Eaton Cutler-Hammer C321KM30 Mechanical Interlock R-22 the integrity of the stem

the integrity of the stem seal depends on consistent alive-loading

75" WC calibration

nylon zip tie

and common terminals

This valve utilizes a 2-bolt mounting pattern with a center-to-center bolt spacing of 1-3/4 inches

Eaton Cutler-Hammer C321KM30 Mechanical Interlock R-22 the integrity of the stemThe Eaton Cutler Hammer C321KM30 Mechanical Interlock is a critical field installable accessory designed for Freedom Series NEMA size 00, 0, 1, and 2 starters and contactors. Engineered for horizontal mounting configurations, this heavy duty mechanical link ensures positive electrical isolation by preventing two opposing contactors from closing simultaneously. This hardware is essential for reversing motor applications and multi source power transfers