This Federal Pioneer 2 pole 60 Amp Stab-lok circuit breaker has automatic trip reset, an arc resistant case and trip free operation. It features a quick-make, quick break, self-locking line side stab connection and thermal magnetic trip operation. Rated 120/240 Volt AC, 10,000 Amperes Interrupting Rating (AIR), it measures 3" x 2" x 3.4"