HP Cell Phone storage works modular smart array 20 Power Specifications, Nominal Value Range

4

Specifications

Power Specifications

Table 4-1: AC Input Requirements

	Nominal Value	Range
Frequency (±5%)	50 or 60 Hz	47 to 63 Hz
Voltage	110 or 240 V	90 to 254 V RMS
		(autoranging)
Steady state maximum current	At 240 V: 1.8 A (one power supply) or	—
	1.9 A (two power supplies)
	At 120 V: 3.7 A (one power supply) or
	3.9 A (two power supplies)
Standby current	0.21 A at 240 V, 60 Hz	—
	0.15 A at 120 V, 60 Hz

Environmental Specifications

Table 4-2: Environmental Specifications

	Operating	Shipping or Storage
Ambient temperature	10° to 35°C (5 0° to 95°F), with an aver age	–40° to 66° C
	change of less than 1°C p er hour and a step	–40° to 15 0°F
	change of less than 3°C p er hour
Relative humidity	40% to 60%, with a step change of less than	10% to 80%
(noncondensing)	10%
Air quality	Fewer than 500,000 particles 0.5 micron or	—
	larger per cubic foot (approximately 17,700 per
	liter)
Heat dissipation	1175 BTU/hr (345 W)	—

HP StorageWorks Modular Smart Array 20 Maintenance and Service Guide 4-1