Outdoor Power Supply Converter 220V to 24V DC 24V Output Voltage for Industrial LED 50Hz Frequency 100W-24W Power Range
- Input Voltage:80-300Vac / 100-400Vdc
- Output Current:0-50A
- Output Voltage:24 V
- Model Number:EVS-2450P
- Brand Name:OEM ODM
- Place of Origin:Guangdong, China
- Application:Industry, Laboratory, CCTV, Led Lighting, Industrial Equipment, Machines, Battery Charging
- Efficiency:92%
- Output Frequency:50/60Hz
- Output Type:Single
- Protection:Overloading Protection, Over Temperature Protection, Overvoltage Protection, Overcurrent Protection
- Type:AC-DC, DC-DC, Outdoor Cabinet Communication Power Supply Design
- Function:Telecom Outdoor Power Supply
- Logo:Can be design according to customer
- Condutor:Rectifier Module
- Installation method:Wall-mounted
EVS power model of power supply is for commucication,
Output voltage 54V,Output current 0-50A;Its features include input over/under-voltage protection, output over-current protection, output over-voltage protection.
Basic Components of a Wall-Mounted DC Power Supply Panel
1. Rectifier Module
The rectifier module is one of the core components of a wall-mounted DC power supply panel. Its primary function is to convert AC power into DC power, typically utilizing advanced high-frequency switching power supply technology. This technology enables the rectifier module to achieve high conversion efficiency, effectively converting input AC power into stable DC power, providing reliable DC power for subsequent equipment. For example, in some communication base stations, the rectifier module converts AC mains power into a DC voltage suitable for communication equipment, ensuring its normal operation.
2. Monitoring Unit
The monitoring unit acts as the"brain"of the wall-mounted DC power supply panel, monitoring the operating status of each component in real time. This includes monitoring the output voltage and current of the rectifier module, as well as the voltage, charge and discharge current, and remaining capacity of the battery pack. Using this data, the monitoring unit can promptly detect potential faults and issue alarm signals. Furthermore, it can control the rectifier module according to preset parameters, enabling intelligent management of the power supply panel. For example, when the battery pack's charge level is low, the monitoring unit can automatically adjust the rectifier module's output, increasing the charging current to the battery pack to ensure it remains in optimal working condition.
3. Battery Pack
The battery pack serves as a backup power source for wall-mounted DC power panels during utility power outages. It typically utilizes lead-acid batteries or lithium-ion batteries. The battery pack's capacity varies depending on the application scenario and load requirements. Under normal circumstances, the rectifier module simultaneously charges the battery pack while supplying power to the load, keeping it fully or nearly fully charged. In the event of a utility power failure, the battery pack quickly switches over and continues to provide stable DC power to the load, ensuring uninterrupted operation of critical equipment. For example, in some power automation systems, when the grid fails, the battery pack can provide power to relay protection devices, automated monitoring equipment, and other components for several hours or even longer, preventing system failures and data loss caused by power outages.
Application Scenarios of Wall-Mounted DC Power Panels
1. Communications Industry
Wall-mounted DC power panels are widely used in communications base stations. They provide stable DC power to communications equipment such as base station transceivers, transmission equipment, and monitoring equipment. Because communication base stations are widely distributed, many located in limited space such as rooftops and mountainous areas in cities, the space-saving and easy-to-install advantages of wall-mounted DC power panels are fully demonstrated. Furthermore, their high reliability ensures uninterrupted operation of the communication network, ensuring users enjoy stable communication services.
2. Power System Automation
In automated substations and switchgear, wall-mounted DC power panels provide DC power to relay protection devices, automated monitoring systems, and signaling equipment. These devices are crucial to the safe and stable operation of the power system. Power supply problems can cause malfunctioning relay protection or monitoring system failure, leading to power outages. The reliability and stability of wall-mounted DC power panels meet the stringent requirements of power system automation equipment, ensuring the safe operation of the power system.
3. Other Industrial Fields
Wall-mounted DC power panels are also widely used in industrial automation production lines, elevator machine rooms, smart buildings, and other fields. In industrial automation production lines, it provides DC power for various control devices, sensors, actuators, etc., ensuring efficient and stable operation of the production line; in elevator machine rooms, it provides backup power for the elevator control system, lighting system, etc., ensuring that the elevator can operate safely when the mains power is interrupted, protecting the lives of passengers; in smart buildings, it provides DC power for the access control system, security monitoring system, fire alarm system, etc. in the building automation system, improving the intelligent management level and safety of the building.
