ABB CMA 121 3DDE 300 401 Power Supply Card System Status Collector External Dimensions

External Dimensions

5 Volts maximum

Shock Resistance: 10 g for 11 ms

Input Voltage: 120V AC/DC or 240V AC

ABB PFBI161 – Profibus Fieldbus Interface Module

ABB CMA 121 3DDE 300 401 Power Supply Card System Status Collector External DimensionsABB CMA 121 Power Supply Card Product Description The ABB CMA 121 (Part Number: 3DDE 300 401) is a power supply card designed for the ABB SYNPOL D series of generator protection relays. This card is a crucial component, providing the necessary DC power to the relays electronic circuits and ensuring reliable operation in industrial and marine environments. The CMA 121 converts incoming AC voltage into a stable DC voltage, enabling the relays internal