3Com manual 40A DC Power Supply, REDUNDANCY IN THE COREBUILDER 7000 FAMILY ATM SWITCH

92CHAPTER 7: REDUNDANCY IN THE COREBUILDER 7000 FAMILY ATM SWITCH

Table 23 CoreBuilder DC (3C37026) Power Supply Specifications (continued)

Efficiency (%)	76
Max power input (W)	295
P.S Heat Dissipation (W)	71
Heat Dissipation (BTU)	1005

40A DC Power Supply

Table 24 CoreBuilder DC (3C37027) Power Supply Specifications

Parameter	Channel 1	Channel 2
Nominal output voltage (V)	5	12.3
Output voltage range (V)	5 +/- 5%	12.3 +/- 3%
Maximum output current (A)	90	2
Minimum output current (A)	0	0
Maximum output power (W)	450	24
Input voltage range (V)	36-72
Input current range (A)	13.0A@48VDC
Inrush current (A)	35A@48VDC
Operating temperature (Celsius)	0 ~ 40
Safety	UL478, 1950/CSA22.2/TUV
	EN60950
Efficiency (%)	76
Max power input (W)	625
P.S Heat Dissipation (W)	150
Heat Dissipation (BTU)	2123