Product Description

The 7DO721.7 delivers heavy-duty power switching capabilities for industrial automation tasks. As a specialized digital output module, it integrates four high current relays selectable for either 240VAC or 24VDC loads. Each electromechanical relay provides a generous 4 Ampere current rating per channel. This enables direct switching of motors, pumps, solenoids, lights, electric heaters, and other equipment. Modules can switch tungsten preheat bulbs up to 1000W.

An integrated snubber protects against voltage spikes for long relay life. Power contacts use silver cadmium oxide to withstand rigorous cyclic loads. Rated for over 200,000 operations, the industrial-grade relays ensure exceptional longevity in harsh environments. Released in 2003, the proven 7DO721.7 meets global standards including European CE and UKCA marks plus UL/cUL. An operating range of 10 to 30 VDC suits PLC backplane voltages. DIN rail mounting conserves panel space.

Onboard intelligence eases integration while enhancing safety and reliability. Programmable watchdogs can trigger automatic emergency responses. Diagnostic LEDs quickly convey channel and module status. With its rugged metal housing, removable connectors, and interference immunity, the 7DO721.7 delivers dependable performance in demanding factories and processing plants. Operating temperatures span a wide -25 to 60 degrees C . Machine builders, plant engineers, and system integrators trust the versatile 7DO721.7 relay output module to enable critical AC/DC control tasks while lowering costs and conserving panel space.