Mean Well 24V 55W DC UPS Switching Power Supply

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