I am in desperate need of an instruction manual for a Westinghouse type DHP 3000A circuit breaker. We have burnt two trip coils because the mechanism is hanging up and need a drawing(parts layout) of how the trip mechanism works. Oh yeah, we found a broken bolt under the breaker when we racked...
I have been tasked by the upppers to come up with retro-fit solid state breaker overloads. These will become the brand that we will always use in the future for replacement of overloads. We have approx. 200 breakers with pre-1980's overloads from many different manufacturers. We have had some...
Is there anyone out there who would have an instruction manual on Allis-Chalmers Static Trip II overloads in PDF format? I have looked on the internet everywhere and cannot find one.
Has anyone had any issues with Cutler Hammer DSII breakers with RMS overloads tripping for no apparent reason? We have had numerous trips on these breakers at very low loads with no indication as to why they are tripping. Cutler Hammer has suggested that it is a humidity issue.