Switch Mode Power Supply (15, 30, 50, 100, 150, and 240-W Models)


Chassis, Open-frame type, Input: 100 to 240 VAC, Power rating 150 W, Output: 12 VDC, Connector, Harmonic current emissions

Power rating 150 W
Rated input voltage 100 to 240 VAC
Output voltage 12 VDC
Heat radiation Natural air-cooling
Construction chassis with open type
Structure Connector
Mounting type Bottom-mounting

Item list of S8EX

  • Ratings / Performance
Power rating150 W
Efficiency83% TYP. (at 100 VAC input)
86% TYP. (at 200 VAC input)
Rated input voltage100 to 240 VAC
Allowable input voltage variable range85 to 264 VAC
120 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 curren1.9 A TYP. (at 100 VAC input)
0.95 A TYP. (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 current14.1 A TYP. (at 100 VAC input (For cold start at 25 ℃))
28.3 A TYP. (at 200 VAC input (For cold start at 25 ℃))
Output voltage12 VDC
Output voltage variable range-10 to +10% (With V. ADJ)
Ripple240 mV max. (Under the rated I/O conditions.)
Static input variation influence0.5% max. at 85 to 264 VAC input, 100% load
Static load variation influence1.5% max. at rated input, 0 to 100% load
Ambient temperature variation influence0.05 %/℃ max.
Rated output current12.5 A /18.8 A (Peak current)
Start up time660 ms TYP. (at 100 VAC input)
Hold time20 ms TYP. (at 100 VAC input)
Overload protection100% to 110% of power boost for 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)
Power factor improvement functionYes
Parallel operationNo (However, backup operation is possible; external diodes required.)
Series operationYes (Up to 2 Power Supplies)
Remote control functionNo
Dielectric strengthBetween all inputs and all outputs: 3 kVAC for 1 min (Cut-off current: 10 mA)
Between all inputs and PE terminals: 2 kVAC for 1 min (Cut-off current: 10 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, 19.6 m/s**2 (2 G) in each 3 directions for 1 hour
Shock resistance196.1 m/s**2, in each 6 directions 3 times
Output indicatorNo
Heat radiationNatural air-cooling
Constructionchassis with open type
Weight (Main)Approx. 480 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.

  • Connection diagram

Block diagram

  • Derating curve

  • Mounting

  • Mounting illustration

Mounting hole dimension


Switch Mode Power Supply (15, 30, 50, 100, 150, and 240-W Models)


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