AC-DC DIN Rail Power Supply - MDR-40-12

Product Overview

The MDR-40-12 is a highly reliable and efficient AC-DC DIN rail power supply designed for industrial applications. It offers a versatile input range from 85 to 264Vac or 120 to 370Vdc, making it suitable for various environments. The power supply delivers a stable 12Vdc output with a maximum current of 3.33A, providing consistent power to your equipment. Compact and easy to install, this unit is perfect for those requiring a dependable power solution for industrial control systems, machinery, and automation processes.

Please note that the product photo may not accurately represent the actual item. Always refer to the datasheet during installation to ensure proper setup and compliance with safety standards.

Key Features

• Universal AC Input: Supports a full range of input voltages from 85 to 264Vac or 120 to 370Vdc, ensuring compatibility with a variety of power sources.
• High Efficiency: Designed with an efficiency rating of 86%, minimizing energy loss and ensuring optimal performance.
• Reliable Protections: Includes comprehensive protection features such as short circuit, overload, and overvoltage protection, ensuring the safety and longevity of both the power supply and connected equipment.
• Compact Design: The unit's small form factor allows for easy installation on DIN rails TS-35/7.5 or 15, saving valuable space in control panels.
• Cooling: Efficiently cooled by free air convection, eliminating the need for additional cooling mechanisms.
• NEC Class 2/LPS Compliant: Meets safety standards for 12V, 24V, and 48V models, making it a secure choice for various applications.
• LED Indicator: Provides a clear visual indication when the power supply is operational, simplifying system monitoring.
• DC OK Relay Contact: Includes a relay contact for monitoring the output status, ensuring reliable communication with connected devices.
• Low No-Load Power Consumption: Consumes less than 0.75W when idle, promoting energy savings.
• Durability: Undergoes a 100% full load burn-in test, ensuring reliable performance even under maximum load conditions.
• Warranty: Backed by a 3-year warranty, offering peace of mind and long-term reliability.

Technical Specifications

The MDR-40-12 model is engineered to meet the demanding needs of industrial environments. It features robust specifications designed for reliability and performance.

Input Specifications:

• Voltage Range: 85 ~ 264Vac or 120 ~ 370Vdc
• Frequency Range: 47 ~ 63Hz
• AC Current (Typical): 1.1A at 115Vac; 0.7A at 230Vac
• Inrush Current: Cold start 30A at 115Vac; 60A at 230Vac
• Leakage Current: Less than 1mA at 240Vac

Output Specifications:

• DC Voltage: 12V
• Rated Current: 3.33A
• Current Range: 0 ~ 3.33A
• Rated Power: 40W
• Ripple & Noise (Max): 120mVp-p
• Voltage Adjustment Range: 12 ~ 15V
• Efficiency: 86%
• Overvoltage Protection: 15.6 ~ 18V

Environmental Conditions:

• Operating Temperature: -20 ~ +70°C (Refer to output load derating curve)
• Storage Temperature: -40 ~ +85°C
• Humidity: 20 ~ 90% RH non-condensing for operation; 10 ~ 95% RH for storage
• Vibration Resistance: Compliance with IEC60068-2-6, ensuring durability against mechanical vibrations.

Safety and EMC Compliance:

• Standards: UL508, UL60950-1 approved, NEC class 2/LPS compliant for 12V, 24V, 48V models
• Withstand Voltage:

• Input to Output: 3KVAC
• Input to FG: 1.5KVAC
• Output to FG: 0.5KVAC
• Isolation Resistance: Greater than 100M Ohms at 500VDC
• EMI Compliance: Meets EN55011, EN55022 (CISPR22), and EN61204-3 Class B standards

Applications

The MDR-40-12 is ideal for a range of industrial applications, including but not limited to:

• Automation Systems: Powering sensors, controllers, and other automation devices.

• Machinery: Providing reliable power to various types of industrial machinery.

• Control Panels: Compact design makes it an excellent choice for space-constrained control panels.

Communication Systems: Supporting the stable operation of communication equipment in industrial settings.

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