The TDK-Lambda LRS-54-24 is an AC/DC switching power supply delivering 24V DC at up to 11.5 A, engineered for industrial applications demanding high reliability and performance stability. This convection-cooled unit accepts 95–132 VAC or 170–250 VAC input and operates across wide temperature and humidity ranges without external cooling. A 5-year performance guarantee covers both labor and parts when operated within published specifications.
Technical Specifications
• Output Voltage: 24V DC, adjustable ±5%
• Maximum Output Current: 11.5 A at 40°C ambient (derates above 40°C)
• AC Input Range: 95–132 VAC or 170–250 VAC
• Maximum AC Input Current: 5.4 A
• Maximum AC Power Input: 380 W
• Maximum DC Power Input: 145V DC ±10%
• Output Ripple & Noise: 15 mV RMS (reducible to <4 mV RMS with optional MRS Series filter)
• Line Regulation: 0.1%
• Load Regulation: 0.1%
• Soft-Start: Limits in-rush current to ≤4× steady-state input current
• Connections: Barrier strip terminals (input); threaded bus bars (output)
• Dimensions: 2-3/8 × 4-7/8 × 8 inches
• Weight: 6.9 lbs
– Key Features
• Convection cooling eliminates external fan requirements
• 0.995 power factor with harmonic correction (IEC 555-2 compliant when paired with TDK-Lambda PFHC-2600)
• Overvoltage protection with inverter drive shutdown at preset threshold
• Remote sensing provision to compensate for output lead resistance
• Fungi-inert design
• Dual mounting surfaces and positions for flexible installation
• Operates reliably across shock, vibration, humidity, and wide temperature variations
– Typical Applications
Industrial control systems, process automation, telecommunications infrastructure, and noise-sensitive instrumentation where stable, low-ripple DC power is essential.
– Compatibility & Integration
Optional MRS Series DC output filters reduce ripple to <4 mV RMS for applications requiring ultra-low noise. Power factor correction module PFHC-2600 enables harmonic compliance per IEC 555-2 standards.
