Switch Mode Power Supply


Covered type, Natural air-cooling, Input: 80 to 370 VDC 100 to 240 VAC, Power ratings: 25 W, Output: 5 VDC

Power rating 25 W
Rated input voltage 100 to 240 VAC
Output voltage 5 VDC
Heat radiation Natural air-cooling
Construction Covered type
Structure Connector terminals
Mounting type DIN Rail mounting type

Item list of S8TS

  • Ratings / Performance
Power rating25 W
Efficiency73% TYP.(At rated input, 100% load)
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 Single-phase)
Rated input curren0.7A Max. (At 100 VAC input)
0.4A Max. (At 200 VAC input)
Power factor0.8 Min. (At rated input, 100% load)
Leakage current0.35 mA Max. (At 100 VAC input)
0.7 mA Max. (At 240 VAC input)
Inrush current17.5 A Max. (At 100 VAC input (For cold start at 25 CEL))
35 A Max. (At 200 VAC input (For cold start at 25 CEL))
Output voltage5 VDC
Output voltage variable range-10 to +10 % (With V. ADJ)
(The output voltage may increase beyond the allowable voltage range (up to +10% of the rated voltage) depending on the operation of the output voltage adjuster (V.ADJ). When adjusting the output voltage, check the output voltage of the Power Supply and be sure that the load is not damaged.)
Ripple2%(p-p) Max. (Under the rated I/O conditions.)
Static input variation influence0.5% Max. At 85 to 264 VAC input, 100% load
Static load variation influence2% Max. 0 to 100% load
1.5% Max. 10 to 100% load
Ambient temperature variation influence0.05 %/CEL Max.
Rated output current5 A
Start up time1000 ms Max. (100/200 VAC, rated input)
Hold time20 ms Min. (100/200 VAC, rated input)
Overload protection105% to 140% of the rated output current
Inverted L voltage drop, Automatic reset
Overvoltage protectionOperated at 115 to 155 % of the rated output voltage, Shut-off
Resetting: Reset the power by turning it back (OFF time: at least 1 min)
Maintenance forecast monitor outputNo
Total run time monitor outputNo
Undervoltage alarm outputYes (open collector output), 30 VDC Max., 50 mA Max.
Parallel operationNo
N+1 redundant systemNo
Series operationYes (with external diode)
Dielectric strengthBetween all inputs and all outputs: 3 kVAC for 1 min (Detection current: 20 mA)
Between all inputs and all outputs: 2 kVAC for 1 min (Detection current: 20 mA)
Between all inputs and all outputs: 1 kVAC for 1 min (Detection current: 20 mA)
Insulation resistanceBetween all outputs and all inputs/ PE terminals: 100 MOhm 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
ConstructionCovered type
StructureConnector terminals
Mounting typeDIN Rail mounting type
AttachmentHousing for connector terminals
Weight (Main)Approx. 450 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


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