Switch Mode Power Supply (15/35/50/100/150/300/600-W Models)


Open-frame type, Input: 100 to 240 VAC, Power rating 50 W, Output: 12 VDC, Terminal blocks (Screw terminal), Harmonic current emissions

Power rating 50 W
Output voltage 12 VDC
Rated input voltage 100 to 240 VAC
Construction Open-frame type
Connection Terminal blocks
Terminal type Screw terminal

Item list of S8JX

  • Specifications
Power rating50 W
Output voltage12 VDC
Efficiency76% min.
InputRated input voltage100 to 240 VAC
Allowable input voltage variable range85 to 264 VAC
80 to 370 VDC
Note at DC inputThe range for compliance with EC Directives and safety standards (UL, EN, etc.) is 100 to 240 VAC (85 to 264 VAC).
Frequency50/60Hz (47 to 63 Hz)
Rated input curren0.75 A max. (at 100 VAC input)
0.4 A max. (at 200 VAC input)
Power factor0.9 min.
Leakage current0.5 mA max. (at 100 VAC input)
1 mA max. (at 200 VAC input)
Inrush current17.5 A max. (For cold start at 25 ℃) (at 100 VAC input)
35 A max. (For cold start at 25 ℃) (at 200 VAC input)
OutputRated output current4.2 A
Output voltage variable range-10 to +15% (With V.ADJ)
Ripple2%(p-p) max. (at rated input and output)
Static input variation influence0.4% max. (with AC input voltage)
Static load variation influence0.8% max. (rated input, 0 to 100% load)
Ambient temperature variation influence0.05%/℃ max.
Start up time1000 ms max.
Hold time20 ms min. (at rated input voltage: 100 or 200 VAC at 100% load)
Additional functionsOverload protectionYes, Automatic reset
Overvoltage protectionYes, Shut off the input voltage and turn on the input again
Overheat protectionNo
Series operationYes (Up to 2 Power Supplies with external diode)
Alarm indicationNo
Output indicatorYes (color: green)
Remote sensing functionNo
Remote control functionNo
InsulationDielectric strengthBetween all input terminals and all output terminals: 3 kVAC for 1 min, Detection current: 20 mA
Between all input terminals and PE terminals: 2 kVAC for 1 min, Detection current: 20 mA
Between all output terminals and PE terminals: 1 kVAC for 1 min, Detection current: 20 mA
Insulation resistanceBetween all output terminals and all input terminals/ PE terminals: 100 MΩ min., at 500 VDC
EnvironmentVibration resistance10 to 55 Hz, 0.375 mm single amplitude in each 3 directions for 2 hours
Shock resistance150 m/s**2, in each 6 directions 3 times
Ambient temperature (Operating)-10 to 70℃
Ambient temperature (Storage)-25 to 75℃
Ambient humidity (Operating)25 to 85%
Ambient humidity (Storage)25 to 90%
ConstructionConstructionOpen-frame type
ConnectionTerminal blocks
Terminal typeScrew terminal
MountingFront mounting, Bottom-mounting
Cooling fanCooling fan No
AttachmentFront mounting Bracket
Weight (Main)Approx. 370 g


Do not use the Inverter output for the Power Supply. Inverters with an output frequency of 50/60 Hz are available, but the rise in the internal temperature of the Power Supply may result in ignition or burning.


Switch Mode Power Supply (15/35/50/100/150/300/600-W Models)


about this Product