Technical data

Dual 9-, 12-, and 20-Slot Power Supply
7-5
7
All specifications are applicable under any specified combination of
input, output, and environmental conditions. All measurements
are with respect to terminals on the power supply.
The following tables, Table 7-3 and Table 7-4, provide more
detailed information about the power supplies.
Table 7-3. 700 Watt AC Power Supply Specifications
AC Voltage: 90 Vac to 132 Vac and 180 Vac to 264 Vac
Power supply accepts all input voltages without mechanical
changes
Surge Withstand Capability
Test
The following power line transient pulse parameters, per
ANSI/IEEE C37.90.1-1974 shall not adversely affect the power
supply’s operation.
Width: less than 200 microseconds
Risetime: 20 nanoseconds maximum
Rate: 120 transients per second
Phasing: any phase with respect to AC power
Amplitude: up to 2.5Kv with no component damage or system
interruption
AC Frequency: 47 Hz to 63 Hz
Turn-on Surge Current: 75 Amps at 110 Vac maximum
Isolation Voltage: 1500 Vac or DC equivalent minimum input to frame or as required
by IEC specification
Leakage Current: Not to exceed 3.0 mA @ 250 Vac 60 Hz
Power Factor: Minimum 0.98 with full load and nominal line.
Surges: Withstands surges of 20% for 1/2 cycle at nominal line.
Surge Voltages in Low-
Voltage AC Power Circuits
Test
The power supply is able to withstand a Category A “ringwave”
with the following parameters, per ANSI/IEEE C62.41-1980 with
no effect on the power supply’s operation.
Waveform: 0.5 microseconds at 100 KHz
Current: 200 amps
Phasing: any phase with respect to AC power
Amplitude: up to 6Kv with no component damage or system
interruption.