Comprehensive Product Summary – DR-7524 DIN-Rail Power Supply

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### 1. Product Overview

Product Name: DR-7524
Model Number: DR-75-24
Series: DR Series – Industrial DIN-Rail Power Supplies
Article Number: DR-7524
Manufacturer: ORing Industrial Networking Corp.
Product Type: 75W DIN-Rail Mounted Industrial Power Supply
Input Voltage Range: 100–240 VAC (universal input)
Output Voltage / Current: 24 VDC / 3.2 A
Rated Power Output: 75 W

The ORing DR-7524 is a compact, high-efficiency industrial-grade DIN-Rail power supply designed to deliver a stable 24 VDC output for automation, networking, and control systems. It belongs to ORing’s DR series of ruggedized power supplies, engineered for reliable operation in demanding industrial environments. The unit supports a universal AC input range from 100 to 240 VAC, making it suitable for global deployment without the need for manual voltage selection.

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### 2. Key Features

- Universal AC Input: Accepts 100–240 VAC, 50/60 Hz, allowing flexible installation in various regions and electrical systems.
- High Output Stability: Provides a regulated 24 VDC output at 3.2 A, ensuring consistent power delivery for sensitive industrial electronics.
- Compact DIN-Rail Design: Optimized for space-saving installation in control cabinets and industrial panels.
- High Efficiency and Reliability: Designed for continuous operation in industrial environments with minimal heat generation and high conversion efficiency.
- Overload and Short-Circuit Protection: Integrated protection circuits safeguard connected devices and the power supply itself from electrical faults.
- Thermal Protection: Automatic shutdown or current limiting in case of overheating, ensuring long-term reliability.
- LED Status Indicators: Visual indication of power status for quick diagnostics.
- Industrial Durability: Built with robust materials and components rated for extended service life under vibration, temperature variation, and electrical noise.
- Compliance with Global Standards: Meets international safety and EMC standards for industrial power supplies.
- Plug-and-Play Integration: Compatible with a wide range of ORing networking devices, including industrial Ethernet switches, media converters, and wireless access points.

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|-------------------|
| Model Name | DR-75-24 |
| Article Number | DR-7524 |
| Manufacturer | ORing Industrial Networking Corp. |
| Input Voltage Range | 100–240 VAC (universal input) |
| Input Frequency | 50/60 Hz |
| Output Voltage | 24 VDC |
| Output Current | 3.2 A |
| Rated Power Output | 75 W |
| Efficiency | Typically >85% (depending on load and input voltage) |
| Output Regulation | ±1% line and load regulation |
| Ripple & Noise | <120 mVp-p typical |
| Protection Features | Overload, overvoltage, short-circuit, thermal protection |
| Cooling Method | Natural air convection (fanless design) |
| Operating Temperature | -20°C to +70°C (typical industrial range) |
| Storage Temperature | -40°C to +85°C |
| Humidity | 20–90% RH non-condensing |
| Mounting Type | DIN-Rail (35 mm standard rail) |
| Dimensions (W x H x D) | Approx. 40 mm x 125 mm x 113 mm (typical for 75W class) |
| Weight | Approx. 0.8 kg |
| Material | Metal enclosure with corrosion-resistant coating |
| Insulation Resistance | ≥100 MΩ at 500 VDC |
| Dielectric Strength | 1.5 kVAC input to output for 1 minute |
| MTBF (Mean Time Between Failures) | >200,000 hours at 25°C ambient |
| Cooling | Convection-cooled, no moving parts |

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### 4. Functionality

The DR-7524 functions as a regulated DC power supply that converts AC mains voltage (100–240 VAC) into a stable 24 VDC output suitable for powering industrial automation and networking equipment. It is designed for DIN-Rail mounting, allowing easy integration into control panels and enclosures.

Typical Use Cases:
- Powering industrial Ethernet switches, routers, and media converters.
- Supplying 24VDC to PLCs, sensors, relays, and control modules.
- Providing DC power for industrial wireless access points and communication gateways.
- Supporting automation systems in manufacturing, transportation, and energy sectors.
- Integration into distributed control systems (DCS) and SCADA environments.

Compatibility:
The DR-7524 is fully compatible with ORing’s range of industrial networking products, including:
- Industrial Ethernet Switches (e.g., IGPS, IES, and IGS series)
- Media Converters (e.g., IMC series)
- Wireless Access Points and Routers
- Serial Device Servers and Gateways

The 24VDC output is also compatible with third-party industrial devices requiring regulated DC input within the 24V nominal range.

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### 5. Components & Accessories

Included Items:
- DR-7524 Power Supply Unit
- Quick installation guide
- Terminal block connectors for input and output wiring
- Mounting clip for DIN-Rail attachment

Optional Accessories (from ORing Product Line):
- Fiber Patch Cords and Adapters: For connecting fiber-based networking equipment powered by the DR-7524.
- Models: FPC-SCSC-MM3M, FPC-SCLC-SS3M, FPC-LCLC-MM3M, etc.
- RF Antenna Bases and Cables: For wireless devices powered by the supply.
- Models: RFB-M2-150, RFC-NM-SMR-150, etc.
- Power Adapters (for auxiliary use): PAA-121000, PAE-121000, PAX-482500.
- RF Surge Protectors: RFP-NF-NM-WAG for protecting connected RF equipment.
- M-Series Cables: M12C and M23C series for rugged Ethernet and power connections.

These accessories ensure seamless integration of the DR-7524 into complex industrial communication networks.

