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Input
Input range: 90 - 264 Vac (wide range) 127 - 300 Vdc
Frequency: 47 - 440 Hz
Inrush current: < 50 A peak @ 230 Vac, cold start @ 25°C
Input power: < 49 Watts
Efficiency: 87% average (as per Energy Star 2.0 standard) (NPS22-M, 80%)
EMI/RFI: FCC Class B conducted; CISPR 22 Class B conducted; EN55022 Class B conducted, VDE0878PT3 Class B conducted
Safety ground leakage current: 275 µA @ 50/60 Hz; 264 Vac input
Output
Maximum power: 25 W for convection. 40 W with 200LFM forced air
Adjustment range: ± 20% minimum (-10%, +20% for NPS22-M)
Hold-up time: 10/20 ms 115/230 Vac input line
Overload protection: Short circuit protection on all outputs. Case overload protected @ 110 - 160% of normal rating, (110% - 190% for NPS28-M)
Overvoltage protection: 30 - 50% above nominal output
Remote sense: Compensated for 0.5 V lead drop max. Will operate without remote sense connected. Reverse connection protected.
Environmental
Operating temperature: 0° to 50 °C ambient derate each output at 2.5% per degree from 50° to 80 °C. -20 °C start up
Storage temperature: -45 °C to +85 °C
Electromagnetic susceptibility: Designed to meet EN61000-4; -2, -3, -4, -5, -6, -8, -11 Level 3
Humidity: Operating; non-condensing 10% to 90% RH
Vibration: IEC68-2-6 to the levels of IEC721-3-2
MTBF demonstrated: > 550,000 hours at full load and 25°C ambient conditions
Ordering Information
Output Voltage: 12V
Minimum Load: 0 A
Maximum Load with Convection Cooling: 2.1A
Maximum Load with 200LFM Forced Air: 3.3A
Peak Load: 4A
Regulation: ±2%
Ripple P/P (PARD): 120 mV
