AD-55B 24V 55W DC UPS Switching Power Supply

Code:	ZAS-BUF-AD-55-24
Stock:	out of stock
Packaging:	24 pcs/carton

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Switching power supply 24V 55W ensures uninterrupted powering of MikroTik RouterBoards or other devices demanding the voltage of 24V. The power supply works with two accumulator batteries 12V/7Ah or 12V/5Ah. In case of power loss the power supply delivers the power from the batteries. When the power comes back the power supply returns to it normal operations and the batteries are recharged automatically.

Features : #

Universal AC input / Fullrange
Protections: Short circuit / Overload / Overvoltage
Battery low protections
Cooling by free air convection
100% full load burn-in test
Fixed switching frequency at 45KHz
With UPS function (need external batteries)
Suitable for security industry or battery backup systems

Technical Specification#
Output
DC Voltage	27.6
Rated current	1.8A
Current range	0~2A
Rated power	53.92W
Ripple & Noise	100mVp-p
Voltage adj. range	24-29V
Voltage tolerance	1.0%
Line regulation	0.5%
Load regulation	0.5%
Setup, Rise time	800ms, 50ms/230VAC 1600ms 50ms/115VAC at full load
Hold up time	80ms/230VAC 6ms/115VAC at full load
Input
Voltage range	88~64VAC 24~70VDC
Frequency range	47-63Hz
Efficiency	74%
AC current	1.6A/115VAC 1A/230VAC
Inrush current	Cold start 20A/115VAC 40A/230VAC
Leakage current
Protection
Overload	105~50% rated output power, Hiccup mode, recovers automatically after fault condition is removed
Over voltage	28.98~37.26V, Hiccup mode, recovers automatically after fault condition is removed
Environment
Working temp.	-10~+60C
Working humidity	20-90% RH non-condensing
Temp. coefficient	0.03%/C (0-50C) on output
Vibration	10-500Hz, 2G 10min./1cycle, 60min.
Safety & EMC
Safety standards	UL60950-1, TUV EN60950-1 approved
Withstand voltage	I/P-O/P:3KVAC I/P-FG:1.5KVAC O/P-FG:0.5KVAC
Emi conduction & radiation	Compilance to EN55022 (CISPR22) class B
Harmonic current	Compilance to EN61000-3-2,3
EMS Immunity	Compliance o EN61000-4-2,3,4,5,6,8,11; ENV50204, EN55024, light industry level , criteria A
Others
MTBF	304.3K hrs min. MIL-HDBK-217F(25C)
Dimension(LxWxH)	159x97x38mm