How many additional pole spaces will an EDB type breaker with suffix AABASA take up?
With the combination auxiliary contacts, alarm switch, and shunt trip accessory on the E-frame breakers, suffix AABASA, will the breaker take up one additional space or two?
MCB OPTIMUM BUILDING
NF panel board circuit breakers EDB EGB EJB require one extra pole space for any and all combinations of electrical accessories (shunt trip and/or auxiliary switch with alarm contact). Possible combinations of accessories are AABA, SA or AABASA.