Mean Well 24V 155W DC UPS Switching Power Supply

Manufacturer:	Mean Well
Code:	ZAS-BUF-24V-155W
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Switching power supply 24V 155W 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 : #

Protections:Short circuit/Over load/Over voltage
Cooling by free air convection
LED indicator for power on
100% full load burn-in test
All using 105
Withstand 300VAC surge input for 5 second
High operating temperature up to 70
Withstand 5G vibration test
High efficiency, long life and high reliability

Technical Specification#
Output
DC Voltage	27.6
Rated current	6,5A
Current range	0~6.5A
Rated power	156W
Ripple & Noise	120mVp-p
Voltage adj. range	22,8-26,4V
Voltage tolerance	1.0%
Line regulation	0.5%
Load regulation	0.5%
Setup, Rise time	800ms, 20ms/230VAC 2000ms 1200ms, 30ms/115VAC at full load
Hold up time	80ms/230VAC 6ms/115VAC at full load
Input
Voltage range	88~132VAC/176-264 VAC
Frequency range	47-63Hz
Efficiency	86%
AC current	3A/115VAC 2A/230VAC
Inrush current	Cold start 20A/115VAC 40A/230VAC
Leakage current
Protection
Overload	110~150% rated output power, Hiccup mode, recovers automatically after fault condition is removed
Over voltage	27,6~32,4V, Hiccup mode, recovers automatically after fault condition is removed
Environment
Working temp.	-25~+70C
Working humidity	20-90% RH non-condensing
Temp. coefficient	0.03%/C (0-50C) on output
Vibration	10-500Hz, 5G 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	183.3K hrs min. MIL-HDBK-217F(25C)
Dimension(LxWxH)	199x98x38mm
Weight	0.7kg