Omron S8VK-T12024 — 120 W 24 VDC Three-Phase PSU
SKU: S8VK-T12024USD 75.00
120 W DIN-rail PSU for 380-480 VAC two- or three-phase cabinets. Supplies 24 VDC at 5 A with 120% power boost.
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Product Overview
The Omron S8VK-T12024 turns a 380–480 VAC plant supply into 24 VDC control power without requiring a separate 230 V feed. It delivers 120 W at 5 A and accepts either a three-phase or two-phase connection; a high-voltage DC feed is also supported. This makes it a practical match for compact machines whose main cabinet supply is 400 or 480 VAC. The 40 mm-wide unit mounts on a standard DIN rail and uses screw terminals.
Why choose the T model?
Choose S8VK-T12024 when high-voltage two- or three-phase power is already available at the panel. The similarly sized S8VK-C12024 and S8VK-G12024 provide the same 24 VDC, 5 A output but need 100–240 VAC single phase. The T model therefore avoids adding a separate lower-voltage AC feed. It also allows a brief 6 A power boost for startup demand. It is not suitable for 208 or 230 VAC because those voltages fall below its allowed input range.
Where it fits
This 120 W size is aimed at modest control loads: a PLC and I/O rack, an HMI, sensors, relay coils, and a small group of other 24 VDC devices. Choose S8VK-T24024 if the total steady load is above 5 A or future expansion would leave too little margin. The larger T models keep the same input approach for cabinets with heavier control loads.
Before ordering
Confirm whether the panel will use the two-phase or three-phase diagram in the Omron manual. A neutral is not required, but protective earth is. Add the normal current of all connected loads and do not treat the temporary boost as continuous capacity. Check the reduced load limit at high temperatures and the mounting space before finalizing the panel layout. Two matching supplies can operate in parallel, but only under the conditions in the datasheet.
Key Features
- 120 W supply with 24 VDC, 5 A output
- 380–480 VAC two- or three-phase input
- 450–600 VDC rated input supported
- 120% short-term power boost to 6 A
- 40 mm-wide DIN-rail housing
- Screw terminals and green DC ON indicator
- Parallel operation for up to two matching units
- SKU: S8VK-T12024
- Series: S8VK-T
- Voltage: 24 VDC
- I/O: 24 I/O
Best-Fit Applications
- 24 VDC control power in machinery supplied from 400 V three-phase mains
- PLC, HMI, and sensor power in conveyor or packaging cabinets
- OEM machines installed where no separate 230 V control feed is available
- Process skids using a two-phase 380–480 VAC cabinet supply
- Compact control panels needing 5 A plus brief startup headroom
Buying Checklist
- Confirm the available feed is 380–480 VAC; 208 and 230 VAC are not supported.
- Check that 5 A covers the normal load without relying on power boost.
- Choose S8VK-C12024 or S8VK-G12024 when only 100–240 VAC single phase is available.
- Verify the wiring follows the correct two- or three-phase diagram and includes protective earth.
- Allow for a lower output limit at high temperature or with nonstandard mounting.
Technical Specifications
| Series | S8VK-T |
|---|---|
| Power Rating | 120 W |
| Output Voltage | 24 VDC |
| Output Current | 5 A |
| AC Input | 380–480 VAC, two or three phase |
| DC Input | 450–600 VDC rated |
| Efficiency | 89% |
| Power Boost | 6 A max. (120%), up to 10 s |
| Connection | Screw terminals |
| Parallel Operation | Up to two matching units |
| Operating Temperature | -40 to 70 °C |
| Dimensions (W × H × D) | 40 × 125 × 113 mm |
Resources & Downloads
FAQ for S8VK-T12024
Can the S8VK-T12024 run from two phases, and does it need neutral?
Yes. Omron rates the S8VK-T12024 for both two-phase and three-phase 380–480 VAC input. It does not need a neutral; use the designated input terminals and protective earth shown in the manual, with upstream protection selected for the chosen connection before energizing the panel.
What is the difference between S8VK-T12024 and S8VK-C12024?
Both provide 120 W at 24 VDC and 5 A in the same 40 × 125 × 113 mm housing. T12024 is for 380–480 VAC two- or three-phase power and adds short power boost; C12024 is the cost-effective choice for 100–240 VAC single-phase cabinets.
Can the S8VK-T12024 run on 208 or 230 VAC?
No. The lowest allowed AC input is 320 VAC for three-phase use and 340 VAC for two-phase use, so 208 or 230 VAC is outside the published range. Choose a single-phase S8VK-C12024 or S8VK-G12024 instead for a 100–240 VAC feed.
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