Connecticut Electric UBIZ3030 UBI Type Z Twin Pole Plug In Circuit BreakerConnecticut Electric UBIZ3030 UBI Type Z Twin Pole Plug In Circuit Breaker Features:;This series corresponds to Zinsco R Series, a trademark of Thomas & Betts Corporation;Requires one 3/4" spaces;Thin series;Twin pole plug in;SWD rated;120/240 volt AC;10,000 AIC;30 amp rating;View-pakProduct Number: UBIZ3030