ABB FH204AC-40/0,3

Product Overview

The ABB FH204AC-40/0,3 is a Safety Interlock Switch (SIS) featuring integrated differential pressure measurement, widely applied in industrial automation systems worldwide. This device ensures secure operational control by monitoring pressure differentials and enabling interlock functions critical for process safety and equipment protection.

Key Technical Features and Applications of FH204AC-40/0,3

• Combines differential pressure sensing with interlock switch functionality, enabling real-time safety monitoring in fluid or gas systems.
• Designed for precise pressure differential detection with a 0.3 bar sensitivity, ensuring accurate activation of safety protocols.
• Robust construction suitable for demanding industrial environments, maintaining reliability under varying temperature and pressure conditions.
• Facilitates automated shutdown or alarm triggers to prevent equipment damage or hazardous conditions arising from pressure anomalies.

Contextual Use Cases

This switch is essential in industrial processes requiring dependable pressure interlocking, such as boiler systems or ventilation controls, where maintaining differential pressure parameters is crucial for safe operation. It also supports PLC systems by providing critical input signals for automated safety responses.