SDR120-48 KBC Networks DIN rail power supply for PoE switch 120W 47~55VDC out wide temperature range

The DR-120-48 & SDR-120-48 series are power supply units 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. Both the DR-120 and SDR-120 units provide 120W at 48Vdc.

Specifications

Output

• DC Voltage - 48Vdc
• Rated Current - 2.5A
• Current Range - 0~2.5A
• Rated Power - 120W
• Peak Current - 3.75A
• Peak Power - 189W (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, 60ms/230Vac, 3000ms, 60ms/115Vac at full load
• Hold Up Time - 20ms/230Vac, 20ms/115Vac at full load

Input

• Voltage Range(3) - 88 ~ 264Vac, 124 ~ 370Vdc
• Frequency Range - 47 ~ 63 Hz
• Efficiency (typ) - 90.5%
• AC Current (typ) - 1.4A/115Vac, 0.7A/230Vac
• Inrush Current (typ) - 35A/115Vac, 70A/230Vac
• Leakage Current - <1mA/240Vac

Protection

• Overload - Normally works within 110 ~ 150% rated output power for more than 3 secs & then shut down output voltage. >150% rated power, constant current limiting with auto-recovery within 3 secs & shut down output voltage after 3 secs
• Over Voltage - 56 ~ 65V, Protection type: shut down output voltage, repower on to recover
• Over Temperature - 95°C ±5°C (TSW: detect on power switch heatsink). Protection type: shut down output voltage, auto-recovery after temperature goes down

Mechanical

• Dimensions - 40mm x 126mm x 114mm, 1.57" x 4.96" x 4.49"
• Weight - 670g (1lb 8oz)

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) - 289.9khrs min MIL-HDBK-217F (25°C)

Approvals

• Approvals - UL508, TUV EN60950-1, EN55022 (CISPR22) Class B, EN61000-3-2, EN61000-3-3, EN61000-4-2,3,4,5,6,8,11, EN55024, EN61000-6-2, EN61204-3, SEMI F47, GL

Part Numbers

• SDR-120-48 - Extended temperature range power supply unit

SDR120-48 Specifications PDF