Used Bulldog Electric Pushmatic main circuit breaker, model W2100, rated 100 amps, 120/240VAC, 2-pole. UL listed (UND. LAB. INC.), rated for copper or aluminum wire (CU/AL). This is the main disconnect breaker style Shows normal cosmetic wear and label aging from prior service (see photos, including some cracking on the rating label). Untested/sold as-is; please verify compatibility with your specific Pushmatic panel before purchasing, as these breakers only fit genuine Bulldog Electric/Pushmatic panels.