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

 

0.66

38.3

0.08

 

display ON

 

 

 

 

 

 

 

 

 

 

 

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

0.43

40.6

0.11

display ON

 

 

 

 

 

 

 

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NCR 7455 manual Power Requirements, Maximum Input Power Specifications