Omron S8VK-G12024 — DIN-Rail PSU, 120 W, 24 VDC, 5 A
SKU: S8VK-G12024USD 45.00
120 W DIN-rail switch-mode power supply, 24 VDC 5 A output (6 A power boost), 100-240 VAC universal input, 89 % efficiency, parallel up to 2 with redundancy LED, 5-year warranty, spring-clamp terminals, -40 to +70 °C.
1-Year Warranty
Full manufacturer warranty
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Product Overview
The S8VK-G12024 is the 120 W tier of Omron's S8VK-G family of premium DIN-rail switch-mode power supplies — the right pick for control cabinets where the 60 W S8VK-G06024 isn't enough headroom but the 240 W S8VK-G24024 is overkill. It delivers a regulated 24 VDC output at 5 A continuous, with a 120 % power-boost capability (6 A for 5 s) for inrush loads like motor contactors, valve solenoids, and capacitor banks that exceed the steady-state rating during cold-start. The 100 to 240 VAC universal input also accepts 90 to 350 VDC, so the same SKU can be powered from a battery-backed DC bus without re-specifying the supply.
Where the S8VK-G12024 sits in the S8VK-G family
The S8VK-G family ranges from 15 W to 480 W in 5 V, 12 V, 24 V, and 48 V outputs. The S8VK-G12024 (this SKU) sits in the middle of the 24 V branch: S8VK-G01524 (15 W, 0.65 A), S8VK-G03024 (30 W, 1.3 A), S8VK-G06024 (60 W, 2.5 A), S8VK-G12024 (120 W, 5 A — this SKU), S8VK-G24024 (240 W, 10 A), S8VK-G48024 (480 W, 20 A). Pick this SKU when the load requires more than the S8VK-G06024's 2.5 A (e.g.
Parallel redundancy with the S8VK-R or second S8VK-G12024
The S8VK-G12024 supports parallel operation up to 2 supplies for redundancy on critical-load systems (life-safety PLCs, medical-device controllers, fire-alarm panels, redundant communication switches). When two S8VK-G12024 supplies are wired in parallel with their outputs tied together through a Schottky diode (or via the dedicated S8VK-R redundancy / decoupling module), the supply with the higher output voltage carries the full load; the redundant unit takes over only when the primary fails.
Spring-clamp wiring, terminal layout, and installation pitfalls
All S8VK-G-series supplies use spring-clamp (push-in) terminals instead of screw terminals. Insert a flat-blade screwdriver (3.0 mm wide, max) into the orange rectangular slot above the terminal, push to open the cage clamp, insert the stripped conductor (10 mm strip length, 0.5 to 4 mm² / AWG 20 to 12), and release — the conductor is held by spring tension at ~10 N contact force.
Key Features
- 120 W continuous output power
- 120 % power-boost capability
- Universal input: 100 to 240 VAC or 90 to 350 VDC
- 89 % efficiency at full load
- 5-year warranty
- Spring-clamp terminals — fast wiring, vibration-resistant
- Parallel operation up to 2 supplies for redundancy
- Series operation possible with external blocking diode
- SKU: S8VK-G12024
- Series: S8VK-G Premium DIN-Rail Power Supplies
- Voltage: 24 VDC
- I/O: 24 I/O
Best-Fit Applications
- Control-cabinet primary 24 VDC supply for a packaging machine — S8VK-G12024 powering an NX-ECC202 EtherCAT coupler, 5 × NX-OD4256 outputs.
- Redundant-power supply for a process-critical PLC — two S8VK-G12024 supplies wired in parallel via S8VK-R10 module, providing N+1 redundancy without.
- Power source for a clean-room assembly cell — low-noise 24 VDC with EN 55011 Class B EMC compliance for sensitive.
- Outdoor cabinet power supply — -40 °C cold-start capability for unheated roadside cabinets with derating curve matched to the cabinet's.
Buying Checklist
- Pick S8VK-G12024 for 120 W 24 VDC with 5-year warranty, parallel-redundancy LED, spring-clamp terminals, and -40 to +70 °C operating range
- Pick S8VK-G06024 for 60 W 24 VDC 2.5 A
- Pick S8VK-G24024 for 240 W 24 VDC 10 A
- Pick S8VK-C12024 for the 120 W 24 VDC economy version
- Pick S8VS-12024 for the 120 W legacy version
- Pick S8VK-R10 redundancy module when wiring 2 S8VK-G12024 supplies in parallel for N+1 redundancy on critical loads
Technical Specifications
| Model | S8VK-G12024 |
|---|---|
| Series | S8VK-G Premium DIN-Rail Power Supplies |
| Type | Single-phase 100-240 VAC / 90-350 VDC input, 24 VDC output |
| Power Rating | 120 W continuous |
| Output Voltage | 24 VDC (adjustable 24-27.5 VDC via front-panel trimmer) |
| Rated Output Current | 5 A continuous |
| Power Boost | 120 % of rated (6 A) for 5 s on cold start |
| Input Voltage Range | 100 to 240 VAC, 50/60 Hz; 90 to 350 VDC |
| Input Frequency | 47 to 63 Hz |
| Inrush Current | 20 A max (cold start at 230 VAC) |
| Leakage Current | 0.5 mA max at 230 VAC |
| Overvoltage Protection | Yes, latch-off (restart on input reapplication) |
| Overtemperature Protection | Yes, auto-recovery |
| Series Operation | Possible up to 2 supplies with external blocking diode |
| Wire Range | 0.5 to 4 mm² (AWG 20 to 12), solid or stranded with ferrule |
Resources & Downloads
FAQ for S8VK-G12024
What's the difference between S8VK-G12024 and S8VK-C12024?
Both are 120 W 24 VDC DIN-rail supplies. The S8VK-G12024 (this SKU) is the premium tier: 5-year warranty, spring-clamp terminals, parallel-redundancy LED for N+1 operation, -40 to +70 °C operating range, Lloyd's Register marine approval. The S8VK-C12024 is the economy tier: 3-year warranty, screw terminals, no parallel-balance LED, -25 to +65 °C operating range, no Lloyd's approval.
Can two S8VK-G12024 supplies be wired in parallel for redundancy?
Yes — the S8VK-G12024 supports parallel operation up to 2 units for N+1 redundancy on critical loads. Wire the +V outputs of both supplies to a common bus through an external decoupling module (Omron S8VK-R10 redundancy module or equivalent Schottky diode pair) to prevent reverse-current damage if one supply fails.
What does the 120 % power boost mean on the S8VK-G12024?
The 120 % power boost (6 A) is a 5-second current limit that allows the S8VK-G12024 to deliver up to 6 A on cold-start (input power applied with discharged load capacitors) and on motor-inrush events, before settling back to the 5 A continuous rating.
Why does the S8VK-G12024 have spring-clamp terminals instead of screw terminals?
Spring-clamp (push-in) terminals offer three advantages over screw terminals: (1) faster wiring — push a ferrule-crimped conductor into the terminal and release, no torque-wrench verification needed (vs 5-10 s per terminal for screw tightening); (2) vibration resistance — the spring tension (~10 N contact force) holds the conductor firmly under mechanical shock up to 10 G, vs screw terminals which can loosen over time and require re-torquing; (3) corrosion resistance — the spring contact area is hermetically sealed against atmospheric.
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