20 Amp Duplex Breaker

Type TB Circuit Breakers require one 1" space in breaker box.
HACR
SWD rated.
120/240VAC
10,000 AIC
TB 115, 120, 130, 140, 150 are single pole
TB 250 is a 50Amp 2 pole breaker and requires two 1" spaces
. TBBD 1515, 2020, 1520, 1530, 2030 are duplex breakers