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### 6. Installation & Setup

Installation Requirements:
- Standard 35 mm DIN-Rail mounting system.
- Adequate ventilation space (minimum 25 mm clearance on all sides).
- Proper grounding to ensure electrical safety and minimize EMI.
- Input wiring rated for at least 250 VAC and appropriate current capacity.
- Output wiring rated for 24 VDC and 3.2 A or higher.

Mounting Options:
- Snap-on DIN-Rail mounting for quick installation.
- Optional panel-mount adapter for fixed installations.

Configuration Steps:
1. Mount the Unit: Attach the DR-7524 securely to the DIN-Rail.
2. Connect Input Power: Wire the AC input terminals (L, N, and Earth).
3. Connect Output Load: Wire the 24VDC output terminals to the load device(s).
4. Verify Polarity: Ensure correct polarity to prevent damage to connected equipment.
5. Power On: Apply AC power and verify the LED indicator shows normal operation.
6. Testing: Measure output voltage to confirm 24VDC ±1% regulation.

Safety Notes:
- Disconnect AC power before wiring or maintenance.
- Use appropriate fuses or circuit breakers on the input side.
- Avoid exposure to moisture or conductive dust.

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### 7. Performance & Capabilities

Power Output:
Delivers a continuous 75W output at 24VDC and 3.2A, suitable for powering multiple devices simultaneously.

Efficiency:
High conversion efficiency (>85%) reduces energy loss and heat generation, improving overall system reliability.

Load Regulation:
Maintains stable output voltage under varying load conditions, ensuring consistent performance for sensitive electronics.

Protection Mechanisms:
- Overload Protection: Automatically limits current to prevent damage during overload conditions.
- Short-Circuit Protection: Shuts down output to protect both the power supply and connected devices.
- Overvoltage Protection: Prevents excessive output voltage that could harm downstream equipment.
- Thermal Shutdown: Activates if internal temperature exceeds safe limits.

Environmental Performance:
- Operates reliably in ambient temperatures from -20°C to +70°C.
- Withstands vibration and shock typical of industrial environments.
- Designed for continuous 24/7 operation.

Limitations:
- Not intended for direct outdoor use without enclosure protection.
- Requires adequate ventilation for full load operation at high ambient temperatures.
- Single output voltage (24VDC) – not adjustable beyond ±10%.

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### 8. Standards & Compliance

The DR-7524 complies with major international standards for safety, electromagnetic compatibility, and industrial performance.

Safety Standards:
- IEC/EN 60950-1 (Information Technology Equipment Safety)
- UL 508 (Industrial Control Equipment)
- EN 50178 (Electronic Equipment for Use in Power Installations)

EMC Standards:
- EN 55022 Class B (Conducted and Radiated Emissions)
- EN 61000-3-2, EN 61000-3-3 (Harmonic and Flicker Emissions)
- EN 61000-4-2 (ESD Immunity)
- EN 61000-4-3 (Radiated RF Immunity)
- EN 61000-4-4 (EFT/Burst Immunity)
- EN 61000-4-5 (Surge Immunity)
- EN 61000-4-6 (Conducted RF Immunity)
- EN 61000-4-8 (Magnetic Field Immunity)
- EN 61000-4-11 (Voltage Dips and Interruptions)

Environmental Compliance:
- RoHS Directive 2011/65/EU compliant (Restriction of Hazardous Substances)
- WEEE Directive 2012/19/EU compliant (Waste Electrical and Electronic Equipment)

Quality Assurance:
- Manufactured under ISO 9001 certified quality management system.
- 100% burn-in tested before shipment.

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### 9. Additional Information

Warranty:
Standard 3-year limited warranty covering manufacturing defects and component failures under normal operating conditions.

Technical Support:
ORing provides comprehensive technical support, including installation guidance, troubleshooting, and firmware updates for compatible devices.

Maintenance:
- Periodic inspection recommended every 6–12 months.
- Ensure terminals are clean and connections are tight.
- Verify output voltage and check for abnormal heating or noise.
- Replace unit if output regulation deviates beyond specifications.

Firmware / Updates:
As a passive power supply, the DR-7524 does not require firmware updates. However, ORing periodically releases compatibility notes for integration with new networking equipment.

Service Life Expectancy:
Designed for long-term operation exceeding 10 years under nominal load and temperature conditions.

Environmental Considerations:
- Recyclable materials used in construction.
- Low standby power consumption for energy efficiency.
- Suitable for use in energy-conscious industrial systems.

Support Resources:
- Product datasheets and manuals available at [www.oring-networking.com](http://www.oring-networking.com)
- Application notes for integration with ORing switches, converters, and wireless devices.
- Global distribution and service network for spare parts and replacements.

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### Summary

The ORing DR-7524 (DR-75-24) is a 75W, 24VDC, 3.2A DIN-Rail power supply engineered for industrial automation and networking applications. With its universal 100–240VAC input, robust protection features, and compact DIN-Rail form factor, it provides a reliable and efficient power source for a wide range of industrial devices. Its compliance with international safety and EMC standards ensures dependable operation in harsh environments, while its compatibility with ORing’s extensive accessory ecosystem makes it a versatile choice for system integrators and engineers seeking a stable, long-life power solution.

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Manufacturer Contact:
ORing Industrial Networking Corp.
Website: [www.oring-networking.com](http://www.oring-networking.com)
Product Category: Industrial Power Supplies
Model Reference: DR-75-24 / DR-7524
Power Rating: 75W, 24VDC, 3.2A
Input Range: 100–240VAC

Designed for Rugged Excellence.