Data Sheet
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Description Specification
C3K-PWR-1150WAC C3K-PWR-750WAC C3K-PWR-265WAC C3K-PWR-265WDC
Power-Supply Input Receptacles IEC 320-C14
(IEC60320-C14)
IEC 320-C14
(IEC60320-C14)
IEC 320-C14
(IEC60320-C14)
Power Cord Rating 15A 15A 15A 12A@-100VDC
Description Specifications
WS-C3750E-48PD-SF WS-C3750E-24PD-S WS-C3750E-48PD-S WS-C3750E-24TD-S WS-C3750E-48TD-S
C3K-PWR-1150WAC C3K-PWR-750WAC C3K-PWR-750WAC C3K-PWR-265WAC C3K-PWR-265WAC
100% Throughput
Measured Power
Consumption
152W 101W 131W 99W 149W
Measured Output
BTU/hr
516 344 445 338 506
5% Throughput
Measured Power
Consumption
142W 97W 124W 96W 140W
Measured Output
BTU/hr
482 331 420 326 475
5% Throughput (with 50% PoE loads)
Measured Power
Consumption
Switch Power: 564W
PoE Power: 386W
Switch Power: 304W
PoE Power: 195W
Switch Power: 333W
PoE Power: 196W
N/A N/A
Measured Output
BTU/hr
At the Switch: 608 At the Switch: 372 At the Switch: 468 N/A N/A
100% Throughput (with maximum possible PoE loads)
Measured Power
Consumption
Switch Power: 978W
PoE Power: 744W
Switch Power: 509W
PoE Power: 375W
Switch Power: 540W
PoE Power: 375W
N/A N/A
Measured Output
BTU/hr
At the Switch: 796 At the Switch: 456 At the Switch: 562 N/A N/A
Note:
Disclaimer: All power consumption numbers were measured under controlled laboratory conditions and are provided
as an estimate.
The wattage rating on the power supply does not represent actual power draw. It indicates the maximum power draw
possible by the power supply. This rating can be used for facility capacity planning. For PoE switches, cooling
requirements are smaller than the actual power consumption as a significant portion of PoE loads are dissipated in
the endpoints.
Non-PoE Power Consumption
100 Percent Throughput Switch Power Consumption
The numbers indicate the power consumed by a typical switch under normal conditions. Normal conditions signify a
temperature of 25 degrees Celsius, atmospheric pressure in the range of 860 to 1060 mbar, and relative humidity
from 30 to 75 percent. Typically such power draws are only seen when encountering a 100 percent traffic load made
up entirely of 64-byte packets on the switch and the uplinks.
5 Percent Throughput Switch Power Consumption
The numbers indicate the power consumed by a typical switch under normal conditions. Normal conditions signify a
temperature of 25 degrees Celsius, atmospheric pressure in the range of 860 to 1060 mbar, and relative humidity
from 30 to 75 percent. The numbers below indicate a 5 percent traffic load on the switch and its uplinks.
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