30A ON/OFF switchable circuit breaker automatic shut-off device, with mounting screws. - Model: 30A - Switch Type: ON/OFF - Accessories: Mounting screws - Number of Terminals: 2 - Condition: Used Thank you for looking. Manufactured in Showa 53 (1978). This is a circuit breaker removed from a distribution board. I am selling it because it is no longer needed after replacement.