Technical Information & Details for MEAN WELL NPF-40D-54 Power Supply
- Output Power: 41.04 W
- Output Voltage: 54 V DC (Constant Current Region: 32.4 – 54 V)
- Output Current: 0.76 A
- Input Voltage Range: 90 – 305 V AC / 127 – 431 V DC, 47 – 63 Hz
- Efficiency: 90%
- 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), 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-54
Uncompromising construction meets high-voltage constant current output in the MEAN WELL NPF-40D-54 LED power supply. Fully potted within a durable plastic enclosure rated to IP67 rating standards, this unit provides complete resistance against dust ingress and water exposure under extreme thermal conditions from −40 °C up to +85 °C Tcase. Advanced lighting customization is enabled by its versatile 3-in-1 dimming technology with full dim-to-off capability, complemented by built-in active PFC for optimal power factor performance. Approved under UL8750 Type HL for hazardous locations and backed by a comprehensive 5-year warranty, this driver is tailored for modern commercial downlights, LED panels, and demanding outdoor luminaires.