Technical Information & Details for the MEAN WELL TDR-960-48 Power Supply Output Power: 960 W Output Voltage: 48 V DC Output Current: 20 A Input Voltage Range: Three-Phase 340 – 550 VAC (Dual-phase possible) / 480 – 780 VDC Efficiency: up to 94 % Ripple & Noise: ≤ 250 mVp-p Inrush Current: 60 A (Cold Start) Power Factor: PF ≥ 0.88 / 400 VAC at full load Operating Temperature: -30 °C to +70 °C Cooling: Free air convection (fanless) Protection Functions: Short circuit, Overload, Over voltage, Over temperature DC OK Signal: Built-in relay contact Isolation Voltage: 3000 V AC between Input and Output Dimensions (W x H x D): 110 mm x 125.2 mm x 150 mm Weight: 2.47 kg Safety & EMC Certificates: UL508, AS/NZS62368.1, EAC, IEC62368-1 CB, EN55032 Installation: DIN Rail TS-35/7.5 or 15 Manufacturer Warranty: 3 Years Information about the MEAN WELL TDR-960-48 The MEAN WELL TDR-960-48 is a robust industrial power solution designed to provide a stable 48V DC output for high-voltage automation requirements. Engineered for three-phase systems, this unit stands out with its slim 110mm width, allowing for significant space savings on the DIN rail without compromising on performance. Its active PFC function ensures high electrical efficiency and compliance with strict industrial harmonics standards, while the 94% efficiency rating minimizes thermal load within control cabinets, extending the lifespan of surrounding sensitive electronics. This power supply is built for maximum operational uptime, featuring dual-phase operation capability which allows the system to continue functioning even if one phase fails. For large-scale applications, the TDR-960-48 supports current sharing for parallel operation, enabling up to four units to work together to reach a massive 3840W total output. With integrated DC OK relay contacts for real-time status monitoring and a comprehensive suite of protections including constant current limiting, it provides the reliability and scalability required for heavy-duty industrial machinery and complex 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 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-480-24 Power Supply Output Power: 480 W Output Voltage: 24 V DC Output Current: 20 A Input Voltage Range: 180 – 550 V AC / 254 – 780 V DC, 47 – 63 Hz Efficiency: 93% Ripple & Noise: ≤ 100 mVp-p Inrush Current: 50 A (Cold Start) Voltage Adj. Range: 24 – 28 V Operating Temperature: -30 °C to +70 °C Cooling: Free air convection Protection Functions: Short circuit, Overload, Over voltage, Over temperature Function: Built-in DC OK relay contact and active PFC circuit Isolation Voltage: 3000 V AC between input and output Dimensions (H x B x T): 125.2 mm x 85.5 mm x 128.5 mm Weight: 1.7 kg Safety & EMC Certificates: UL 508, IEC 62368-1, EAC, BS EN/EN61000-6-2 LED Indicator: Power On Indicator Manufacturer Warranty: 3 Years Information about the MEAN WELL WDR-480-24 The MEAN WELL WDR-480-24 is a high-performance industrial power supply engineered for single or two-phase operation, featuring an ultra-wide input range of 180 to 550V AC. This flexibility allows it to be installed across various electrical grids without the need for a neutral wire, making it a premier choice for heavy industrial environments and power-hungry applications. Its sophisticated design achieves a high efficiency of 93%, significantly reducing heat dissipation and ensuring long-term reliability. With a robust 480W output and a slim form factor for its power class, it provides a stable 24V DC source while taking up minimal space on TS-35/7.5 or 15 DIN rails. Unique characteristics of this unit include a built-in active PFC circuit that ensures compliance with harmonic current regulations and a dedicated DC OK relay contact for real-time remote monitoring of the power status. The WDR-480-24 is built to withstand harsh conditions, featuring an industrial immunity level according to BS EN/EN61000-6-2 and comprehensive protection against short circuits, overloads, and extreme temperatures. Its fanless design utilizes free air convection for silent and maintenance-free cooling, while the 3-year manufacturer warranty underscores its quality as a durable solution for factory automation, marine systems, and advanced electro-mechanical apparatus.

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 HDR-15-24 Power Supply Output Power: 15.2 W Output Voltage: 24 V DC Output Current: 0.63 A Output Current Range: 0 – 0.63 A Output Voltage Adjustment Range: 21.6 – 29 V DC Ripple & Noise: ≤ 150 mVp-p Voltage Tolerance: ±1.0 % Line Regulation: ±1.0 % Load Regulation: ±1.0 % Input Voltage Range: 85 – 264 V AC (277 V AC operational) / 120 – 370 V DC (390 V DC operational) Input Frequency: 47 – 63 Hz Efficiency (typ.): 86 % AC Input Current (typ.): 0.5 A @115 V AC / 0.25 A @230 V AC Inrush Current (typ.): 25 A @115 V AC / 45 A @230 V AC (cold start) No-load Power Consumption: < 0.3 W Overload Protection: 110 – 145 % of rated power, constant current limiting within 50 – 100 % of rated output voltage, hiccup mode when Vout < 50 %, auto recovery Overvoltage Protection: 30 – 36 V DC, shut off output, clamping by zener diode Operating Temperature: −30 °C to +70 °C (derating according to curve) Operating Humidity: 20 – 90 % RH, non-condensing Storage Temperature / Humidity: −40 °C to +85 °C, 10 – 95 % RH, non-condensing Temperature Coefficient: ±0.03 % / °C (0 – 50 °C) Vibration Resistance: 10 – 500 Hz, 2 G, 10 min./cycle, 60 min. per axis (X, Y, Z) Operating Altitude: up to 2,000 m (derating above 2,000 m) Isolation Voltage: 4 kVAC (input–output) Isolation Resistance: > 100 MΩ @500 VDC, 25 °C, 70 % RH Dimensions (W x H x D): 17.5 mm x 90 mm x 54.5 mm Weight: approx. 74 g Mounting: DIN rail TS35/7.5 or TS35/15, ultra-slim 1-SU step-shape housing Housing / Isolation Class: plastic housing, isolation Class II, LPS (Limited Power Source) Front Indicators / Controls: LED indicator for power on, adjustable DC output voltage Safety Approvals: UL62368‑1, UL508, TUV BS EN/EN61558‑2‑16, BS EN/EN61558‑1, IEC62368‑1, EAC TP TC 004, BSMI CNS15598‑1, BIS IS13252 (Part1) (except 48 V) EMC Emission: EN55032 (CISPR32), CNS15936 Class B; EN61000‑3‑2, EN61000‑3‑3 EMC Immunity: EN55035, EN61000‑6‑2, EN61204‑3; EN61000‑4‑2/3/4/5/6/8/11 MTBF (typ.): 3,724,300 h (Tel