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Omron S8FS-C10024J — front face of the enclosed aluminium housing showing the brand label, the 24 VDC output rating, and the DC OK green LED

Omron S8FS-C10024J — 100 W 24 VDC PSU, Free-Voltage AC In

SKU: S8FS-C10024J

USD 11.00

S8FS-C 100 W enclosed switching power supply, 24 VDC / 4.5 A output, AC 100-240 V free-voltage input, vertical terminals, 3-year warranty.

1-Year Warranty Full manufacturer warranty
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Product Overview

The Omron S8FS-C10024J is a 100 W enclosed switching power supply from the S8FS-C series, the cost-effective general-purpose tier of Omron's industrial PSU family. It outputs a regulated 24 VDC at 4.5 A — enough for one or two compact PLCs, a small HMI, and a string of 24 V sensor inputs. The "J" suffix is the free-voltage AC input version: AC 100-240 V (allowable AC 85-264 V), 50/60 Hz, plus DC 120-370 V. The plain S8FS-C10024 (no J) is the switch-selectable 100-120 V / 200-240 V version with a different DC input range.

Where it fits in the S8 family

S8FS is the cost-effective tier (three-year warranty, FA-panels fit). S8VK-C is the economy tier (similar warranty but tighter feature set). S8VK-G is the value tier with peak 120 % boost. S8VK-S is the premium tier with Push-In Plus terminals and a low-voltage alarm output. Pick S8FS when the spec says "100 W continuous, no boost, no alarm, 3-year warranty" — that is the headline pitch. Pick S8VK-S06024 instead if you want a slim 60 W with a low-voltage alert; pick S8VS-12024A if you need a maintenance display.

What makes the J different

The "J" suffix is on the model code, not a separate family. It means the unit accepts free-voltage AC 100-240 V without a slide switch. The plain S8FS-C10024 has a slide-switch on the side that the user must set to 100-120 V or 200-240 V before applying AC; mis-setting the switch is a common burn-out cause. For new machines exported worldwide or sold into cabinets fed from any AC mains, choose the J version.

Before ordering

Size the load at 80 % of rated 4.5 A to leave headroom on inductive inrush. The vertical terminal block accepts 22-14 AWG wires; torque to 0.74 N·m. Allow for the operating temperature rating (-20 to 60 °C with no fan; the 150 W / 200 W / 350 W / 600 W siblings carry an internal fan). Add a Y-shaped surge protector on the AC input side for any cabinet near a variable-frequency drive. The unit mounts to a backplate or DIN-rail with the included bracket.

Key Features

  • S8FS-C series enclosed industrial switching power supply
  • 100 W continuous output, 24 VDC regulated at 4.5 A
  • Free-voltage AC 100-240 V input (AC 85-264 V allowable), 50/60 Hz
  • Also accepts DC 120-370 V input
  • Vertical terminal block (J suffix = no AC slide-switch)
  • 105 °C-rated Japanese electrolytic capacitors, 3-year warranty
  • Resists AC 300 V abnormal input, 10-90 kHz inverter noise, and surge per IEC 61000-4
  • Suitable for altitudes up to 3,000 m
  • Operating temperature -20 to 60 °C, no fan required
  • UL 508 (Listing), CE, CCC (15-150 W models), EN 61204-3 Class A EMC
  • DIN-rail or panel mounting with included bracket
  • SKU: S8FS-C10024J
  • Series: S8FS-C enclosed cost-effective industrial PSU
  • Voltage: 24 VDC
  • I/O: 100 I/O

Best-Fit Applications

  • Power for one CP1L or CP2E PLC plus a 5-7 inch HMI in a small machine cabinet
  • 24 VDC supply for E3FA / E2E sensor I/O strings feeding a single CJ1 / CP1E CPU
  • General-purpose 24 VDC bus for control panels exporting worldwide on free-voltage mains
  • Back-up retrofit of older S8JC-Z10024C supplies with the same 100 W footprint
  • Spare PSU in a panelbuilder's shelf to cover most 24 VDC needs without skus

Buying Checklist

  • Pick the plain S8FS-C10024 (no J) only if the cabinet is fixed at 100-120 or 200-240 VAC and you want a slide-switch selector.
  • Pick S8VK-G12024 instead if you want 120 W with a 150 % peak boost for motor-start inrush.
  • Pick S8VK-S06024 instead if a slim 60 W unit fits the cabinet better.
  • Pick S8VS-12024A if you need a maintenance display and over-voltage alarm output.
  • Pick S8FS-C15024 if you routinely drive 5 A or more — the 100 W is 4.5 A, the 150 W is 6.5 A.
  • Size the load to 80 % of 4.5 A (≈3.6 A) to leave headroom for cold-start inrush on 24 V solenoids.

Technical Specifications

Series S8FS-C enclosed cost-effective industrial PSU
Output Power 100 W continuous
Output Voltage / Current 24 VDC / 4.5 A
Input Voltage (AC) AC 100-240 V free-voltage (AC 85-264 V allowable), 50/60 Hz
Input Voltage (DC) DC 120-370 V
Voltage Adjustment Range ±10 % via front V.ADJ potentiometer
Cooling Natural convection, no internal fan
Operating Temperature -20 to 60 °C at rated load
Terminal Style Vertical terminal block, screw-clamp
Mounting Backplate or DIN-rail (with included bracket)
Compliance UL 508 Listed, CE (EN 61204-3 Class A), CCC

FAQ for S8FS-C10024J

What is the difference between S8FS-C10024J and S8FS-C10024?
They are the same 100 W / 24 VDC / 4.5 A supply, but the AC input stage differs. The S8FS-C10024 (no J) has a slide switch that you must set to either 100-120 VAC or 200-240 VAC before applying power. The S8FS-C10024J (with J) accepts free-voltage AC 100-240 V directly with no selector. For new machines built in countries with mixed mains, the J version avoids the common "forgot to flip the switch" burn-out.
Can the S8FS-C10024J take 110 VDC input from a battery?
Yes, the J suffix accepts DC 120-370 V, which covers common DC battery and DC bus voltages (125 VDC nominal battery systems and 220-340 VDC in solar / DC microgrids). The plain S8FS-C10024 (no J) has a wider DC range of 248-373 V and would not handle 125 VDC battery systems.
Does the S8FS-C10024J need a fan or special cooling clearance?
No. The 100 W rating is met with natural convection across the aluminium housing, no internal fan. Allow 25 mm clearance above and below for airflow, and keep the operating temperature below 60 °C. For ambient above 60 °C or for continuous loads over 4 A, the 150 W S8FS-C15024 with a larger heat-sink area is a safer choice.

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