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 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.

Technische Informationen & Details zum MEAN WELL SDR-480-48 Netzteil Ausgangsleistung: 480 W (720 W Spitze für 3 Sekunden) Ausgangsspannung: 48 V DC Ausgangsstrom: 10 A Eingangsspannungsbereich: 90 – 264 V AC / 127 – 370 V DC Wirkungsgrad: 94 % Restwelligkeit & Rauschen: ≤ 120 mVp-p Einschaltstrom: 40 A @ 115 VAC / 80 A @ 230 VAC Leistungsfaktor: PF > 0,94 Betriebstemperatur: -25 °C bis +70 °C Kühlung: Lüfterlose natürliche Konvektion Schutzfunktionen: Kurzschluss, Überlast, Überspannung, Übertemperatur Einstellbereich Spannung: 48 – 55 V Isolationsspannung: 3000 V AC Eingang-Ausgang Maße (B x H x T): 85,5 mm x 125,2 mm x 128,5 mm Gewicht: 1,6 kg Sicherheits- & EMV-Zertifikate: UL 508, TUV EN62368-1, BS EN/EN61000-6-2, EAC, CE Statusanzeige: DC-OK-Relaiskontakt und LED-Anzeige Herstellergarantie: 3 Jahre Informationen zum MEAN WELL SDR-480-48 Das MEAN WELL SDR-480-48 ist ein hocheffizientes Industrie-Netzteil für die DIN-Schiene, das speziell für maximale Leistung auf engstem Raum entwickelt wurde. Mit einem Wirkungsgrad von 94 % arbeitet das Gerät äußerst energieeffizient, wodurch die Wärmeentwicklung so gering bleibt, dass eine Kühlung durch freie Luftkonvektion ohne mechanische Lüfter ausreicht. Ein besonderes Highlight für industrielle Anwendungen ist die 150 % Peak-Load-Fähigkeit, die es dem Netzteil ermöglicht, kurzzeitig eine Spitzenleistung von 720 Watt für bis zu 3 Sekunden abzurufen. Diese Reserve ist entscheidend für den stabilen Anlauf von Motoren oder anderen Lasten mit hohen Einschaltströmen. Für den Einsatz in anspruchsvollen Umgebungen verfügt das SDR-480-48 über eine integrierte aktive PFC-Funktion und einen DC-OK-Relaiskontakt zur einfachen Fernüberwachung des Systemzustands. Das Netzteil ist nach UL 508 für industrielle Steuerungssysteme zertifiziert und erfüllt höchste Anforderungen an die Störfestigkeit im Industriebereich. Die schmale Bauform von nur 85,5 mm Breite spart wertvollen Platz im Schaltschrank, während umfassende Schutzmechanismen gegen Kurzschluss, Überspannung und Übertemperatur sowie eine Konstantstrombegrenzung für höchste Betriebssicherheit und Langlebigkeit sorgen.

Technical Information & Details for the MEAN WELL NDR‑120‑24 Power Supply Output Power: 120 W Output Voltage: 24 V DC Output Current: 5 A Input Voltage Range: 90 – 264 V AC / 127 – 370 V DC, 47 – 63 Hz Efficiency: up to 88 % 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: 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 40 mm x 113.5 mm Weight: approx. 670 g Safety & EMC Certificates: CE, UL 508, TUV, CB, EAC LED Indicator: Power On Indicator Manufacturer Warranty: 3 years About the MEAN WELL NDR-120-24 The MEAN WELL NDR-120-24 is a powerful DIN-rail industrial power supply delivering 120 W with stable 24 V DC / 5 A output. It excels with superior efficiency up to 88 %, fanless natural convection cooling for silent operation, and a ultra-narrow 40 mm metal housing. Comprehensive protection features (short-circuit, overload, overvoltage, overtemperature) with automatic recovery ensure maximum operational safety. Ideal for PLC controls, industrial automation, sensor networks, and building management systems – the universal 90–264 V AC input range enables global deployment. With international certifications, the NDR-120-24 provides optimal energy efficiency, durability, and space savings in demanding industrial environments.

Technical Information & Details of the MEAN WELL NDR-480-48 Power Supply Output Power: 480 W Output Voltage: 48 V DC Output Current: 10 A Input Voltage Range: 90 – 264 V AC / 127 – 370 V DC, 47 – 63 Hz Efficiency: up to 93 % Ripple & Noise: ≤ 240 mVp-p Inrush Current: max. 60 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 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 85.5 mm x 128.5 mm Weight: approx. 1.8 kg Safety & EMC Certificates: CE, UL 508, TUV, CB, EAC LED Indicator: Power On status indicator Manufacturer Warranty: 3 years Information about the MEAN WELL NDR-480-48 The MEAN WELL NDR-480-48 is a high-performance DIN rail power supply with 480 W and stable 48 V DC / 10 A output voltage. It excels with excellent efficiency up to 93 %, fanless convection cooling for silent operation, and a powerful aluminum housing design. The comprehensive protection features (short-circuit, overload, overvoltage, and overtemperature protection) with automatic recovery ensure maximum operational safety. Perfect for PLC controls, heavy industrial automation, servo motors, and machine building – the universal input voltage range 90–264 V AC enables worldwide deployment. With international certifications, the NDR-480-48 offers maximum energy efficiency, durability, and reliability in demanding industrial environments.

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.