Square D QO20303020 Circuit Breaker

It has interrupt rating of 10 kilo-Amps at 120/240 VAC and 5 kilo-Amps at 48 VDC. It accommodates copper or aluminum wire size of 14 – 8 AWG and copper wire size of 14 – 10 AWG. The 1-Phase circuit breaker measures 0.750 Inch x 2.910 Inch x 3 Inch and provides long-time instantaneous trip functions to perform efficiently. It is ideal for QO load centers, NQ/NQOD panel boards/interiors and speed-D switchboard distribution panels. It uses plug-on mounting to hold firmly. Circuit breaker meets UL/CSA standards.