Connecticut Electric UBIZ2100 UBI Type Z Thick Series 2 Pole Plug In Circuit BreakerConnecticut Electric UBIZ2100 UBI Type Z Thick Series 2 Pole Plug In Circuit Breaker Features:;This series corresponds to Zinsco QC Series, a trademark of Thomas & Betts Corporation;Requires two 3/4" spaces;Thick series;Two pole plug in;HACR;120/240 volt AC;10,000 AIC;100 amp rating;View-pakProduct Number: UBIZ2100