Omron S8VK-C Series Modules — S8VK-C48024

Technical Dossier

Product Details And Specifications

Omron S8VK-C Series: Comprehensive Module Range and Technical Overview

The Omron S8VK-C series represents one of the most widely deployed families of DIN-rail-mounted switch mode power supplies (SMPS) in global heavy industry. Installed across chemical processing plants, nuclear facility auxiliary systems, petroleum refining infrastructure, and continuous-process manufacturing lines, the S8VK-C range is engineered to deliver regulated DC output under sustained industrial load conditions. Its compact form factor, wide input voltage tolerance (100–240 VAC, 50/60 Hz), and compliance with international safety standards (UL 508, EN 60950-1, CE) have made it a default specification in control panel builds across Asia-Pacific, Europe, and North America. The series covers output power ratings from 15 W to 480 W, with output voltages of 12 VDC and 24 VDC, addressing the full spectrum of PLC, sensor, and field device power requirements in both greenfield and brownfield installations.

The Evolution of S8VK-C Architecture

The S8VK-C series was introduced as a successor to Omron's earlier S82K and S8VS families, consolidating the product line around a unified mechanical footprint and standardized terminal layout. Early-generation Omron SMPS units (S82K series, circa late 1990s) used analog control ICs with limited input range and no integrated output voltage adjustment. The S8VS series (mid-2000s) introduced wider input tolerance and improved efficiency ratings approaching 86%, but retained a larger DIN-rail width profile.

The S8VK-C architecture (introduced circa 2015) addressed three key engineering constraints: (1) reduced DIN-rail width to 45 mm for the 240 W class, enabling higher panel density; (2) improved efficiency to 89–91% across the load range, reducing thermal management requirements; (3) integrated output voltage trimming (+10%/−10%) via front-panel potentiometer, eliminating the need for external regulators in battery float charging applications. The series maintains backward terminal compatibility with S8VS in most configurations, simplifying retrofit projects. Units produced after 2018 carry updated EMC filtering to comply with EN 55032 Class B, relevant for installations adjacent to sensitive instrumentation. As of 2024, the S8VK-C series is in mature production phase; Omron continues to manufacture and support the full range, with no announced end-of-life dates, though procurement lead times for high-wattage variants (360 W, 480 W) have extended in post-2022 supply chain conditions.

S8VK-C Full Catalog & Functionalities (SKU List)

The following SKUs represent the verified production range of the Omron S8VK-C series, classified by output power and voltage:

12 VDC Output Models

• S8VK-C06012: 60 W / 12 VDC / 5 A — compact single-phase input, 45 mm DIN width, sensor power applications
• S8VK-C12012: 120 W / 12 VDC / 10 A — mid-range output for mixed sensor and relay panel loads
• S8VK-C24012: 240 W / 12 VDC / 20 A — high-current 12 V rail for distributed I/O and actuator panels

24 VDC Output Models

• S8VK-C01524: 15 W / 24 VDC / 0.65 A — minimal footprint, single sensor loop or signal converter supply
• S8VK-C03024: 30 W / 24 VDC / 1.3 A — low-density I/O rack auxiliary power, HMI backlight supply
• S8VK-C06024: 60 W / 24 VDC / 2.5 A — standard PLC CPU and communications module power rail
• S8VK-C12024: 120 W / 24 VDC / 5 A — mid-range panel supply for Omron CJ2 / NX1 series PLC racks
• S8VK-C24024: 240 W / 24 VDC / 10 A — primary bus supply for large I/O panels and servo drive 24 V logic rails
• S8VK-C48024: 480 W / 24 VDC / 20 A — highest-output model in the series; redundancy-capable via parallel operation with S8VK-WA08024 ORing unit; used in high-availability control panels for continuous-process industries
• S8VK-C36024: 360 W / 24 VDC / 15 A — intermediate high-power variant for large distributed control system (DCS) marshalling panels

Redundancy & Accessories

• S8VK-WA08024: 24 VDC ORing / redundancy module — enables N+1 parallel operation of two S8VK-C units without output voltage conflict
• S8VK-WB02024: 24 VDC buffer module — provides ride-through power during brief AC input interruptions, compatible with S8VK-C24024 and S8VK-C48024
• S8VK-WA04024: 24 VDC ORing module, 40 A rated — for higher-current redundant configurations

Earlier Generation Cross-Reference (S8VS / S82K)

• S8VS-06024: 60 W / 24 VDC predecessor; direct functional replacement by S8VK-C06024
• S8VS-12024: 120 W / 24 VDC predecessor; replaced by S8VK-C12024
• S8VS-24024: 240 W / 24 VDC predecessor; replaced by S8VK-C24024
• S82K-00724: 7.5 W / 24 VDC legacy unit; no direct S8VK-C equivalent at this wattage — S8VK-C01524 is the nearest current replacement

Sourcing Hard-to-Find & Obsolete S8VK-C Parts

DriveKNMS maintains dedicated stock of both current-production and end-of-life Omron power supply modules. For the S8VK-C series, this includes high-wattage variants (S8VK-C36024, S8VK-C48024) that carry extended lead times from standard distribution channels, as well as predecessor S8VS and S82K units required for panel repairs where form-factor compatibility is mandatory and re-engineering is not feasible.

All units sourced by DriveKNMS are subject to provenance verification. Counterfeit and grey-market Omron power supplies are a documented risk in the aftermarket; DriveKNMS applies serial number cross-referencing against Omron's production records where accessible, and rejects units with inconsistent label printing, non-standard terminal markings, or anomalous weight profiles indicative of non-OEM internal construction.

Quality Control for the S8VK-C Range

Each S8VK-C unit processed by DriveKNMS undergoes a structured functional verification protocol prior to dispatch:

• Input voltage sweep test: Unit is energized across the full rated input range (85–264 VAC) to verify regulation stability and inrush current limiting function.
• Output load regulation test: Output is loaded from 10% to 100% of rated current in stepped increments; output voltage deviation must remain within ±1% of nominal across the load range.
• Output voltage trim verification: Front-panel potentiometer is exercised across its full adjustment range; output response is logged.
• Ripple and noise measurement: Output ripple is measured at full load using a 20 MHz bandwidth-limited oscilloscope; must comply with Omron's published specification (≤120 mVp-p for 24 VDC models).
• Thermal soak: Unit operates at 80% rated load for 30 minutes in a controlled ambient of 40°C; output voltage and case temperature are monitored continuously.
• Protection function test: Overcurrent and short-circuit protection are verified by applying a controlled output short; unit must enter protection mode and recover upon fault clearance without manual reset (auto-restart models) or require manual reset (manual-restart models) per specification.
• Label and serial number audit: Physical markings are cross-checked against Omron's label format standards for the production year indicated by the serial number prefix.