Omron LY4-AC120 Relay 328140-751 This is a loop-powered device

This is a loop-powered device typically requiring a 9 to 30 VDC excitation voltage

While it physically adapts the pin configuration

Precision Tuning: The adjustable differential and Sight-Set calibrated scale allow for visible

Engineered as a direct OEM replacement part for York chillers

Omron LY4-AC120 Relay 328140-751 This is a loop-powered deviceThe Omron LY4 AC120 is a heavy duty 4PDT power relay engineered for demanding industrial HVACR applications and control panels requiring high switching capacity. Operating on a 120VAC coil voltage, this general purpose relay features a 10A contact rating capable of handling inductive and resistive loads across four poles. The plug in solder terminal design provides versatile installation options, while the integrated standard bracket mounting ensures