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Researching the requirements 19
Input power specifications
The following tables provide input system power specifications as required
for
AC
power:
Table 8
Input power specifications
Input Minimum Nominal Maximum
Voltage (VAC) at pedestal
180
2081240 250
Frequency
(Hz)
47
50160
63
Transient tolerance (See note)
Amplitude
Duration
. .
Surges
288
V ac
8.34
mS
to 50
mS
276
V ac
50
mS
to 500
mS
Sags
146Vac
8.34
mS
to 50
mS
166Vac
50
mS
to 500
mS
-.
Spikes
815 V pk
~4.17
mS
815Vpkto408Vpk
4.17 to 8.3
mS
Notches
to ov
<4.17
mS
OVto206V
4.17
mS
to 8.3
mS
Note: These values are taken from the National Electric Code and various
Telco specifications. All transients are applied at the peak of the AC
waveform.
Installation planning 553-3001-120
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