KHM MSPI-NIS25W21S-420 25W LED Driver

Typically Ships in 2 to 3 Business Days* View full description
Customer Reviews


Constant Current LED Power Supply | 420ma | Dimmable | 100-277V

Optimize your LED lighting with the KHM MSPI-NIS25W21S-420 25W Constant Current LED Driver, designed for unparalleled efficiency and control. This driver boasts a universal input of 120-277V, delivering a fixed output of 420mA and up to 62Vdc, suitable for a wide range of LED applications. Featuring integrated dimming capabilities via analog 0-10V or resistor methods, it allows for flexible lighting adjustments to suit any ambiance.

The driver's innovative design ensures constant lumen output, actively compensating for LED lumen degradation by adjusting the output current throughout its lifespan. This not only enhances the longevity of your LED fixtures but also maintains consistent brightness levels for the perfect lighting experience.

Safety is paramount with this driver, as it includes a built-in photocell for automated lighting control, enhancing energy efficiency by adjusting to ambient light levels. Moreover, the dimming and photocell circuits are fully isolated, adhering to the rigorous UL8750 standard for electrical safety.

Additionally, it's engineered to withstand surge impacts up to 2KV between live and neutral wires, ensuring reliability and durability in fluctuating electrical environments. Whether for residential, commercial, or industrial lighting, the KHM MSPI-NIS25W21S-420 LED Driver is your go-to solution for high-performance, dimmable LED lighting.

Key Features:

  • 25W maximum power output with a stable 420mA current
  • Universal input voltage (100-277 VAC) for global compatibility
  • Integrated dimming (0-10V or resistor) for adjustable lighting levels
  • Built-in photocell for automated light control
  • Isolation circuits for enhanced safety (UL8750 compliant)
  • Surge impact immunity for reliable operation
  • Perfect for a variety of LED lighting applications requiring constant lumen output


  • Total Power: 25 Watts
  • Output Current: 420mA
  • Maximum Output Voltage: 62Vdc
  • Dimmable: Yes (Analog 0-10V, Resistor)
  • Input Voltage: 100-277 VAC
  • Surge Protection: L-N: 2KV
  • Warranty: Comes with a manufacturer's warranty

Upgrade your lighting system with the KHM MSPI-NIS25W21S-420 LED Driver for efficient, reliable, and controlled illumination.


*This product typically ships in 2 to 3 business days. Larger quantities may take longer than stated lead-time.  All lead-times are estimates and you will be notified by email if it will take longer than 5 business days to ship.


Extra Information

KHM Kerham
Catalog No:
Order Code:
Height (in.):
Length (in.):
Width (in):
Output Voltage:
Input Voltage:
100 ~ 277V
5 Year
Case Quantity: