GE Fanuc A20B-2101-0390 Alpha i PSM Power Supply Board Voltage Attenuator Card This module enables seamless integration

This module enables seamless integration of up to eight Fieldbus Modules (FBMs)

Field voltage must match the module’s input rating

enabling real-time data collection and storage for fault tracing and system analysis

Product Dimensions: Depth / Length: 76 mm

GE Fanuc A20B-2101-0390 Alpha i PSM Power Supply Board Voltage Attenuator Card This module enables seamless integrationThe GE Fanuc A20B 2101 0390, also cataloged as the A20B 2101 Power Supply PCB, operates as a dedicated hardware component for AC line noise filtering and internal DC voltage regulation within Fanuc Alpha i PSM high power servo drive systems. It conditions raw three phase AC power, suppresses high frequency line harmonics, and distributes regulated low voltage DC rails to onboard control logic and gate drive circuits without signal degradation.