/mcpData sheet Cisco public © 2025 Cisco and/or its affiliates. All rights reserved. Table 11. BTU details for Catalyst 9500X switches with AC/DC PSU Total output BTU (Note: 1000 BTU/hr = 293W) – Model C9K-PWR-1500WAC C9K-PWR-1500WDC C9500X-28C8D 4,034 4,034 C9500X-60L4D 3,412 3,412 Tables 12 and 13 provides more details on the Cisco Catalyst 9500 Series power supplies. Table 12. Catalyst 9500 power supply specifications Power supply feature PWR-C4- 950WAC-R PWR-C4- 950WDC-R C9K-PWR- 650WAC-R C9K-PWR- 650WACL-R C9K-PWR- 930WDC-R C9K-PWR- 1600WAC-R C9K-PWR- 1600WDC-R Power max rating 950W 950W 650W 650W 930W 1600W 1600W Input voltage range and frequency AC 90 to 264 VAC, 47 to 63 Hz -36 to ~72 VDC AC 90VAC to 264VAC, 47 to 63 Hz AC 90 to 264 VAC, 47 to 63 Hz DC -40 to -72 VDC AC 90 to 140 VAC and 180 to 264 VAC 47 to 63 Hz DC -40 to Power supply efficiency 94% 91% at 48Vin, 50% load 94% (Typ) 94% (Typ) 92% (Typ) 94% (Typ) 92% (Typ) Input current AC 10A at 115VAC, 5 A at 230VAC 22.6A at 48Vin, 950W AC 6.8A max at 115VAC, 3.4A max at 230VAC (when full loading) AC 6.8A max at 115VAC, 3.4A max at 230VAC (when full loading) DC 23A max at -48VDC (when full loading) AC 10.5A max at 115VAC (1050W), 7.8A max at 230VAC (1600W) DC 40A max at -48VDC (when full loading) Output ratings 12V at 79A, 12V at 3A 950W 12Vmain at 54A, 12Vsb at 3A 12Vmain at 54A, 12Vsb at 3A 12Vmain at 54A, 12Vsb at 3A 12Vmain at 133A, 12Vsb at 3A 12Vmain at 133A, 12Vsb at 3A Output holdup time AC = 10 ms at maximum load 1 ms AC = 20 ms minimum for system AC = 12 ms minimum at maximum load AC = 8 ms minimum for system AC = 20 ms minimum for system AC = 5 ms minimum for system Power- supply input receptacles AC IEC 60320 C16 AC IEC 60320 C14 AC IEC 60320 C14 Molex Minifit 44540-1001 AC IEC 60320 C16 Amphenol C10- 638976- 000 Power cord rating AC 15A DC 40A AC 10A AC 10A DC 40A AC 15A DC 70A