HEP-150-54A

Technical Information & Details for the MEAN WELL SDR-120-48 Power Supply Output Power: 120 W (180 W Peak) Output Voltage: 48 V DC Output Current: 2.5 A Input Voltage Range: 88 – 264 V AC / 124 – 370 V DC, 47 – 63 Hz Efficiency: 91% Ripple & Noise: ≤ 120 mVp-p Inrush Current: 35 A @115 VAC / 70 A @230 VAC Voltage Adjustment Range: 48 – 55 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, EN61000-6-2, EAC, CE Status Monitoring: Built-in DC OK relay contact and LED indicator Manufacturer Warranty: 3 Years Information about the MEAN WELL SDR-120-48 The MEAN WELL SDR-120-48 is a high-performance industrial DIN rail power supply specifically engineered for 48V applications where precision and reliability are non-negotiable. A key technical advantage of this model is its 150% peak load capability, which provides up to 180W of power for a duration of 3 seconds. This reserve is essential for safely starting inductive or capacitive loads, such as specialized motors or high-voltage relays, without triggering a system protection shutdown. With its ultra-slim 40mm design, the unit optimizes valuable space within control cabinets while maintaining an impressive 91% typical efficiency. Beyond its power density, the SDR-120-48 features active Power Factor Correction (PFC), ensuring optimal energy usage and compliance with rigorous industrial harmonic standards. For enhanced operational oversight, it includes a built-in DC OK relay contact, allowing for seamless remote monitoring of the output status in automated environments. The unit is fully protected against short circuits, overloads, over-voltage, and over-temperature, ensuring maximum system uptime in harsh conditions. Backed by a 3-year manufacturer warranty and a 100% full load burn-in test, it represents a robust energy solution for telecommunications, renewable energy systems, and advanced factory automation.

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.