Description
Providing a highly stable DC power source for automated machinery, the Omron S8JX-G10024CD is a DIN rail-mounted, covered switch-mode power supply rated at 100 W. This unit converts standard wide-range AC inputs to a regulated 24 VDC output, making it an essential component for powering PLCs, sensors, HMI panels, and industrial control circuits. Engineered with a compact footprint and integrated safety protections, the S8JX-G10024CD ensures continuous uptime in harsh panel environments where space and thermal management are critical.
Features
-
Rugged Covered Design: Provides physical protection to internal components while mitigating the risk of accidental contact with live electrical terminals.
-
Universal AC Input Capability: Supports standard single-phase mains voltages without manual switching or configuration.
-
Integrated Protections: Automatic recovery for overload conditions and clamp-style overvoltage protection guard connected field devices.
-
Adjustable Output: Integrated front-panel potentiometer allows precise fine-tuning of output voltage to compensate for line drops.
-
Direct DIN Rail Mounting: Factory-equipped with a robust DIN rail bracket for fast, tool-free installation in standard electrical enclosures.
Applications
-
Industrial Control Panels: Supplying clean 24 VDC control power to PLCs, I/O modules, and safety relays.
-
Packaging and Assembly Lines: Driving photoelectric sensors, inductive proximity switches, and small DC solenoids.
-
Building Automation: Powering HVAC controllers, monitoring systems, and local display panels.
Technical Specifications
| Specification Parameter |
Value / Detail |
| Manufacturer |
Omron |
| Model Code |
S8JX-G10024CD |
| Series |
S8JX Series |
| Power Rating |
100 W |
| Rated Input Voltage |
100 to 240 VAC (Allowable range: 85 to 264 VAC, 50/60 Hz) |
| Output Voltage |
24 VDC |
| Output Current |
4.5 A |
| Voltage Adjustment Range |
-10% to +15% (via front panel V.ADJ) |
| Overload Protection |
105% to 160% of rated current, inverted time delay, automatic reset |
| Overvoltage Protection |
Yes, clamp-style shut-off |
| Mounting Configuration |
DIN Rail-mounting |
| Enclosure Configuration |
Covered / Enclosed |
| Operating Temperature |
-20 to +60 degC (Refer to derating curves for high temperatures) |
| Unit Net Weight |
0.25 kg |
| Shipping Weight (Calculated) |
0.45 kg |
Empirical Engineering Insights
Alternative Models & Compatibility
The S8JX-G series is a highly reliable legacy line. If you are retrofitting older control panels, note that the S8JX-G series is functionally replaced by the modern Omron S8VK-C or S8VK-G series. When swapping this unit with an S8VK model, verify depth dimensions and terminal layout, as the S8VK utilizes a slimmer, deeper profile compared to the flatter, wider footprint of the S8JX.
Application Pitfalls & Engineering Notes
Thermal management is critical for the S8JX-G10024CD. In fully enclosed panels operating at ambient temperatures above 40 degC, output derating must be strictly applied. Avoid mounting multiple units side-by-side without at least a 15 mm air gap, as localized heat build-up will trigger the internal thermal protection or shorten the lifetime of the input electrolytic capacitors.
Commissioning & Wiring Tips
When connecting the input AC mains, ensure the protective earth (PE) terminal is securely grounded to the panel backplate to minimize high-frequency switching noise. If you utilize the front V.ADJ potentiometer to raise the output voltage to compensate for long field cable runs, verify that the terminal output does not exceed 27.6 VDC, as this can trigger the internal overvoltage protection (OVP) circuit and cause intermittent power cycling.
Installation Guidelines
CRITICAL WARNING: Hazardous voltages are present on the input terminals of this device. Ensure all AC mains feed breakers are physically locked out and tagged out (LOTO) and verify zero voltage on all incoming wiring before starting the installation. Do not operate the unit with the terminal cover removed.
1
Mount the power supply vertically onto standard 35 mm DIN rail (DIN EN 50022), ensuring the ventilation slots on the top and bottom are completely unobstructed.
2
Connect a dedicated copper ground wire to the Protective Earth terminal. Do not chain this ground connection through other control panel devices.
3
Terminate the single-phase AC input lines (Line and Neutral) using insulated crimp terminals. Tighten terminal screws to the manufacturer-specified torque of 0.8 N-m to prevent loose-connection heating.
4
Connect the positive and negative 24 VDC output load wires. Turn on the AC mains, observe the green DC ON LED indicator, and check output voltage levels before applying load.