OMRON S82K Series Power Supply Modules S82K-03024

Technical Dossier

Product Details And Specifications

OMRON S82K Series Technical Notes

The OMRON S82K series is a line of compact, DIN-rail-mountable switching power supply units engineered for continuous-duty industrial environments. Deployed across chemical processing plants, petroleum refineries, nuclear facility auxiliary systems, and heavy manufacturing lines globally, the S82K series occupies a critical position in 24 VDC and 12 VDC control panel infrastructure. Its compact form factor, wide input voltage tolerance (85–264 VAC universal input on most models), and UL/CE/cUL certification make it a default specification in panel builds across North America, Europe, and Asia-Pacific. The series interfaces directly with OMRON CJ-series, CS-series, and CP-series PLCs as well as third-party DCS marshalling cabinets, functioning as the primary regulated DC bus for I/O modules, relay drivers, and HMI backplanes.

The Evolution of S82K Architecture

The S82K series was introduced as a successor to OMRON's earlier S82 and S82J families, consolidating output wattage tiers into a rationalized product line spanning 3 W to 120 W. Early S82K variants (pre-2005) used analog PWM controllers with discrete component topologies, limiting hold-up time and efficiency to approximately 75–80%. Mid-generation revisions introduced synchronous rectification and improved EMI filtering to meet EN 55022 Class B requirements without external line filters — a significant integration advantage for space-constrained panels.

S82K Full Catalog & Functionalities (SKU List)

The following SKUs represent the verified production range of the OMRON S82K series, classified by output wattage and voltage:

S82K-00305: 3 W, 5 VDC/0.6 A output, ultra-compact single-output PSU for low-power sensor loops.
S82K-00312: 3 W, 12 VDC/0.25 A output, DIN-rail mount, for relay coil and signal conditioning circuits.
S82K-00324: 3 W, 24 VDC/0.13 A output, minimal footprint auxiliary supply for discrete I/O bias.
S82K-01505: 15 W, 5 VDC/3 A output, single-output, suitable for logic board and encoder power.
S82K-01512: 15 W, 12 VDC/1.3 A output, single-output, standard panel auxiliary rail supply.
S82K-01524: 15 W, 24 VDC/0.65 A output, single-output, common in OMRON CJ1 I/O expansion panels.
S82K-03005: 30 W, 5 VDC/6 A output, higher-current 5 V bus for multi-board logic systems.
S82K-03012: 30 W, 12 VDC/2.5 A output, single-output, used in motor drive auxiliary circuits.
S82K-03024: 30 W, 24 VDC/1.3 A output, DIN-rail, universal AC input, standard 24 V control bus supply — the most widely deployed model in the S82K range.
S82K-05024: 50 W, 24 VDC/2.1 A output, higher-capacity 24 V supply for larger I/O marshalling panels.
S82K-07524: 75 W, 24 VDC/3.2 A output, suitable for distributed I/O nodes with high channel density.
S82K-10024: 100 W, 24 VDC/4.2 A output, high-capacity single-output for large relay panels and solenoid valve banks.
S82K-12024: 120 W, 24 VDC/5 A output, maximum wattage in the S82K range, used in main control panel 24 V bus applications.
S82K-01548: 15 W, 48 VDC/0.32 A output, for telecom-grade relay and SCADA RTU auxiliary power.
S82K-03048: 30 W, 48 VDC/0.65 A output, 48 V bus supply for communication equipment in industrial enclosures.

Sourcing Hard-to-Find & Obsolete S82K Parts

For S82K models with confirmed production discontinuation — including the S82K-00305, S82K-01548, and S82K-03048 — DriveKNMS provides lifecycle extension support including cross-reference analysis to compatible S8VK-series replacements where direct substitution is feasible, and original S82K units where form-fit-function equivalence is required by site maintenance standards. All sourced units are accompanied by full traceability documentation.