NCR 7455 manual Power Requirements, Maximum Input Power Specifications

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