DIN-Rail

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 MDR-40-24 Power Supply Output Power: 40.8 W Output Voltage: 24 V DC Output Current: 1.7 A Input Voltage Range: 85 – 264 V AC / 120 – 370 V DC, 47 – 63 Hz Efficiency: 88% Ripple & Noise: ≤ 150 mVp-p Inrush Current: Cold Start 30 A @ 115 VAC / 60 A @ 230 VAC No-load Power Consumption: < 0.75 W Operating Temperature: −20 °C to +70 °C Cooling: Free air convection (fanless) Protections: Short circuit, Overload (constant current limiting), Over voltage Special Features: DC OK relay contact, LED status indicator, Adjustable output voltage Isolation Voltage: 3000 V AC (I/P-O/P) Dimensions (W x H x D): 40 mm x 90 mm x 100 mm Weight: 0.3 kg Safety & EMC Certificates: UL508, UL62368-1, TUV, Class I Div 2 (HazLoc), CE, EAC Manufacturer Warranty: 3 Years Information about the MEAN WELL MDR-40-24 The MEAN WELL MDR-40-24 is a robust 40.8W industrial DIN rail power supply engineered for precision automation and critical control systems. A key differentiator for this unit is the integrated DC OK relay contact, which provides a hardware-level signal for remote monitoring of the power state, ensuring system integrity and facilitating rapid troubleshooting. The device utilizes constant current limiting for overload protection, which allows for stable operation even with temporary peak loads and ensures automatic recovery once fault conditions are cleared. Specifically designed for demanding environments, it holds Class I, Division 2 hazardous location certification, making it suitable for chemical, oil, and gas applications. With a focus on energy conservation, the MDR-40-24 boasts a no-load power consumption of under 0.75W and high 88% efficiency. Its ultra-slim 40mm design maximizes rail space, while the universal wide-range input and 100% full load burn-in testing guarantee global compatibility and long-term durability in professional setups.

Technical Information & Details for the MEAN WELL MDR-60-12 Power Supply Output Power: 60 W Output Voltage: 12 V DC Output Current: 5 A Input Voltage Range: 85 – 264 V AC / 120 – 370 V DC, 47 – 63 Hz Efficiency: 85% Ripple & Noise: ≤ 120 mVp-p Inrush Current: 30 A @ 115 VAC / 60 A @ 230 VAC No-load Power Consumption: < 0.75 W Operating Temperature: −20 °C to +70 °C Cooling: Fanless free air convection Protections: Short circuit, Overload (Constant current limiting), Over voltage Special Functions: DC OK relay contact Isolation Voltage: 3000 V AC I/P-O/P Dimensions (W x H x D): 40 mm x 90 mm x 100 mm Weight: 287 g Safety & EMC Certificates: UL508, TUV EN62368-1, Class I Div 2 Hazardous Locations T4 LED Indicator: Power-On LED indicator Manufacturer Warranty: 3 Years Information about the MEAN WELL MDR-60-12 The MEAN WELL MDR-60-12 stands out as a robust industrial DIN rail power supply designed for high-density installations where cabinet space is at a premium. Featuring a compact 40mm wide chassis, it fits seamlessly onto standard TS-35 rails while delivering a stable 12V output. A key technical advantage is the built-in DC OK relay contact, which facilitates remote status monitoring for critical system integration. The unit is naturally convection-cooled, eliminating the need for fans and reducing maintenance requirements. It is specifically rated for Class I, Div 2 hazardous locations, making it a safe choice for specialized industrial environments. With its constant current limiting protection and automatic recovery features, the MDR-60-12 ensures continuous operation even under challenging load conditions. Furthermore, its low no-load power consumption of under 0.75W demonstrates its superior energy efficiency, all backed by a comprehensive 3-year manufacturer warranty.

