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.
Always consult the official Eaton EZD 311 user manual (part number MN05002002Z-EN) before installation or programming. Follow all local electrical safety codes. ezd 311
| Specification | Detail | |---------------|--------| | | Eaton (formerly Moeller) | | Type | Smart Relay / Programmable Logic Relay | | Power Supply | 24V DC (EZD 311) or 110-240V AC (EZD 311-AC) | | Digital Inputs | 8 (including 4 that can be used as fast counters) | | Digital Outputs | 4 (Relay outputs) | | Output Current | 8A per output (resistive load) | | Display | 4-line, 12-character alphanumeric LCD with backlight | | Programming | Front-panel keys or via EZSoft software (PC) | | Memory | 128 function blocks (expandable) | | RTC (Real-Time Clock) | Yes (built-in) | | Protection Class | IP40 (front panel) / IP20 (terminals) | | Operating Temp | -25°C to +55°C | Inputs and Outputs Explained The 8 inputs (I1 to I8) can accept signals from sensors, pushbuttons, limit switches, or other relay contacts. Inputs I5 to I8 can be configured as high-speed counters up to 5 kHz. Follow all local electrical safety codes
: Be cautious of counterfeit units from non-authorized sources. Look for Eaton’s holographic label and the correct model number printed on the side panel. Conclusion The EZD 311 is a workhorse of small-scale automation. Its blend of relay outputs, intuitive programming, real-time clock, and industrial durability has made it a favorite among panel builders and maintenance electricians for over a decade. Whether you are troubleshooting an existing system, designing a small automated process, or replacing a failed timing relay with a more capable device, the EZD 311 remains a viable, reliable solution. : Be cautious of counterfeit units from non-authorized