/circuit breaker (general loads)
- 5 × 63A circuit breaker (high-power core loads)
Configurable
Battery Charging Current (500Ah system example) - Lead-acid: 0-50A
- LiFePO4: 0-120A (lower charging voltage required)
(4) Battery Bank Battery Type Options VRLA, Gel Lead-Acid, LiFePO4
Battery Capacity 200Ah, 300Ah, 400Ah, 500Ah
Nominal Voltage 48V, 24V
(5) Environmental Operating Temperature -10℃ to 50℃ (extended range available for custom models)
Relative Humidity 10% - 95% (non-condensing)
Alarm Methods Audible + visual alarms (variable frequency/brightness for severity levels)
48V System Diagram
Intelligent Control
✦ Intelligent Control:
The cabinet is integrated with an advanced control system that dynamically adjusts to grid load variations, ensuring optimal reactive power compensation in real time.
Detecting instrument
✦ Detecting instrument:
Easy to observe at any time, monitoring the value of current and voltage. High-tech products microcomputer protection, more intelligent.
Protection Mechanisms
✦ Protection Mechanisms:
Equipped with overvoltage and overcurrent protection to safeguard both the equipment and the power grid.
Optimized Heat Dissipation
✦ Optimized Heat Dissipation:
Special attention has been paid to heat dissipation to guarantee the equipment's longevity.
System Component Details 1
System Component Details 2
System Component Details 3
Internal Layout
Assembly Process
Circuit Boards Layout
Cabinet Testing
Frequently Asked Questions
Q: What applications is the GZDW series intelligent DC power supply cabinet suitable for?
It is designed for use in power systems of power plants, substations, control units, signaling setups, communication devices, relay protection systems, and DC emergency lighting equipment.
Q: What safety and environmental certifications do the rectifiers hold?
The rectifier modules are certified for CE safety standards and EMC (Electromagnetic Compatibility), guaranteeing high reliability and safe operation.
Q: What interfaces are available for system communication?
The system features an open interface design equipped with RS485 and RS232 options to support strong system communication and data logging functions.
Q: How does the power system protect battery lifespan and performance?
It features automatic battery management and protection functions with real-time monitoring of operation states and parameters to prevent damage and optimize lifespan.
Q: What battery types can be configured with the system?
The DC distribution and battery bank support multiple options including VRLA, Gel Lead-Acid, and LiFePO4 batteries in voltages of 24V or 48V, and capacities up to 500Ah.
Q: What is the output efficiency and current sharing imbalance of the rectifier?
The conversion efficiency is at least 95% or higher, and the low difference active load sharing among parallel modules maintains an imbalance rate of 3% or less.

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