Omron S8VS-12024 — 120 W 24 VDC DIN-Rail Power Supply
SKU: S8VS-12024USD 62.50
Basic 120 W DIN-rail switching power supply, 100–240 VAC input, regulated 24 VDC at 5 A output, 87 percent efficiency typical, screw terminal block, covered type, 3-year warranty. Lowest-cost variant in the S8VS 120 W class.
1-Year Warranty
Full manufacturer warranty
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Product Overview
The S8VS-12024 is the basic 120 W member of the Omron S8VS family of DIN-rail-mounted switch-mode power supplies. It accepts a wide-range 100 to 240 VAC input (allowable 85 to 264 VAC, or 80 to 370 VDC) and delivers a regulated 24 VDC output at 5 A continuous (120 W). Typical efficiency is 84 % at 100 VAC input and 87 % at 200 VAC input — high enough that the supply can deliver full 120 W continuously without active cooling, mounted on standard DIN rail in a 0 to +60 °C ambient with normal cabinet ventilation.
Where the S8VS-12024 fits in the S8VS family
The S8VS family covers eight power ratings from 15 W up to 480 W at 5 VDC, 12 VDC, and 24 VDC output voltages: S8VS-015@@ (15 W), S8VS-030@@ (30 W), S8VS-060@@ (60 W), S8VS-090@@ (90 W), S8VS-120@@ (120 W — this SKU), S8VS-180@@ (180 W), S8VS-240@@ (240 W), and S8VS-480@@ (480 W).
When the basic S8VS-12024 is the right pick — and when to step up
The basic S8VS-12024 is the right pick when the cabinet has no requirement for local voltage/current readout, no requirement for predictive maintenance, and no SCADA system that needs a digital alarm input from the power supply. Common applications include small OEM machine panels (one CP1L or CP2E PLC, 16–32 I/O, a handful of 24 VDC sensors and relays), distributed I/O drop panels that feed an upstream PLC, and retrofit panels where the original supply has failed and the wiring footprint needs to remain identical.
Key Features
- Basic 120 W DIN-rail switch-mode power supply, 24 VDC / 5 A output
- Wide-range 100 to 240 VAC input
- 84 % efficiency at 100 VAC, 87 % efficiency at 200 VAC typical
- Covered housing with screw terminal block output
- Green DC OK LED on front panel
- 24 VDC ±2 % output regulation, 150 % peak overload for 5 s
- Operating temperature -10 to +60 °C
- Parallel operation possible with external diode or current-share wiring
- SKU: S8VS-12024
- Series: S8VS (15/30/60/90/120/180/240/480 W switch-mode)
- Voltage: 24 VDC
- I/O: 24 I/O
Best-Fit Applications
- Powering a CP1L or CP2E PLC plus 16–32 I/O points in a small OEM machine panel
- 24 VDC supply for an NX-series EtherCAT coupler and a few NX-IO remote drops
- Distributed I/O drop panel feeding an upstream CS1 or NJ controller
- Retrofit panel replacing a failed DIN-rail supply with identical footprint and terminal layout
Buying Checklist
- Pick S8VS-12024 when you need a basic 120 W / 24 VDC / 5 A DIN-rail supply with no display and no alarm
- Pick S8VS-12024A when you need a 7-segment display of V / A / peak hold current plus maintenance-forecast monitor with sinking alarm output
- Pick S8VS-12024AP when you need the display plus a sourcing alarm output
- Pick S8VS-12024BE when you need the undervoltage alarm in a basic package
- Pick S8VK-G12024 for new designs where a 5-year warranty and 88 % efficiency matter more than 3-year and 87 %
- Pick S8VS-09024 if your load budget is closer to 75 W continuous
Technical Specifications
| Model | S8VS-12024 |
|---|---|
| Series | S8VS (15/30/60/90/120/180/240/480 W switch-mode) |
| Type | DIN-rail switching power supply, basic model |
| Power Rating | 120 W |
| Output Voltage | 24 VDC |
| Rated Output Current | 5 A continuous |
| Output Voltage Adjustment | ±10 % of 24 V (approx. 21.6 to 26.4 VDC) |
| Rated Input Voltage | 100 to 240 VAC (allowable 85 to 264 VAC, or 80 to 370 VDC) |
| Inrush Current | 20 A max at 100 VAC cold start; 40 A max at 200 VAC |
| Leakage Current | 0.5 mA max at 240 VAC |
| Terminal Type | Screw terminal |
| Mounting | DIN rail (35 mm) |
| Operating Temperature | -10 to +60 °C (load derated above 40 °C) |
| Withstand Voltage | 3,000 VAC input to output, 2,000 VAC input to ground |
Resources & Downloads
FAQ for S8VS-12024
What is the difference between S8VS-12024 and S8VS-12024A?
Both are 120 W / 24 VDC / 5 A DIN-rail supplies with the same input range and basic electrical ratings. The difference is features. The S8VS-12024 (this SKU) is the basic model — covered (finger-safe) housing, screw terminal output, green DC OK LED, no display, no alarm output.
Can the S8VS-12024 replace a failed S8VS-12024A?
Yes — the basic electrical ratings are identical (120 W, 24 VDC ±2 %, 5 A continuous, same input range and efficiency), and the footprint, mounting holes, and screw-terminal layout match between the basic and -A variants. You will lose the display readout (the front face is blank except for the DC OK LED) and the alarm output will no longer drive the SCADA input.
What is the recommended modern replacement for the S8VS-12024?
For new designs, Omron recommends the S8VK-G12024 — it has the same 120 W / 24 VDC / 5 A rating, the same DIN-rail footprint and screw-terminal layout, 88 % efficiency (vs 87 %), a wider -25 to +70 °C operating temperature range (vs -10 to +60 °C), and a 5-year warranty (vs 3 years on the S8VS-12024). For an identical-function replacement of an S8VS-12024 already in service, the S8VS-12024A or S8VS-12024AP are the same-generation upgrades with display and alarm options.
Can I run two S8VS-12024 supplies in parallel for redundancy?
Yes — you can parallel two S8VS-12024 supplies for 10 A redundant capacity, but you must add external current-sharing or OR-ing diodes. The S8VS-12024 does not have a built-in current-share bus, so two supplies without diodes will fight each other and one will typically current-limit while the other carries more load, which shortens both supplies' life.
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