Technical Information & Details for the MEAN WELL MDR-60-24 Power Supply Output Power: 60 W Output Voltage: 24 V DC Output Current: 2.5 A Input Voltage Range: 85 – 264 V AC / 120 – 370 V DC, 47 – 63 Hz Efficiency: 87% Ripple & Noise: ≤ 150 mVp-p Inrush Current: 30 A @ 115 VAC / 60 A @ 230 VAC No-load Power Consumption: < 0.75 W Operating Temperature: −20 °C to +70 °C Cooling: Fanless free air convection Protections: Short circuit, Overload (Constant current limiting), Over voltage Special Functions: DC OK relay contact Isolation Voltage: 3000 V AC I/P-O/P Dimensions (W x H x D): 40 mm x 90 mm x 100 mm Weight: 287 g Safety & EMC Certificates: UL508, UL62368-1, TUV EN62368-1, Class I Div 2 Hazardous Locations T4 LED Indicator: Power-On LED indicator Manufacturer Warranty: 3 Years Information about the MEAN WELL MDR-60-24 The MEAN WELL MDR-60-24 serves as a robust and highly efficient 24V power solution specifically tailored for industrial DIN rail applications[cite: 3, 4, 19]. Its compact 40mm design ensures it fits easily onto TS-35/7.5 or 15 rails, making it a perfect fit for crowded control panels[cite: 8, 19]. A standout feature is the built-in DC OK relay contact, which provides a simple yet effective way to monitor output health remotely[cite: 11, 66]. Engineered for harsh environments, it carries Class I, Div 2 hazardous location certification and operates reliably across a wide temperature range from -20 to +70°C[cite: 9, 19]. The power supply is designed with energy efficiency in mind, boasting an 87% typical efficiency and a no-load power consumption of less than 0.75W[cite: 12, 19]. Equipped with constant current limiting protection and automatic recovery, the MDR-60-24 guarantees long-term stability and minimal maintenance for critical automation tasks[cite: 19].

Technical Information & Details for the MEAN WELL MDR-100-24 Power Supply Power Output: 96 W Output Voltage: 24 V DC Output Current: 4 A Input Voltage Range: 85 – 264 V AC / 120 – 370 V DC, 47 – 63 Hz Efficiency: up to 86% Ripple & Noise: ≤ 150 mVp-p Inrush Current: max. 30 A @115 VAC / 60 A @230 VAC No-load Power Consumption: < 0.75 W Operating Temperature: −20 °C to +70 °C Cooling: Fanless natural convection Protections: Short circuit, Overload, Over voltage, Over temperature Additional Function: DC OK relay contact for status signaling Isolation Voltage: 3000 V AC Input to Output Dimensions (H x W x D): 100 mm x 55 mm x 90 mm Weight: approx. 420 g Safety & EMC Certificates: UL508, TUV EN62368-1, Class I Div 2 (Hazardous Locations) LED Indicator: Power On indicator Manufacturer Warranty: 3 Years Product Overview for the MEAN WELL MDR-100-24 The MEAN WELL MDR-100-24 is a reliable 96W industrial power supply designed for seamless DIN rail integration. A key technical advantage is its superior efficiency rating of 86%, which minimizes heat dissipation and enhances the overall lifespan of surrounding electronic components. This model is equipped with a specialized DC OK relay contact, allowing for active remote monitoring of the output status, which is vital for maintaining uptime in automated production lines. Its low standby power consumption makes it a "green" solution for modern control cabinets. Furthermore, the MDR-100-24 is built to last in tough environments, featuring Class I, Division 2 approval for use in hazardous locations and a wide operating temperature range. The slim 55mm housing ensures high power density in space-constrained installations, while the 3-year manufacturer warranty provides long-term peace of mind for system integrators and electrical engineers.

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.

