Technical Specifications & Details for MEAN WELL MDR-20-24 Power Supply Output Power: 24 W Output Voltage: 24 V DC Output Current: 1 A Input Voltage Range: 85 – 264 V AC / 120 – 370 V DC, 47 – 63 Hz Efficiency: 84% Ripple & Noise: ≤ 150 mVp-p Inrush Current: max. 20 A @115 VAC / 40 A @230 VAC No-load Power Consumption: < 0.75 W Operating Temperature: −20 °C to +70 °C Cooling: Free air convection Protections: Short circuit, Overload (Constant current limiting), Over voltage Isolation Voltage: 3000 V AC I/P to O/P Dimensions (W x H x D): 22.5 mm x 90 mm x 100 mm Weight: approx. 170 g Safety & EMC Certificates: UL 508, TUV BS EN/EN62368-1, EAC, CB, BSMI, IS13252 LED Indicator: Power On LED indicator Manufacturer Warranty: 3 Years  Information on the MEAN WELL MDR-20-24 The MEAN WELL MDR-20-24 is a highly reliable 24W power supply designed for seamless DIN rail integration in space-constrained industrial environments. Its ultra-slim 22.5mm width allows for maximum component density on TS-35/7.5 or 15 rails, making it a preferred choice for modern control panels. A key technical advantage of this model is the built-in DC OK active signal, which provides real-time feedback on the output status to higher-level monitoring systems or PLCs. Engineered for superior energy performance, it achieves an efficiency of 84% and maintains a no-load power consumption of less than 0.75W, significantly lowering the total cost of ownership and thermal dissipation. The unit employs a constant current limiting protection strategy, ensuring it remains robust during startup surges or temporary overloads and recovers automatically once conditions stabilize. With its maintenance-free fanless design and a full suite of global safety approvals, the MDR-20-24 provides a stable 24V DC foundation for automation, telecommunications, and building management systems.

Technical Information & Details for the MEAN WELL NDR-240-24 Power Supply Output Power: 240 W Output Voltage: 24 V DC Output Current: 10 A Input Voltage Range: 90 – 264 V AC / 127 – 370 V DC, 47 – 63 Hz Efficiency: up to 89 % Ripple & Noise: ≤ 150 mVp-p Inrush Current: max. 45 A @230 VAC No-Load Power Consumption: < 0.5 W Operating Temperature: −20 °C to +70 °C Cooling: fanless natural convection Protection Features: short-circuit, overload, overvoltage, overtemperature Overvoltage Category: OVC II Isolation Voltage: 3000 V AC between input and output Dimensions (H x W x D): 125.2 mm x 63 mm x 113.5 mm Weight: approx. 1.2 kg Safety & EMC Certificates: CE, UL 508, TUV, CB, EAC LED Indicator: Power On Indicator Manufacturer Warranty: 3 years About the MEAN WELL NDR-240-24 The MEAN WELL NDR-240-24 is a high-power 240 W DIN-rail power supply with built-in active PFC for maximum efficiency and stability at 24 V DC / 10 A output. It excels with excellent efficiency up to 89 %, completely fanless convection cooling, and rugged metal housing for demanding industrial environments. Full protection features with constant current mode and automatic recovery ensure maximum operational safety against short-circuit, overload, and overvoltage. The universal 90–264 V AC input range makes it ideal for large PLC systems, machine building, plant control, and industrial automation. With international certifications, the NDR-240-24 offers high power density, extreme durability, and perfect integration into professional control cabinets.

MEAN WELL LRS-150-24

Technical Information & Details for the MEAN WELL SDR-240-24 Power Supply Output Power: 240 W (360 W Peak for 3 seconds) Output Voltage: 24 V DC Output Current: 10 A Input Voltage Range: 88 – 264 V AC / 124 – 370 V DC, 47 – 63 Hz Efficiency: up to 94 % Ripple & Noise: ≤ 50 mVp-p Inrush Current: 33 A @ 115 VAC / 55 A @ 230 VAC Power Factor: PF > 0.93 Operating Temperature: −25 °C to +70 °C Cooling: Free air convection (fanless) Protections: Short circuit, Overload, Over voltage, Over temperature DC OK Signal: Built-in DC OK relay contact Isolation Voltage: 3000 V AC between Input and Output Dimensions (W x H x D): 63 mm x 125.2 mm x 113.5 mm Weight: 1.03 kg Safety & EMC Certificates: UL 508, TUV BS EN/EN62368-1, EAC, CE, CB LED Display: Power On Indicator Manufacturer Warranty: 3 Years Information about the MEAN WELL SDR-240-24 The MEAN WELL SDR-240-24 is a high-performance industrial power supply designed for DIN rail mounting, offering an exceptional efficiency of up to 94%. This high efficiency significantly reduces power dissipation and heat generation, allowing the unit to operate reliably through free air convection without the need for active cooling fans. A standout characteristic is its 150% peak load capability, which enables the power supply to deliver up to 360W for 3 seconds. This feature is particularly crucial for industrial applications involving inductive or capacitive loads that require a high initial startup current, ensuring system stability without over-dimensioning the entire power architecture. Beyond its raw power, the SDR-240-24 features built-in active PFC function (Power Factor Correction), ensuring compliance with harmonic current regulations and optimizing energy usage. The slim 63mm width design saves critical space on the TS-35/7.5 or 15 rail, making it an ideal choice for crowded control cabinets. For enhanced system monitoring, it includes a DC OK relay contact, providing a simple way to integrate status signals into a PLC or supervisory system. With comprehensive industrial immunity levels and a rugged metal housing, this unit is perfectly suited for heavy-duty automation, telecommunications, and renewable energy environments where reliability and long-term durability are non-negotiable.