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: 48 VDC, Terminal blocks (Screw terminal), DIN Rail mounting, Harmonic current emissions

Power rating 50 W
Rated input voltage 100 to 240 VAC
Output voltage 48 VDC
Heat radiation Natural air-cooling
Construction Open-frame type
Terminal type Screw terminal
Structure Terminal blocks
Mounting type DIN Rail mounting

Item list of S8JX

  • Ratings / Performance
Power rating50 W
Efficiency80 % min.
Rated 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).
Frequency50/60 Hz (47 to 63 Hz)
Rated input curren0.75 A max.
0.4 A max.
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.
35 A max.
Output voltage48 VDC
Output voltage variable range-10 to +10% (With V. ADJ)
Ripple2 %(p-p) max. (Under the rated I/O conditions.)
Static input variation influence0.4% max. with AC input voltage
Static load variation influence0.8% max. at rated input, 0 to 100% load
Ambient temperature variation influence0.05 %/℃ max. (At rated input/output voltage)
Rated output current1.1 A
Start up time1000 ms max.
Hold time20 ms min.
Overload protection105% to 160% of the rated output current, Voltage drop, Intermittent operation, Automatic reset
Overvoltage protectionOperated at 130% min. of the rated output voltage, Shut-off
Resetting: Reset the power by turning it back (OFF time: at least 3 min)
Overheat protectionNo
Parallel operationNo (However, backup operation is possible; external diodes required.)
Series operationYes (Up to 2 Power Supplies with external diode)
Dielectric strengthBetween all inputs and all outputs: 3 kVAC for 1 min (Detection current: 20 mA)
Between all inputs and PE terminals: 2 kVAC for 1 min (Detection current: 20 mA)
Between all outputs and PE terminals: 1 kVAC for 1 min (Detection current: 20 mA)
Insulation resistanceBetween all outputs and all inputs/ PE terminals: 100 MΩ min. (at 500 VDC)
Vibration 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
Output indicatorYes (color: green)
Heat radiationNatural air-cooling
ConstructionOpen-frame type
StructureTerminal blocks
Terminal typeScrew terminal

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)


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