The Lambda LFS-40-5 is an enclosed AC-DC power supply delivering stable 5 VDC output at 8 A (40 W) from universal AC input. Engineered for industrial automation and general-purpose electronics, it combines active power factor correction, multi-level protection, and compliance with international safety standards into a natural convection-cooled metal chassis. The supply handles 85–264 VAC input across 47–63 Hz, achieving >80% efficiency at full load with 80% at full load
• Hold-up Time: 16 ms minimum (nominal input, full load)
• Inrush Current: <30 A at 230 VAC cold start
• Leakage Current: <0.75 mA at 264 VAC / 60 Hz
• Operating Temperature: −10°C to +50°C (derating above 40°C)
• Storage Temperature: −20°C to +85°C
• Operating Humidity: 20–90% RH (non-condensing)
• Vibration: 10–500 Hz, 2 G (operating)
• Shock: 30 G, 11 ms (operating)
– Key Features
• Active Power Factor Correction (PFC) meeting EN61000-3-2 Class D
• Current-limiting overload protection with automatic recovery
• Output short-circuit protection with automatic recovery
• Internal overvoltage and thermal shutdown protection
• Fully enclosed metal chassis with natural convection cooling
• AC input terminals and DC output screw terminals
• Chassis ground terminal provided
– Safety & Compliance
• UL60950-1, UL508, CSA60950-1, CSA C22.2 No. 14
• EN60950-1, EN50178, IEC60950-1, CE marked
• FCC Part 15 Class B, EN55022 Class B, CISPR22 Class B
• EMI immunity: ESD Level 3, radiated immunity Level 3, EFT Level 3, surge Level 3, conducted immunity Level 3, voltage dips/interruptions Level 3
– Typical Applications
Industrial control equipment, automation systems, laboratory instruments, and embedded systems requiring reliable 5 V DC power from standard AC mains.
