Mean Well MDR-20-12 | 12V 20W DIN Rail Switching Power Supply
Mean Well MDR-20-12 DIN rail power supply. 12V DC output, 1.67A rated current, 85-264V AC universal input. UL 508, EN 62368-1 certified.
Product Overview
The Mean Well MDR-20-12 is a compact 20W DIN rail mounted switching power supply designed for industrial control panel applications. It provides a regulated 12V DC output at up to 1.67A from a universal 85-264V AC input range. This unit features a plastic housing, built-in DC OK signal, and complies with key industrial safety standards including UL 508 and EN 62368-1.
Technical Specifications (Electrical)
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Parameter
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Specification
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Output Voltage
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12 V DC
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Rated Output Current
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1.67 A
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Rated Power
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20 W
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Voltage Adjustment Range
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10.8 ~ 13.2 V DC
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Input Voltage Range
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85 ~ 264 V AC (47-63 Hz) / 120 ~ 370 V DC
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Efficiency
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typ. 81% (230V AC)
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Ripple & Noise
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120 mVp-p max
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DC OK Signal
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Yes (Active signal contact)
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Technical Specifications (Mechanical & Protection)
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Parameter
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Specification
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Mounting
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DIN Rail TS-35/7.5 or 15
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Dimensions (W x H x D)
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22.5 x 90 x 100 mm
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Weight
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Approx. 0.17 kg
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Operating Temperature
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-20 ~ +70 °C (with derating)
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Cooling
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Natural convection
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Protections
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Overload (105-160%), Short circuit, Overvoltage (13.8-16.2V)
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Safety Standards
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UL 508, EN/UL/CSA 62368-1, EAC TP TC 004
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Isolation
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I/P-O/P: 3 kV AC
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Key Features
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Universal Input: Wide input range (85-264V AC) ensures stable operation under fluctuating grid voltages.
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DC OK Indicator: Built-in relay contact (DC OK) provides a signal for remote monitoring of power status.
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Auto-Recovery: Overload and short-circuit protection with automatic recovery after fault clearance.
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Space Saving: Slim 22.5mm width allows high-density mounting on standard DIN rails.
Applications
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PLC and relay control circuits
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Industrial automation sensors and actuators
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Small machine control cabinets
About ACH
Founded in 2012, ACH is a top-tier distributor of industrial automation products, supplying genuine devices from leading brands like ABB, P+F, E&H, AB, MTL to emerging markets worldwide. Our mission is to provide 100% Genuine products at the most competitive prices, helping customers reduce costs and strengthen their market position.
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Frequently Ask & Questions
Are preferential prices available?
Long-term brand partners can get competitive product prices. At the same time, ACH controls the profit per order to 5%, providing the most competitive prices.
Are the Products Genuine OEM Units?
Yes, all products from ACH are certified genuine OEM units. We acquire our inventory through official OEM channels and trusted third-party suppliers, ensuring every item is authentic and reliable.
How will you arrange shipment?
We'll handle the shipping for you. Through our partnerships, we can secure competitive rates with major carriers like FedEx, DHL, TNT, and UPS, ensuring a smooth and cost-effective delivery.
What is the warranty of goods?
One-year Warranty.
How long is the logistics cycle of the product?
Products are divided into spot and futures, and the delivery period of different brands of products is also different. For details, please contact the ACH business manager.
