Cisco Systems 4500 manual Table A-9 DC Triple-Input Power Supply Specifications

Appendix A Specifications

Catalyst 4500 Series Power Supplies

Table A-9	1400 W DC Triple-Input Power Supply Specifications
Item		Specification
Minimum software requirement		Cisco IOS Release 12.2(25)EW
Power over Ethernet		Not supported
DC-input voltage		Domestic and international: –48 to –60 VDC
DC-input current		42.5 A maximum @ –48 VDC input
		Input 1: 12.5 A at –48 to –60 VDC
		Input 2: 15 A at –48 to –60 VDC
		Input 3: 15 A at –48 to –60 VDC
Input power		1772	W @ 1400 W output power
Current draw At –40.5 V (min voltage)		42.5 A
Current draw at –72 V (max voltage)		25 A
Max heat dissipation at 1400 W		1269	BTUs
Maximum KVA rating		1.77 at 1400 W load
Power supply output (DC supply)		12 V@ 8 A minimum, 115.3 A maximum
		3.3 V @ 1.2 A minimum, 12.5 A maximum
		1360	W+ 40 W redundant mode
		2450	W maximum in combined mode
DC input terminal block		Model: Cooper Bussmann Magnum. Accepts terminals with
		flat angle, one hole tongue, which accommodates 10 to 12
		AWG size copper wire. The connector the barrier spacing is
		0.378 in (9.6 mm), and the screw size is 8-32.
Output holdup time		8 ms
Max heat dissipation		1269	BTUs/hr

	Catalyst 4500 Series Switches Installation Guide
78-14409-08		A-15