Technical Information & Details for the MEAN WELL LPF-40-12 Power Supply
- Output Power: 40 W
- Output Voltage: 12 V DC
- Output Current: 3.34 A
- Input Voltage Range: 90 – 305 V AC / 127 – 431 V DC, 47 – 63 Hz
- Efficiency: up to 84 %
- Ripple & Noise: ≤ 150 mVp-p
- Inrush Current: max. 50 A at 230 V AC
- No-Load Power Consumption: < 0.5 W
- Operating Temperature: Case temperature (Tcase) −40 °C to +80 °C
- Cooling: Fanless free-air convection
- Protection Functions: Short circuit, Overcurrent, Overvoltage, Overtemperature
- Withstand Voltage: 3.75 kV AC Input-Output
- Dimensions (L x W x H): 162.5 mm x 43 mm x 32 mm
- Weight: approx. 440 g
- Safety & EMC Approvals: UL8750, ENEC EN61347-1, EN61347-2-13, IP67, EAC
- Manufacturer Warranty: 5 Years
Information about the MEAN WELL LPF-40-12
Engineered specifically for demanding architectural and commercial lighting setups, this power unit delivers exceptional performance and dual-mode operation for fixed installations. System integrators frequently rely on its fully encapsulated, rugged design featuring an ingress protection rating of IP67, making it entirely dust-tight and resistant to temporary water immersion.
Performance-wise, the unit utilizes a dual constant voltage and constant current output mode tailored to safeguard sensitive LED arrays against electrical fluctuations. To ensure stable deployment across harsh industrial environments, the driver is rated for an extended operating temperature range from -40 °C to +80 °C under natural convection cooling.
Compliance with global safety requirements is validated through rigorous international safety and EMC standards including UL and ENEC, paired with a Class II double-insulated architecture that eliminates the need for an earth ground connection. Long-term operational reliability is further backed by a comprehensive 5-year manufacturer warranty.
Offering a wide universal AC input range alongside active power factor correction, this versatile component represents an optimal choice for professional signboards, linear fixtures, and outdoor display applications requiring uncompromising durability.