The SDR-480-48 is a power supply unit for use with the KBC PoE series industrial Ethernet edge switches. They are designed for use in a wide range of operating temperatures in non-environmentally conditioned, industrial applications. The SDR-480-48 provides 480W at 48Vdc.

Output

• DC Voltage- 48Vdc
• Rated Current- 10A
• Current Range- 0~10A
• Rated Power- 480W
• Peak Current- 15A
• Peak Power- 720W (3 secs max)
• Ripple & Noise (max)(1)- 120mVp-p
• Voltage Adj. Range- 48~55Vdc
• Voltage Tolerance(2)- ±1.0%
• Line Regulation- ±0.5%
• Load Regulation- ±1.0%
• Setup, Rise Time- 1500ms, 150ms/230Vac, 3000ms, 150ms/115Vac at full load
• Hold Up Time- 14ms/230Vac

Input

• Voltage Range(3)- 90 ~ 264Vac, 127 ~ 370Vdc
• Frequency Range- 47 ~ 63 Hz
• Efficiency (typ)- 94%
• AC Current (typ)- 5A/115Vac, 2.5A/230Vac
• Inrush Current (typ)- 40A/115Vac, 80A/230Vac
• Leakage Current- <0.8mA/240Vac

Protection

• Overload- Normally works within 110 ~ 150% rated output power for more than 3 secs & then shut down output voltage with auto-recovery. >150% rated power, constant current limiting with auto-recovery within 2 secs & may shut down after 2 secs.
• Over Voltage- 56 ~ 65V, Protection type: shut down output voltage, with auto-recovery or re-power on to recovery
• Over Temperature- 105°C ±5°C (TSW: detect on heatsink of power switch). Protection type: shut down output voltage, auto-recovery after temp goes down

Mechanical

• Dimensions- 86mm x 126mm x 129mm, 3.34” x 4.96” x 5.08”
• Weight- 1.6g (3lb 9oz)

Environmental

• Operating Temperature(4)- -25°~ +70°C /-13°~ 158°F
• Operating Humidity- 20 to 95% RH non-condensing
• Storage Temperature- -40°~ +85°C / -40°~ 185°F
• Temp Coefficient- ±0.03%/°C(0 ~ 50°C), Component: 10 ~ 500Hz, 2G 10min/1cycle, 60 min each along X, Y Z axes, Mounting: IEC60068-2-6
• Mean Time Between Failure (MBTF)- 112.9khrs min MIL-HDBK-217F (25°C)