1.Wide range of input voltage 2.Strong protection function 3.High reliability, safety and credibility

24V20A Switching Mode Power Supply for communication use 

Model: AD2420

Introduction:

The 24V series high frequency switching power supply / telecom switching power supply, which is a high efficient, high performance and high reliable communication power supply. switching power supply specially designed for all kinds of communication and electronic equipments such as electronic program-controlled exchanger, microwave equipment, optical fiber communication equipment, etc. switching power supply adopts the most advanced international PWM technique and stable & reliable circuit topological structure. The switching power supply has many good points, including small volume, light weight, high efficiency, wide working temperature range, strong capacity of resisting disturbance, strong electric fence adaptive faculty, fast dynamic response, high stability, low noise and ripple, strong protection function, etc.

The 24V series high frequency switching power supply / telecom switching power supply still should be applied to NC machine tool, data processing and other equipments; they also can be used as the charge/discharge equipment of storage battery and automatically implement the protection to the storage battery.

Features:

Wide range of input voltageContinuously adjustable DC output voltageHigh precision of voltage stabilizing  Low output noise rippleWith Intelligent fanStrong protection (Limiting protection of output power; Overcurrent and shortcircuit protection; Input overvoltage and low-voltage protection; Input overvoltage and low-voltage protection; Overtemperature protection)High efficient, small volume and light weight

Technical Parameter:

Technical Index	Performance Parameter
Input Voltage Range	160V~280V   45Hz~63Hz
Input Rated Current	1.8 Aac
Output Voltage Range	18~30 Vdc
Output Rated Value	24Vdc
Output Current	20 Adc
Load Regulation	≤0.5%
Power Grid Regulation	≤0.2%
Phone Scale Noise Voltage	300~3400Hz    ≤2 mV
Peak - Peak Noise Voltage	≤100 mV
Wide Frequency Noise Voltage	3.4 ~ 150KHz   ≤100 mV 0.15 ~ 30MHz   ≤30 mV
Discrete Noise Voltage	3.4 ~ 150KHz   ≤5 mV 150 ~ 200KHz   ≤3 mV 250 ~ 500MHz  ≤2 mV 0.5 ~ 30MHz    ≤1 mV
Insulating Strength	Input-Shell (ground)   1500 Vac Input-Output          1500 Vac Output- Shell (ground)  500 Vac
Efficiency	≥82%
Dynamic Response	20% ~ 100% Step Load  ≤ 200us 170V ~ 265Vac Step to power grid ≤ 200us
Output Overvoltage Protection	25±1 Vdc
Output Current-limiting Protection	22 Adc
Input Low-voltage Current-limiting Protection	≤160±10 Vac
Input High-voltage Current-limiting Protection	≤280±10 Vac
Overtemperature Protection	85±5°C
Working Temperature	-10~50°C
MTBF	100000 Hrs.
Weight	4Kg
Dimention  (D×W×H)	Rack-mounted (19''1U ): 235mm×485mm×45mm

24V20A Switching Mode Power Supply for communication use