AC-DC DIN Rail Power Supply - MDR-20-12

Product Overview

The MDR-20-12 is a reliable and compact DIN rail power supply designed for industrial applications. With a wide input range of 85 to 264Vac and 120 to 370Vdc, this power supply is versatile enough to meet the needs of various electrical systems. It delivers a stable 12Vdc output with a maximum current of 1.67A, ensuring consistent performance across different loads.

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 full input range from 85 to 264Vac and 120 to 370Vdc.
• Output Voltage: 12Vdc with a maximum current output of 1.67A.
• Compact Design: Easily installable on DIN rail TS-35/7.5 or 15.
• Energy Efficient: With an efficiency rate of 80%, this power supply minimizes energy loss.
• Overload and Over Voltage Protection: Built-in protections safeguard against short circuits, overload, and over-voltage conditions, ensuring long-term reliability.
• Cooling: Efficient cooling through free air convection without the need for additional fans.
• LED Indicator: Features a power-on LED indicator for quick status checks.
• Low No-Load Power Consumption: Consumes less than 0.75W when idle, promoting energy savings.
• Durability: Designed to withstand a wide range of temperatures, from -20°C to +70°C, and built to handle industrial environments.
• Compliance and Safety: Meets UL508, TUV EN60950-1 standards, and NEC class 2 / LPS compliant for assured safety and performance.
• DC OK Active Signal: Built-in signal functionality to monitor output status.
• Vibration Resistant: Capable of withstanding mechanical vibrations as per IEC60068-2-6 standards.

Protection Mechanisms

The MDR-20-12 is equipped with multiple protection mechanisms to ensure the safety and longevity of the power supply:

• Overload Protection: Automatically limits current to prevent damage during overload conditions.
• Over Voltage Protection: Shuts down the output voltage in case of excessive output, automatically resetting once normal conditions are restored.

These features make the MDR-20-12 a reliable choice for industrial applications where safety and stability are paramount.

Environmental and Safety Standards

This power supply complies with stringent environmental and safety regulations:

• Environmental Operating Range: Works efficiently in temperatures ranging from -20°C to +70°C with up to 90% relative humidity, non-condensing.
• EMC Compliance: Conforms to EN55011, EN55022 (CISPR22), and EN61204-3 Class B for EMI conduction and radiation, ensuring minimal electromagnetic interference.
• Safety Certifications: UL508, TUV EN60950-1 approved, and NEC class 2 / LPS compliant, confirming the product's adherence to industrial safety standards.

Installation and Operation

The MDR-20-12 is designed for easy installation on standard DIN rails. Its compact dimensions and lightweight construction allow for straightforward integration into existing systems. The built-in LED indicator provides immediate feedback on power status, while the low no-load power consumption ensures that energy is conserved when the unit is not under load.

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