Cisco 6509 Installation Guide - Page 255

Appendix A Power Supply Specifications 6000 W AC-Input Power Supply Table A-19 6000 W AC-Input Power Supply Specifications (continued) Specification System power dissipation Branch circuit requirement (AC-input) Power supply output Output holdup time Heat Dissipation Description 7034 W Each power supply input should have its own dedicated, fused-branch circuit: • For North America-20 A • For International-Circuits should be sized according to local and national codes • All Catalyst 6500 series AC-input power supplies require single-phase source AC. • All AC power supply inputs are fully isolated. - Source AC can be out of phase between multiple power supplies in the same chassis, which means that PS1 can be operating from phase A and PS2 can be operating from phase B. - Source AC can be out of phase between AC inputs on power supplies that are equipped with multiple AC inputs, which means that power cord 1 can be plugged into phase A and power cord 2 can be plugged into phase B. • 2900 W operation (one 220 VAC source or two 110 VAC sources) - 25 A @ +3.3 V - 12 A @ +12 V - 63.6 A @ +42 V • 6000 W operation (two 220 VAC sources) - 25 A @ +3.3 V - 12 A @ +12 V - 137.4 A @ +42 V • 20 ms minimum 23,812 BTU/hour (approx.) OL-5781-04 Catalyst 6500 Series Switches Installation Guide A-45