Technical Information & Details for the MEAN WELL SDR-480-24 Power Supply Output Power: 480 W (720 W Peak) Output Voltage: 24 V DC Output Current: 20 A Input Voltage Range: 90 – 264 V AC / 127 – 370 V DC, 47 – 63 Hz Efficiency: 94% Ripple & Noise: ≤ 100 mVp-p Inrush Current: 40 A @ 115 VAC / 80 A @ 230 VAC Power Factor: PF > 0.94 Operating Temperature: -25 °C to +70 °C Cooling: Free air convection Protection Functions: Short circuit, Overload, Over voltage, Over temperature Voltage Adjustment Range: 24 – 28 V Isolation Voltage: 3000 V AC I/P-O/P Dimensions (W x H x D): 85.5 mm x 125.2 mm x 128.5 mm Weight: 1.6 kg Safety & EMC Certificates: UL 508, TUV EN62368-1, BS EN/EN61000-6-2, EAC, CE Status Indicators: DC OK relay contact and LED indicator Manufacturer Warranty: 3 Years Information about the MEAN WELL SDR-480-24 The MEAN WELL SDR-480-24 stands out as a high-performance solution for demanding industrial environments, boasting an impressive efficiency of up to 94%. This high efficiency significantly minimizes power dissipation, allowing the unit to operate reliably using only free air convection cooling within a slim 85.5mm chassis. One of its most critical advantages is the 150% peak load capability, which enables the power supply to deliver up to 720W for 3 seconds. This feature is particularly vital for powering loads with high startup currents, such as motors or capacitive loads, ensuring system stability without the need to over-dimension the power supply unit. Engineered for maximum reliability, the SDR-480-24 includes a built-in active PFC function and a DC OK relay contact for remote monitoring of the output status. The unit is fully compliant with industrial immunity levels (EN61000-6-2) and carries UL 508 approval, making it a robust choice for industrial control systems, fabrication equipment, and automation machinery. With its constant current limiting circuit and comprehensive protections against short circuits and over-temperature, this DIN rail power supply ensures long-term operational safety and minimal maintenance requirements in complex hardware setups.

Technical Information & Details for the MEAN WELL SDR-120-24 Power Supply Output Power: 120 W (180 W Peak) Output Voltage: 24 V DC Output Current: 5 A Input Voltage Range: 88 – 264 V AC / 124 – 370 V DC, 47 – 63 Hz Efficiency: 90.5% Ripple & Noise: ≤ 100 mVp-p Inrush Current: 35 A @115 VAC / 70 A @230 VAC Voltage Adjustment Range: 24 – 28 V Operating Temperature: −25 °C to +70 °C Cooling: Free air convection Protection Functions: Short circuit, Overload, Over voltage, Over temperature Power Factor: PF > 0.93 / 230 VAC Isolation Voltage: 3000 V AC between input and output Dimensions (W x H x D): 40 mm x 125.2 mm x 113.5 mm Weight: 0.67 Kg Safety & EMC Certificates: UL 508, EN62368-1, SEMI F47, GL, EAC, CE Status Monitoring: Built-in DC OK relay contact and LED indicator Manufacturer Warranty: 3 Years Information about the MEAN WELL SDR-120-24 The MEAN WELL SDR-120-24 is a premier industrial-grade DIN rail power supply engineered for superior efficiency and space-saving performance. A standout feature of this model is its 150% peak load capability, allowing the unit to deliver up to 180W for 3 seconds. This power reserve is critical for starting demanding inductive loads, such as DC motors or heavy-duty relays, without causing system-wide voltage drops or premature shutdowns. With a slim 40mm width, it maximizes cabinet space, while its 90.5% high efficiency ensures minimal heat generation, facilitating reliable operation through simple natural air convection. In addition to its physical robustness, the SDR-120-24 includes active Power Factor Correction (PFC), optimizing power quality and meeting strict industrial harmonics standards. For seamless integration into automated systems, it features a built-in DC OK relay contact, providing a hardware-based signal to monitor the health of the output voltage remotely. The power supply is fully fortified with protections against short circuits, overloads, over-voltage, and excessive temperatures, ensuring maximum system uptime. Backed by international safety certifications and a 100% full load burn-in test, this unit provides a dependable and long-lasting energy solution for complex factory automation and process control systems.

