ABB G3EFA HENF450295R2 I/O Control Board

ABB G3EFA HENF450295R2 is a multifunctional integrated I/O control board developed for ABB industrial drive and automation systems. 

It collects digital and analog field signals, executes local logic processing, and transmits data through system backplane bus. It serves as a key signal conversion and control component, 

widely used as standard replacement spare part for drive cabinet and industrial control system maintenance.

Technical Specifications

Part Number: G3EFA / HENF450295R2

Manufacturer: ABB

Type: Mixed I/O Control Board

Power Supply: 24VDC ±15%

Digital Input: 16 channels 24VDC

Digital Output: 8 channels relay output

Analog Input: 4 channels 4-20mA / 0-10V

Operating Temperature: -20°C ~ +60°C

Humidity: 5%–95% non-condensing

Protection Grade: IP20

Net Weight: Approx. 0.38 kg

Certification: CE, UL, RoHS

Key Features

Integrated mixed digital and analog channels to meet diverse field signal acquisition demands.

Built-in channel isolation circuit effectively reduces electromagnetic interference for stable signal transmission.

Front panel LED indicators display real-time running status and fault alarm for quick troubleshooting.

Standard rack-mounted card structure supports direct plug-and-play replacement to shorten maintenance downtime.

Optimized hardware revision R2 with enhanced compatibility and long-term operation stability.