E-T-A Circuit Breakers 3130-F313-P7T1-W12QY6-0.5A ETA Circuit Breakers Min Ord Qty 10. Single, two and three pole rocker switch/thermal trip free circuit breakers (S-type TO CBE to EN 60934) of compact design for snap-in panel mounting. Available either with protection on one/both/all poles or, in the case of the double