EMC B Series

Power supply specifications
57
Specifications
Power supply specifications
The power supply is universal and capable of functioning worldwide
without using voltage jumpers or switches. It meets IEC 61000-4-5
surge voltage requirements and is autoranging in terms of
accommodating input voltages and line frequencies. The power
supply has its own built-in fan for cooling, pushing the air toward the
port side of the switch. The power supply is not removable.
Table 11 lists the power supply specifications for the DS-300B.
Table 11 DS-300B Power Supply Specifications
Specification Value
Inlet C13
Maximum output from the power supply 75 watts
System power consumption 48 watts nominal, 57 watts maximum
Input voltage 85 - 264 VAC, universal
Input line frequency 47 - 63 Hz
BTU rating 277 BTU/hr
Inrush current 21.5 Amps at 240 Vac Cold Start