The Murray MP style of breaker is a 1" wide single pole and 2" wide double pole snap in type.
Murray Products Available at Aplus Supply:
MP ARC FAULT
Murray Circuit Breakers are in high quality affordable panels made by Siemens. They are available in GFCI (Ground Fault Circuit Interrupting) and AFCI (Arc Fault Circuit Interrupting) versions as well.
Fully UL listed and approved, SWD (switch duty rated) and HACR (Heating air conditioning rated). The main breakers have had a few version changes thru the years.
If your unsure of a proper fit in your load center give us a call at 810-742-7444, we can help.