Power Protection —
MDR-40-12/24
Overload: 105–150% rated output power;
Protection type: Hiccup mode, recovers automatically after fault condition is removed; 
Over voltage: 13.8–16.2V; 
Protection type: Shut down o/p voltage, repower on to recover 
MDR-40-48
Overload: 105–150% rated output power;
Protection type: constant current limiting, recovers automatically after fault condition is removed; 
Over voltage: 58–65V; 
Protection type: Shut down o/p voltage, repower on to recover 
Power — 
MDR-40-12:
Output:
DC voltage: 12V; 
Rated current: 3.33A; 
Current range: 0–3.33A; 
Rated power: 40 watts; 
Ripple and noise (maximum): 120mVp-p; 
Voltage tolerance: ±1.0%; 
Line Regulation: ±1.0%; 
Load Regulation: ±1%; 
Setup, rise time: 500 ms, 30 ms/230-VAC; 500ms, 30 ms/115-VAC at full load; 
Hold up time (typical): 50 ms/230-VAC; 20 ms/115-VAC at full load; 
Input: 
Voltage range: 85–264-VAC, 120–370-VDC; 
Frequency range: 47–63Hz; 
Efficiency (typical): 86%; 
AC Current (typical): 1.1A/115-VAC; 0.7A/230-VAC; 
Inrush current (typical): Cold start: 30A/115-VAC, 60A/230-VAC; 
Leakage current: <1mA/240-VAC 
MDR-40-24:
Output:
DC voltage: 24V; 
Rated current: 1.7A; 
Current range: 0–1.7A; 
Rated power: 40.8 watts; 
Ripple and noise (maximum): 150mVp-p; 
Voltage tolerance: ±1.0%; 
Line Regulation: ±1.0%; 
Load Regulation: ±1%; 
Setup, rise time: 500 ms, 30 ms/230-VAC; 500 ms, 30 ms/115-VAC at full load; 
Hold up time (typical): 50 ms/230-VAC; 20 ms/115-VAC at full load; 
Input: 
Voltage range: 85–264-VAC, 120–370-VDC; 
Frequency range: 47–63Hz; 
Efficiency (typical): 88%; 
AC Current (typical): 1.1A/115-VAC; 0.7A/230-VAC; 
Inrush current (typical): Cold start: 30A/115-VAC, 60A/230-VAC; 
Leakage current: <1mA/240-VAC 
MDR-40-48:
Output:
DC voltage: 48V; 
Rated current: .8A; 
Current range: 0–.8A; 
Rated power: 40.8 watts; 
Ripple and noise (maximum): 200mVp-p; 
Voltage tolerance: ±1.0%; 
Line Regulation: ±1.0%; 
Load Regulation: ±1%; 
Setup, rise time: 500 ms, 30 ms/230-VAC; 500 ms, 30 ms/115-VAC at full load; 
Hold up time (typical): 50 ms/230-VAC; 20 ms/115-VAC at full load; 
Input: 
Voltage range: 85–264-VAC, 120–370-VDC; 
Frequency range: 47–63Hz; 
Efficiency (typical): 88%; 
AC Current (typical): 1.1A/115-VAC; 0.7A/230-VAC; 
Inrush current (typical): Cold start: 30A/115-VAC, 60A/230-VAC; 
Leakage current: <1mA/240-VAC 
Temperature —   Operating: -20 to +70° C, Storage: -40 to 85° C; Temperature coefficient: ±0.03%/° C, (0–50° C); 
Humidity — 20–90%, non-condensing; 
Vibration: component — 10–500 Hz, 2G 10 minutes/1 cycle, 60 minutes each along X, Y, Z axes; mounting: compliant to IEC60068-2-6 
Size — 
MDR-40-12/24/48: 9H x 4W x 10D cm
Weight — 
MDR-40-12/24/48: 0.3 kg