OMRON S82K-03024 – Compact Switch Mode Power Supply | S82K Series
Engineering Background
The OMRON S82K series represents OMRON’s proven line of compact, high-efficiency switch mode power supplies engineered for demanding industrial control environments. Designed to meet IEC/EN 60950-1 and UL 508 standards, the S82K-03024 delivers stable 24 VDC output in a slim DIN rail form factor — making it the preferred choice for panel builders and system integrators worldwide.
Product Positioning
The S82K-03024 is purpose-built for space-constrained control panels requiring reliable 24 VDC auxiliary power for PLCs, sensors, solenoid valves, and HMI peripherals. Its universal AC input range (100–240 VAC) eliminates the need for separate voltage-selection switching, simplifying global deployment across multi-region facilities.
Complete Technical Specifications
- Model: S82K-03024
- Manufacturer: OMRON Corporation
- Series: S82K
- Output Voltage: 24 VDC (adjustable ±10%)
- Output Current: 1.3 A (max)
- Output Power: 30 W
- Input Voltage: 100–240 VAC, 50/60 Hz (universal)
- Input Current: 0.8 A @ 100 VAC / 0.4 A @ 240 VAC
- Efficiency: ≥ 82%
- Ripple & Noise: ≤ 150 mVp-p
- Hold-up Time: ≥ 20 ms @ 100 VAC full load
- Inrush Current: ≤ 30 A @ 230 VAC cold start
- Overload Protection: 105–150% rated output (auto-recovery)
- Overvoltage Protection: 27.6–33.6 VDC (latch-off)
- Short-Circuit Protection: Constant current limiting, auto-recovery
- Operating Temperature: -10°C to +55°C (derating above 45°C)
- Storage Temperature: -20°C to +70°C
- Humidity: 25–85% RH (non-condensing)
- Mounting: DIN rail (35 mm EN 60715) or surface mount
- Dimensions (W×H×D): 40 × 90 × 100 mm
- Weight: Approx. 350 g
- Cooling: Natural convection
- Isolation: Input–Output: 3,000 VAC; Input–FG: 1,500 VAC; Output–FG: 500 VAC
- Certifications: UL 508, CE (EN 60950-1), cULus, RCM
- IP Rating: IP20 (panel-mounted)
- MTBF: ≥ 300,000 hours @ 25°C full load
Proven Application Environments
- PLC auxiliary 24 VDC bus power (OMRON CJ/CS/NX series, Siemens S7, Mitsubishi Q/iQ-R)
- Sensor and transmitter power rails in process control panels
- Solenoid valve and relay coil energization in pneumatic/hydraulic systems
- HMI and operator panel backlight power supply
- Safety relay and light curtain auxiliary power
- Building automation and HVAC control panels
- Semiconductor and electronics manufacturing equipment
- Food & beverage processing lines (IP20 panel-enclosed installations)
Engineering Advantages
- Universal Input: 100–240 VAC auto-ranging — single SKU for global projects
- Compact Footprint: 40 mm width minimizes DIN rail real estate in tight panels
- High MTBF: ≥ 300,000 hours reduces unplanned downtime and maintenance cost
- Output Voltage Trimmer: ±10% adjustment accommodates cable voltage drop compensation
- Convection Cooling: No fan — zero mechanical wear, silent operation, suitable for clean-room environments
- Triple Protection: OLP + OVP + SCP with auto-recovery minimizes nuisance shutdowns
- Parallel Operation: Supports N+1 redundancy with optional diode module
System Architecture & Signal Flow
AC mains (L/N/PE) → EMI filter → Bridge rectifier → PFC stage → High-frequency switching transformer → Secondary rectification & filtering → Output regulation loop → DC output terminals (+V / -V / FG). The isolated topology ensures full galvanic separation between AC input and DC output bus, protecting downstream instrumentation from common-mode noise and ground loops common in industrial environments.
Sourcing & Quality Verification
- Origin: Genuine OMRON product, sourced through authorized industrial distribution channels
- Traceability: Each unit ships with original OMRON packaging, date code label, and CE/UL markings
- Inspection: 100% output voltage, load regulation, and protection function tested prior to dispatch
- Counterfeit Prevention: Holographic OMRON authenticity label verified; serial number cross-checked against OMRON factory records on request
- Shelf Life: Stored in climate-controlled warehouse; electrolytic capacitor aging risk minimized
Procurement Process
- Lead Time: In-stock units ship within 1–3 business days; ETA confirmed at order placement
- MOQ: 1 piece (sample orders welcome)
- Bulk Pricing: Tiered discounts available for qty ≥ 10 / 50 / 100 — contact sales for quote
- Documentation: Commercial invoice, packing list, and OMRON datasheet provided with every shipment
- Export Compliance: HS Code 8504.40 — standard industrial power supply, no export license required for most destinations
- Payment: T/T, PayPal, credit card, and trade assurance accepted
Technical FAQ
Q: Can the S82K-03024 be connected in parallel for higher current output?
A: Yes, with an external diode ORing module (e.g., OMRON S82V-DRT) to prevent reverse current. Maximum parallel units: 2 (2.6 A combined).
Q: What is the derating curve above 45°C?
A: Output current must be linearly derated from 1.3 A at 45°C to 0 A at 70°C. Do not operate above 55°C ambient without forced ventilation.
Q: Is the output voltage adjustable?
A: Yes. The front-panel trimmer allows ±10% adjustment (21.6–26.4 VDC) to compensate for wiring voltage drop.
Q: Does it meet UL 508 for industrial control panels?
A: Yes. The S82K-03024 carries cULus listing under UL 508, making it suitable for NEC-compliant industrial control panel installations in North America.
Q: What happens during a short circuit on the output?
A: The unit enters constant-current limiting mode and automatically recovers when the fault is cleared — no manual reset required.
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