Antaira MDR-40 (-12, -24, -48) 40-Watt Miniature Power Supply, 12V, 24V or 48V Output

Antaira MDR-40 40W Miniature DIN Rail Power Supply, 5V, 12V, 24V, or 48V Out
Model: MDR-40
Availability: IN STOCK

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MDR-40 40-Watt Compact Industrial AC to DC Power Supply, DIN-Rail Mounting, Select 12, 24, or 48 Volt Output

The MDR-40 AC/DC power supply provides your choice of 12V, 24V or 48V DC output.  It's perfect for powering small industrial electronics mounted in DIN rail cabinets.  Its rugged design can endure hot, dusty conditions typically found in heavy industrial environments.  It features DIN-rail mounting and protection against shorts and surges.  It meets common safety standards.


  • 40 watts of power
  • Choose from 12 VDC / 3.33 amps, 24 VDC / 1.7 amps or 48 VDC / .83 amps
  • Full range, universal AC input
  • Mounts to standard DIN rails
  • Short circuit, overload, over voltage and over temperature protection
  • Power-on LED indicator
  • Side vents for air circulation
  • 100% full load burn-in test
  • 3-year warranty

NOTE: A power cord is not included and sold separately. Order the AC power cord at PWRCORD-NOPLUG (or see Product Accessories tab). The PWRCORD-NOPLUG has 3 stripped 18 AWG wires that screw into the MDR-40 terminal blocks.

Rated Power40 watts
Output Voltage12V | 24V | 48V
ConnectionI/P: 3 poles, O/P: 6 poles screw DIN terminal
Input Voltage85 to 264 VAC | 120 to 370 VDC
Relay Alarm ContactDC OK Signal
Overload Protection105% ~ 150% constant current limiting, auto-recovery
Inrush CurrentCold start, 30A at 115VAC, 60A at 230VAC
Hold Up Time50ms at full load and 230VAC
Over Voltage Protection125% ~ 150% rated output voltage
Dimensions40 x 90 x 100 mm (1.57 x 3.54 x 3.94 inches)
Weight0.3 kg (0.66 lbs.)
Operating Temperature -20 to 50°C at 100% load; -20 to 70°C at 50% load
Safety StandardsUL508, TUV EN60950-1 approved
EMCEN61204-3; ENV50204; EN55022 class B; EN61000-3-2,-3; EN61000-6-2 heavy industry level; EN61000-4-2,3,4,5,6,8,11
Warranty3 Years
Withstand VoltageI/P-O/P: 3KVAC, I/P-FG: 1.5KVAC, 1 minute
Download NameFile Size
MDR-40 Datasheet320KB
ImageModelProduct NamePrice
PWRCORDAntaira PWRCORD AC Power Cord$6.00Add to Cart