• Rated Power: 120 W
• Output Voltage: 42 V DC
• Rated Current: 2.9 A
• Input Voltage Range: 90 – 305 V AC / 127 – 431 V DC, 47 – 63 Hz
• Efficiency: up to 88.5 %
• Current Ripple: 5.0% max.
• Inrush Current: cold start 60 A at 230 VAC
• Standby Power Consumption: < 0.5 W
• Working Temperature: case temperature Tcase -40 °C to +90 °C
• Cooling: fanless natural convection
• Protection Functions: Short circuit, Overload, Over voltage, Over temperature
• Ingress Protection: IP67
• Withstand Voltage: I/O-O/P: 3.75 kV AC
• Dimensions (L x W x H): 191 mm x 63 mm x 37.5 mm
• Weight: approx. 0.97 kg
• Safety & EMC Certificates: UL8750, ENEC, CE, EAC
• Special Feature: Built-in 3-in-1 dimming function
• Manufacturer Warranty: 5 years

Information about the MEAN WELL NPF-120D-42

Engineered for high-performance architectural and industrial lighting deployments, the MEAN WELL NPF-120D-42 provides stable constant current output under demanding operating conditions. Protected by a rugged enclosure featuring an advanced IP67 ingress protection rating, the unit successfully shields internal electronics against heavy moisture, dust, and outdoor environmental elements. A standout thermal capability is its exceptional case operating range of Tcase -40 °C to +90 °C, designed to withstand extreme temperature fluctuations.

Lighting professionals benefit greatly from the versatile built-in 3-in-1 dimming interface, which smoothly handles 0-10V DC, PWM signals, and resistance adjustments for precise brightness control. Operating entirely without mechanical fans, the convection-cooled architecture ensures total acoustic silence while eliminating common mechanical points of failure. High electrical performance further shines through an impressive efficiency rating of up to 88.5 %, minimizing power loss across extended operational cycles.

Comprehensive system protection is guaranteed through integrated safeguards against short circuits, overloads, overvoltages, and thermal anomalies, featuring reliable automatic recovery mechanisms. Strict global compliance is officially validated by prestigious UL8750 certifications and ENEC standards, providing absolute peace of mind for commercial deployment. Additionally, the universal AC input range facilitates seamless integration into diverse electrical grids worldwide.

Backed by a comprehensive 5 years manufacturer warranty, this robust power supply represents a secure, high-value investment for professional installations. Combining superior durability, advanced technical capabilities, and elite engineering, it stands ready to fulfill the most stringent project requirements with absolute dependability.