This RV circuit breaker is a 15 amp twin single-pole tandem type circuit breaker for 120 volts and with a 10,000 AIC interrupting rating.
It is compatible with Siemens PL and ES series load centers and fits in a 1" space.
HACR SWD rated and UL listed, it accepts #14-6 AWG Cu or #14-6 AWG Al wire. This thermal-magnetic breaker is a standard trip interrupter.