Cutler Hammer OEM Mechanical Interlock for Size 3,4,5 #C321KM3, C321KM5 Style:Used This breaker has a certified

This breaker has a certified UL rating and resistant against electrical overloads

Ensure the safety of your electrical system with this expertly designed circuit breaker

HOLE IN DOOR IS 10 1/2" FROM TOP AND 1 3/4" FROM RH EDGE  6 5/8" DIAMETER HOLE

WESTINGHOUSE HMCP400X5C 400A HMCP Motor Circuit Protector 2000-4000 Trip

Cutler Hammer OEM Mechanical Interlock for Size 3,4,5 #C321KM3, C321KM5 Style:Used This breaker has a certifiedCutler Hammer OEM Mechanical Interlock for Size 3,4,5 #C321KM3, C321KM5 The Cutler Hammer OEM Mechanical Interlock is specifically designed for use with size 3, 4, and 5 starters. It's heavy duty construction and dependable performance provides a reliable solution for a variety of applications. The C321KM3 is easy to install and maintain, making it an ideal choice for both commercial and industrial settings.