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Site Preparation 23
Power Requirements
Core module contain a three-wire, single-phase, selectable 120/240 volt
AC, 95 Watt power supply. The supply powers the retail terminal,
DynaKey, MSR, some scanner, VFD display, keyboard, USB interface,
cash drawer, and PCMCIA cards.
The following tables show operating specifications for the power
supply.
Maximum Input Power Specifications
120 volt 240 volt
Voltage Ranges 90 - 136 VAC 198 - 257 VAC
Frequency 50/60 Hz 50/60 Hz
Current (A) 1.0 0.5
Power (W) 90 90
Power Factor (typical) 0.48 0.38
Typical Power Requirements
System Retail Terminal Condition Amps Watts KVA
120 Volt 7455 Soft OFF 0.39 20.9 0.04
7455 Idle (Power ON) 0.59 35.3 0.07
7455 Active with 4x20
display ON
0.66 38.3 0.08
240 Volt 7455 Soft OFF 0.25 18.5 0.05
7455 Idle (Power ON) 0.38 37.6 0.10
7455 Active with 4x20
display ON
0.43 40.6 0.11