POWER/BLOC Measuring Sheet Page 2 of 2
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Determining the correct Power/Bloc for large frame breakers: *1) Width of center bar *2) Overall length of breaker spaces (includ. empty spaces) if center bar is one piece *3 & *4) Not Applicable *5) Height of shim if required to raise the P/B to the level of the breaker switch (SEE NOTE ABOVE) *6A) If center bar is made up of plates, use one PBHPO2 per plate if the breakers are one or two pole *6B) If breaker is three pole (one large breaker), use one PBHPO1 per breaker