Collection: Auto - Overload Interrupt Switch

Protect your vehicle’s sensitive electronics and prevent electrical fires with our selection of Auto Overload Interrupt Switch components. At DIY Customs, we provide high-amperage automatic reset switches, specialized manual interrupt breakers, durable push-button thermal protectors, and heavy-duty battery disconnect switches designed for a perfect fit in any 12V or 24V system. Whether you are safeguarding a high-power car audio amplifier, protecting a heavy-duty winch on a recovery rig, or ensuring the safety of a custom RV electrical build, our professional-grade hardware offers the trip speed and reliability you need at unbeatable prices. From specialized waterproof breakers to direct-fit protection switches for popular truck and marine applications, we carry the essential gear for every electrical upgrade. Don't see the specific amperage rating (20A to 300A), mounting style (Surface/Panel), or specialized interrupt switch for your project? Hit the live chat or call 412-882-8346—we can special order and drop-ship exactly what you are looking for directly to your doorstep!