The ABB E294/230 Central On-Off Module is a compact additional control module with a width of only 18 mm, specifically designed for use with standard relay switches. It allows for a galvanically isolated contact level and offers the flexibility to operate between local and central command points with different control voltage potentials, such as AC locally and DC centrally. This module is ideal for professional applications where central control is required. With the E294/230, users can implement a master command that enables all connected relay switches to be turned on or off simultaneously. The central commands always take precedence and ensure reliable switching of the mechanically linked coil, regardless of the previous switching position of the individual switches. Thus, this module is an efficient solution for modern control systems.

• Galvanically isolated contact level for safety
• Flexible control with different voltages
• Central command for all relay switches
• Reliable switching regardless of previous position.