The Yaskawa CPS-420F is a control power supply unit designed for use with MOTOMAN NX100 robot controllers. Here's a focused overview of its key features:

1. Function: Supplies stable power to the CPU and control circuits of the NX100 controller.
2. Input Voltage: Operates on 200–240V AC, 50/60 Hz, with a current rating of 3 A.
3. Output: Provides regulated DC power, typically 5V and 24V, for internal controller components.
4. Compatibility: Specifically built for NX100 systems, including models like EPX2800, EPX1250, and EPX2050.
5. Form Factor: Rack-mountable unit with dimensions around 31 cm × 20 cm × 7.8 cm, weighing approximately 3.9 kg (8.5 lbs).
6. Reliability: Known for robust performance in industrial environments; includes internal cooling fan—failure of which can trigger system alarms.
7. Availability: Offered in new, refurbished, or exchange options, often with warranties from 6 months to 2 years.