MDR-20-12

Product Description

Home > Products > Power Supplies > Mean Well > MDR-20-12 Need Mean Well MDR-20-12? Power Supply for Industrial control systems, automation panels, building automation. Supplied with full traceability and. Contact... Price & Availability Classified as a power supply, it is positioned as a direct replacement and service part for existing installations. It is intended for use within Industrial control systems, automation panels, building automation, where dependable operation and a precise fit are essential to keeping the plant running. Listed as Active, it is offered as a maintained and verified spare that supports the continued operation of the installed base. Key technical specifications include: The Input Voltage is 85-264 V AC. Its Input Current is rated at 1.67 A. For reference, the Frequency is 50/60Hz. The Output Voltage is 12V DC. Its Output Current is rated at 1.67A. For reference, the Output Power is 20 W. The Efficiency is 80%+. Its Operating Temperature is rated at -20 to +70 degC. For reference, the Storage Temperature is -40 degC to +85 degC. The Humidity is 20-90% RH (non-condensing). Its Dimensions (W x H x D) is rated at 22.5 x 90 x 100 mm. For reference, the Weight is 170 g. Notable features of this unit: Universal AC input range (100-240V AC) for global compatibility. Compact DIN rail mount design saves panel space. Protected against short circuit, overload, and overvoltage. High efficiency and low power consumption. LED indicator for power status. Typical applications include Industrial automation and control systems, Building automation (HVAC, lighting control), Process control equipment, Telecommunication systems, Test and measurement instruments. It is compatible with or cross-references Mean Well MDR-20-24 Power Supply, Mean Well MDR-20-5 Power Supply, Mean Well MDR-40-12 Power Supply, DIN rail mounting accessories, Industrial control panels. Equivalent / cross-reference designation: MDR-20-24, MDR-20-5, MDR-40-12. Within industrial automation and process-control environments, components of this type are relied upon to keep critical equipment operating safely and efficiently. They are typically specified where uptime, repeatability and a predictable maintenance cycle matter more than upfront cost. A power supply such as this one forms part of a larger machine or system, so correct identification and fitment directly affect the performance and safety of the whole installation. Mean Well parts are widely used across power generation, manufacturing, oil and gas, water and process industries, where engineering teams standardise on proven series to simplify spares planning. When selecting a replacement, confirm the exact model designation and verify that the mechanical and electrical interface matches the unit currently installed. Cross-checking the order code, mounting style and connection type against the existing device helps avoid compatibility issues and unplanned downtime during a maintenance window. Where several variants exist, the suffix often defines voltage, range or firmware, so it should be matched precisely rather than approximated. This item is offered from our active stock of current and discontinued industrial parts. Each listing is verified against the manufacturer designation before shipment so you receive the correct part for your application. Availability and lead time vary by item; our team can confirm the fastest option for your required quantity and provide a formal quotation on request. Common questions: Regarding "What is the input voltage range for the Mean Well MDR-20-12": The input voltage range is 100-240V AC, making it suitable for use in various countries with different mains voltages. Regarding "Can the MDR-20-12 be used in a DIN rail system": Yes, the MDR-20-12 is specifically designed for DIN rail mounting, allowing easy installation in industrial control panels. Please contact us to confirm current pricing, availability and delivery for your required quantity; volume and project pricing are available on request. The Mean Well MDR-20-12 is a power supply. Basic Product Information Compact DIN rail mount design saves panel space Protected against short circuit, overload, and overvoltage High efficiency and low power consumption LED indicator for power status Complies with UL, CE, and other international safety standards Universal AC input range (100-240V AC) for global compatibility Technical Specifications Version & Model Difference The MDR-20 series includes models with different output voltages: MDR-20-5 (5V), MDR-20-12 (12V), and MDR-20-24 (24V). The MDR-20-12 is specifically designed for 12V DC applications. There are no significant regional version differences; the product is globally available with universal input voltage. Application Scenarios Industrial automation and control systems Building automation (HVAC, lighting control) Process control equipment Telecommunication systems Test and measurement instruments Can the MDR-20-12 be used in a DIN rail system? Yes, the MDR-20-12 is specifically designed for DIN rail mounting, allowing easy installation in industrial control panels. What protections does the MDR-20-12 offer? It provides protection against short circuits, overloads, and overvoltage, ensuring safe and reliable operation. Is the MDR-20-12 compliant with international standards? Yes, it is UL, CE, and RoHS certified, meeting international safety and environmental requirements. What is the input voltage range for the Mean Well MDR-20-12? The input voltage range is 100-240V AC, making it suitable for use in various countries with different mains voltages. Mean Well NES-100-24 Power Supply (24V 4.5A 100W) Meanwell S-600 24 24V 25A LRS-350W Industrial Switching Power Supply Mean Well QYL-1000-15 Power Supply Mean Well 1DRT-24 DIN-Rail Switch Mode Power Supply (24 V) Mean Well WDR-240-24 DIN-Rail Power Supply MEAN WELL NDR-480-24 DIN Rail Power Supply 480W 24V MEAN WELL NDR-240-24 DIN Rail Power Supply 240W 24V MEAN WELL EDR-120-24 Slim DIN Rail Power Supply 120W 24V