This is a Female RS232 to TTL serial converter serial cable. The Type I cable converts a serial signal to TTL with connections for Tx, Rx, +3V/+5V and ground. The TTL connector is a 4-pin Fritcion Lock with a 0.100" pitch. This item replaces MCU-016-172
12V auto reset circuit breakers. This automotive circuit breaker is auto reset, providing continued operation during an overcurrent condition in DC applications. Commonly referred to as a type 1 breaker.