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ELECTRICAL SPECIFICATIONS
Input
Input range: 85 to 264 VAC, 47 to 63 Hz, 1Ø
Input current: 2.6 A max at 115 VAC, 1.3 A max at 230 VAC
Inrush current: 75 A max., cold start @ 264 VAC input
Input fuses: 6.3 A, 250 VAC fuse provided in both line & neutral
Leakage current
+ Earth leakage current: <500 μA @ 264 VAC, 60 Hz, NC
+ Patient leakage current: <100/500 μA @ 264 VAC, 60 Hz, NC/SFC
Efficiency: >90% typical
No load input power :<0.5 W
Isolation voltage
+ Input/Ground: 2000 VAC (1 MOPP)
+ Input/Output: 4400 VAC (2 MOPP)
+ Output/Ground: 2000 VAC (1 MOPP)
Output
Output Voltage: 28 V
Output Current (fan)1: 8.9 A
Output Power (fan)1: 250 W
Output Current (convection /conduction): 6.2 A
Output Power (convection / conduction): 175 W
Terminations:
+ Input: 3 pin (pin 2 removed); 0.156 Ctr Connector (Class I)
+ Output: 6 pin Header 0.156 Ctr Connector
Ripple and noise: 1% of Vout on all models
Load regulation: 2%
Line regulation: 1%
Total regulation: 5%
Minimum load: Not required
Capacitive load: 1000 μF
Adjustment range: 5%
Initial set point tolerance: ±1 %
Overshoot: <3% overshoot at turn-on, <1% overshoot at turn-off, under all conditions
Monotonic waveform: PSU have monotonic wave forms on the main output at start up, shut down and fault (OVP, OCP, OTP, OPP, SCP) triggered shutdown.
Transient response: 500 μs response time for return to within 0.5% of final value for any 50% load step over the range of 25% to 100% of rated load, ∆i/∆t<0.2 A/μs. Max. voltage deviation is ±3.5% of final value.
Reliability
MTBF: >500K hrs per Telcordia 332, Issue 6, 25°C, full rated load at 110 VAC input.
Electrolytic capacitor lifetime: All specified electrolytic capacitors will exceed 10 year life based on operating at 25°C ambient temp., 24 hrs/day, 365 days/year.
Protection
Overvoltage protection: 115% to 155% of nominal output voltage. Requires AC recycle to reset.
Short circuit protection: Short across the output terminals will not cause damage to the unit. Hiccup mode.
Thermal protection: Will shutdown upon an over temperature condition. Auto-recovery mode.
Overload protection: 130% to 180% of rated output current value. Hiccup mode.
