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Mean Well LRS-450-24 24V 18.8A 451.2W Switching Power Supply (SMPS) – Single Output
The Mean Well LRS-450-24 is a high-performance 451.2W enclosed AC-DC switching power supply designed for industrial automation, LED lighting, CNC machines, communication equipment, security systems, and other demanding electronic applications. Delivering a stable 24V DC output at up to 18.8A, this reliable SMPS features a compact 1U low-profile design, built-in forced-air cooling with intelligent fan control, and comprehensive protection against short circuits, overload, overvoltage, and overheating. Its wide operating temperature range, high efficiency, and robust construction make it an ideal choice for continuous industrial operation where dependable power is essential. The LRS-450-24 supports selectable AC input voltage (115V/230V), ensuring compatibility with a wide range of installations.
Features
- 451.2W single-output enclosed switching power supply
- Stable 24V DC output with 18.8A maximum current
- Compact 1U low-profile (35mm) metal enclosure
- Selectable 115VAC / 230VAC input voltage
- Built-in cooling fan with intelligent ON/OFF control
- Protections for short circuit, overload, overvoltage, and overtemperature
- Withstands 300VAC surge input for 5 seconds
- High operating temperature up to 70°C (with derating)
- 5G vibration resistance for industrial environments
- Suitable for automation, LED systems, industrial control, and machinery
- High reliability with long MTBF and 3-year manufacturer warranty
Specifications
- Model: Mean Well LRS-450-24
- Output Type: Single Output
- Rated Output Voltage: 24V DC
- Rated Output Current: 18.8A
- Rated Power: 451.2W
- Output Voltage Adjustment: 22.8V – 26.4V
- Voltage Tolerance: ±1.0%
- Line Regulation: ±0.5%
- Load Regulation: ±0.5%
- Ripple & Noise: 240mVp-p (max.)
- AC Input Voltage: 90–132VAC / 180–264VAC (Selectable by Switch)
- DC Input Voltage: 254–370VDC
- Input Frequency: 47–63Hz
- Efficiency: Up to 90%
- Inrush Current: Cold Start: 30A @115VAC, 60A @230VAC
- Hold-Up Time: 12ms (115VAC), 16ms (230VAC) @ Full Load
- Protection: Short Circuit, Overload, Over Voltage, Over Temperature
- Cooling Method: Built-in Intelligent Fan (Auto ON/OFF)
- Operating Temperature: -20°C to +70°C (Derating Required Above Rated Temperature)
- Operating Humidity: 20% to 90% RH (Non-Condensing)
- Storage Temperature: -40°C to +85°C
- Vibration Resistance: 5G
- Operating Altitude: Up to 5000m
- Dimensions (L × W × H): 225 × 124 × 35 mm
- Weight: Approx. 0.85 kg
- Safety Standards: IEC/UL 62368-1, BIS, EAC, BSMI Approved
- Cooling Design: 1U Low-Profile Metal Enclosure
Package Includes
- 1x Mean Well LRS-450-24 24V 18.8A 451.2W Switching Power Supply (SMPS) – Single Output