Technical Information & Details for the MEAN WELL WDR-120-24 Power Supply Output Power: 120 W Output Voltage: 24 V DC Output Current: 5 A Input Voltage Range: 180 – 550 V AC / 254 – 780 V DC, 47 – 63 Hz Efficiency: up to 91 % Ripple & Noise: ≤ 120 mVp-p Inrush Current: max. 50 A (Cold Start) Operating Temperature: -25 °C to +70 °C Cooling: free air convection Protection Functions: Short circuit, Overload, Over voltage, Over temperature Isolation Voltage: 3000 V AC between input and output Dimensions (H x B x T): 125.2 mm x 40 mm x 113.5 mm Weight: approx. 650 g Safety & EMC Certificates: UL508, IEC62368-1, EAC, BS EN/EN61000-6-2 DC OK Signal: Relay contact rating 30V/1A resistive Manufacturer Warranty: 3 years Information about the MEAN WELL WDR-120-24 The MEAN WELL WDR-120-24 is a specialized industrial power supply designed to provide a stable 24V DC output at 5A, specifically engineered for environments with high-voltage supply lines. Its primary strength lies in the ultra-wide input range, which allows the unit to operate reliably on either single-phase or two-phase electrical systems between 180 and 550V AC. This versatility is critical for industrial applications where a neutral wire may not be available or where voltage stability is inconsistent. With a peak efficiency of 91%, the WDR-120-24 minimizes thermal loss, allowing it to function effectively using only natural air convection within its compact 40mm wide chassis. Safety and system monitoring are heavily prioritized in this model, featuring a built-in DC OK relay contact that provides an automated signal for remote status tracking. The unit is equipped with advanced constant current limiting circuits and a robust protection suite that handles overloads, overvoltage, and thermal spikes with automatic recovery. Meeting heavy industrial immunity levels and UL508 standards, this power supply is an ideal choice for industrial control systems, semiconductor fabrication, and factory automation. The rugged design ensures a long service life, backed by a 3-year manufacturer warranty and a high MTBF, making it a dependable component for critical 24V infrastructure.

Technical Information & Details for the MEAN WELL WDR-240-24 Power Supply Output Power: 240 W Output Voltage: 24 V DC Output Current: 10 A Input Voltage Range: 180 – 550 V AC / 254 – 780 V DC, 47 – 63 Hz Efficiency: 91% Ripple & Noise: ≤ 150 mVp-p Inrush Current: Cold Start 50 A Operating Temperature: -30 °C to +70 °C Cooling: Free air convection Protection Functions: Short circuit, Overload, Over voltage, Over temperature Isolation Voltage: 3000 V AC between input and output Dimensions (H x B x T): 125.2 mm x 63 mm x 113.5 mm Weight: 1.06 kg Safety & EMC Certificates: UL 508, BS EN/EN61000-6-2, EAC, CE, CB LED Display: DC OK Indicator Manufacturer Warranty: 3 Years Information about the MEAN WELL WDR-240-24 The MEAN WELL WDR-240-24 is a high-performance industrial DIN rail power supply specifically engineered to handle single and two-phase wide input ranges between 180 and 550V AC. This unique capability allows it to operate reliably on a variety of power grids, making it an exceptional choice for environments where voltage stability varies or where high-voltage input is required. By utilizing a built-in active PFC circuit, the unit ensures high efficiency of 91% and minimizes power dissipation, which effectively reduces the thermal load on the surrounding control cabinet components. Its robust metal housing and fanless design rely entirely on free air convection for cooling, ensuring silent and maintenance-free operation even in demanding industrial settings. Beyond its impressive power delivery of 240W at a stable 24V DC, this unit stands out for its integrated DC OK relay contact, which provides real-time monitoring and signaling for system status. It is fully compliant with industrial immunity levels (EN61000-6-2) and is UL 508 approved, guaranteeing safety and durability for heavy-duty applications such as factory automation, semi-conductor fabrication, and marine equipment. The power supply also features a voltage adjustment range of 24V to 28V, allowing users to compensate for voltage drops over long cable runs. With comprehensive protections against short circuits and over-temperature scenarios, the WDR-240-24 represents a highly reliable, space-saving solution for professionals seeking superior performance in a slim 63mm width form factor.