Mean Well 12V 55W DC UPS Switching Power Supply

Manufacturer:	Mean Well
Code:	ZAS-BUF-12V-55W
Stock:	out of stock

Quantity or Order Total	1+	10+	20+	50+	100+
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Price	22.40 EUR	21.97 EUR	21.54 EUR	21.10 EUR	20.67 EUR

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Mean Well Switching Power Supply - 12V, 55W#

Mean Well Switching power supply 12V 55W ensures uninterrupted powering of MikroTik RouterBoards or other devices demanding the voltage of 12V. 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
Output number	CH1	CH2
DC voltage	13.8V	13.4V
Rated Current	3.5A	0.23A
Current Range	0~4A	--------
Rated Power	51.38W
Ripple & Noise	100mVp-p	--------
Voltage Adj. Range	CH1:12~14.5V	CH1:24~29V
Voltage Tolerance	±1.0%	--------
Line Regulation	±0.5%	--------
Load Regulation	±0.5%	--------
Setup, Rise Time	800ms,50ms/230VAC
Hold Up Time	80ms/230VAC
INPUT
Voltage Range	88~264VAC 47~63Hz; 124~370VDC
AC Current	1.6A/115VAC 1A/230VAC
Efficiency	71%
Inrush Current	Cold start 20A/115VAC
Leakage Current	<1mA /240VAC
Over Load	105~150% rated output power Protection type: AC Charging Mode: Hiccup mode, recovers automatically after fault condition is removed UPS Mode: Protected by internal fuse
Over Voltage	CH1:15.87~18.63V Protection type: Hiccup mode,recovers automatically after fault condition is removed
ENVIRONMENT
Working Temp.	-10°C~+60°C (Refer to "Derating Curve")
Working Humidity	20~90%RH non-condensing
Storage Temp., Humidity	-20°C~+85°C,10~95%RH
Temp. Coefficient	±0.03%/ °C(0°C~50°C )on CH1 output
Vibration	10~500Hz,2G10min./1cycle,60min.each along X, Y,Z axes
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
Isolation Resistance	I/P-O/P,I/P-FG,O/P-FG:100M Ohms/500VDC /25°C /70%RH
EMC Emission	Compliance to EN55022(CISPR22) Class B, EN61000-3-2,-3
EMC Immunity	Compliance to EN61000-4-2,3,4,5,6,8,11,EN55024,light industry level, criteria A
Dimension	1599738mm(LWH)
Weight	0.5Kg