MidNite Solar Photovoltaic DC Circuit Breaker - 30 Amp， Model# MNEPV30<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Meets NEC requirements for over current protection on both sides of charge controllers to protect wiring from potential fires in the event of controller failure</li><li>Can also work as on-off switch for DC load circuits</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41l31pu1ssL.jpg" noproxy>