Ampper 12V-48V Battery Disconnect Switch – 275A Continuous

The Ampper Battery Disconnect Switch delivers reliable isolation for DC 12V to 48V systems in cars, trucks, RVs, and boats. Encased in durable ABS plastic, the switch features a rear cover that insulates terminals, preventing accidental short circuits and ensuring safe operation even under heavy loads.

Equipped with copper terminal studs (3/8″ × 2) and a robust mounting system of four screw holes, installation is straightforward and adaptable to a wide range of electrical configurations. The switch offers a simple On/Off 2‑position toggle, providing instant power cut‑off to eliminate parasitic drain when the vehicle or vessel is idle.

With a continuous rating of 275 A at DC 12V and intermittent capability of 455 A, this unit is ideal for high‑current applications. The momentary rating of 1250 A ensures safe operation during brief surges, making it a versatile choice for both automotive and marine environments.