Technical Information & Details for MEAN WELL NPF-40D-24 Power Supply
- Output Power: 40.08 W
- Output Voltage: 24 V DC (Constant Current Region: 14.4 – 24 V)
- Output Current: 1.67 A
- Input Voltage Range: 90 – 305 V AC / 127 – 431 V DC, 47 – 63 Hz
- Efficiency: 89%
- Current Ripple: 5.0% max. @ rated current
- Inrush Current: Cold start 50 A / 230 V AC
- No-Load Power Consumption: < 0.5 W (Standby)
- Operating Temperature: −40 °C to +85 °C (Case temperature Tcase)
- Cooling: Fanless free air convection
- Protections: Short circuit, Overload (Constant current limiting), Over voltage, Over temperature
- Ingress Protection: IP67
- Isolation Voltage: 3750 V AC (Input/Output)
- Dimensions (H x W x D): 35 mm x 53 mm x 150 mm
- Weight: approx. 490 g
- Safety & EMC Certifications: UL8750 (Type HL), UL879, CSA C22.2, ENEC EN61347-1, EN61347-2-13, IP67, BS EN/EN55015
- Dimming Function: 3-in-1 dimming (0–10VDC, 10V PWM signal, resistance; dim-to-off)
- Manufacturer Warranty: 5 years
Information about MEAN WELL NPF-40D-24
Designed to deliver uncompromised reliability in challenging installation sites, the MEAN WELL NPF-40D-24 constant current LED driver provides an ideal power foundation for advanced luminaire designs. Encapsulated within a fully potted, dust-tight housing meeting IP67 rating requirements, it withstands severe environmental stress across a broad thermal range of −40 °C to +85 °C. Brightness control is made effortless through flexible 3-in-1 dimming technology supporting dim-to-off functionality, supported by an integrated active PFC circuit. Certified under UL8750 Type HL for hazardous locations and backed by a 5-year warranty, this unit ensures high-efficiency performance for industrial light fittings, architectural accent lights, and outdoor signage.