For new installations, consider Eaton’s newer EasyE4 series for enhanced connectivity. But for keeping legacy machinery running, the EZD 311 continues to justify its reputation as a smart relay that simply works.
These are "explosion-proof" fittings designed for use in hazardous locations (like chemical plants or refineries) to prevent the passage of gases, vapors, or flames through a conduit system. Key Feature: The EZD series typically includes an integral drain fitting ezd 311