ABB E3EFA HENF452750R1 DCS Control Card Module for Industrial Drive System

E3EFA HENF452750R1 is an original ABB industrial control card, designed as a core interface and processing module for ABB drive and DCS platforms.

It serves as a signal conditioning and communication board, handling analog/digital I/O, data processing, and internal bus communication within

ABB control cabinets. Built with a compact board-level structure, it enables reliable integration and drop-in replacement for legacy automation systems.

The unit is widely used in power, oil & gas, and heavy industry for process control and drive monitoring applications.

3. Technical Specifications Part Number: E3EFA HENF452750R1 Manufacturer: ABB Type: DCS Control Card / Drive Interface Module Power Supply: 24VDC (logic power) I/O Configuration: Multi-channel analog/digital signal processing Communication: Internal backplane bus interface Operating Temperature: 0°C ~ +55°C (cabinet environment) Storage Temperature: -40°C ~ +85°C Humidity: 5% ~ 95% (non-condensing) Dimension: Standard ABB card form factor Weight: Approx. 0.8 kg Certification: CE, IEC 61131-2