Environmental Conditions:
No. | Items | Technical Specifications | Unit | Remarks |
1 | Operation Temperature | -25—+50 | ℃ |
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2 | Storage Temperature | -40—+85 | ℃ |
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3 | Relative Humidity | 10—90 | % |
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4 | Cooling | Air cooling with self-fan |
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5 | Altitude | 70—106 | Kpa |
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6 | Storage Temperature | 3000 | M |
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Electrical Characteristics:
1 | Evspower Input Characteristics | ||||||||||
No. | Items | Technical Specifications | Unit | Remarks | |||||||
1.1 | Input rated voltage | 200—240 | Vac |
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1.2 | Input voltage range | 90—264 | Vac |
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1.3 | Input Current | ≤8 | A | Lowest input voltage, rated load | |||||||
1.4 | inputvoltage frequency | 50/60 | Hz |
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1.5 | Power factor | ≥0.99 |
| rated input voltage, rated load | |||||||
1.6 | Input Shock Current | ≤30 | A | 264Vac | |||||||
2 | Output Characteristics | ||||||||||
No. | Items | Technical Requirements | Unit | Remarks | |||||||
2.1 | Output Rated Voltage | 54 | Vdc |
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2.2 | Output current range | 0—50 | A | Inutpu voltage:176—264Vac. | |||||||
0—95 | A | Inutpu voltage:90—175Vac | |||||||||
2.3 | Output voltage range | 53.5—54.5 | Vdc |
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2.4 | Efficiency | ≥95% |
| 220Vac input,output 54Vdc/25A. | |||||||
≥85% |
| 110Vacinput ,output54Vdc/95A. | |||||||||
2.5 | Output ripple & noise | ≤200 | mVp-p | Rated load, frequency band is limited to 20MHz | |||||||
2.6 | Turn-on output delay | 3—8 | S | Vin=220Vac | |||||||
2.6 | Output rising time | ≤200 | mS | Output voltage rises from 10% to 90%, rated load. | |||||||
2.7 | Turn on/off overshoot | ≤±5 | %Vo |
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2.8 | Combined regulation | ≤±1% |
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2.10 | Transient Response | Overshoot | ≤ ±5 | %Vo | 5%—50%—25% or 50%—75%—50% load change. | ||||||
Recovery time | ≤ 200 | µS | |||||||||
2.11 | Phone weighed noise voltage | ≤2 | mV |
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2.12 | p-pk value noise | ≤400mV |
| 0—300KHz | |||||||
2.13 | Wide frequency noise voltage | ≤100 | mV | 3.4—150KHz | |||||||
≤30 | 0.15—30000KHz | ||||||||||
2.14 | Disperse noise | ≤5 | mV | 3.4—150KHz | |||||||
≤3 | 150—200KHz | ||||||||||
≤2 | 200—500KHz | ||||||||||
≤1 | 500—30000KHz | ||||||||||
3 | Protection characteristics | ||||||||||
No. | Items | No. | Items | No. | |||||||
3.1 | Output overvoltage protection | 58.5—62 | Vdc | Locked | |||||||
3.2 | Input overvoltage (0A output) | protection point | ≥295 | Vac | overvoltage,cut output | ||||||
protection tollerance | ≥5 | The power module must be restart when the input voltage recover to 264Vac. | |||||||||
3.3 | Input undervoltage protection point | protection point | ≤80 | Vac | Cut output | ||||||
protection tollerance | ≥5 | The power module must be restart when the input voltage recover to 90Vac. | |||||||||
3.4 | Overtemperature protection | yes |
| Auto-recoverat environmental temperature 50℃ | |||||||
3.5 | Output overcurrent protection | 0-50 | A | 220VAC Input,Auto-recoverat | |||||||
25 | 110VAC Input,Auto-recoverat | ||||||||||
3.6 | Output short-circuit protection | yes | No damage with short-circuit for long time; | ||||||||
3.7 | Fan failure protection | The evs outdoor power supply module operate with half-load when single fan failure(160w when 220Vac input,120w when 110Vac input),and alarm till the module turn off output because of overtemperature protection. When two fans failure, the module turn off output after alarm; | |||||||||








