Littelfuse-Commercial Vehicle Catalog
Find electronic components for trucks, buses, and construction, agricultural, marine, material handling, recreational, and marine vehicles.

Municipal buses remain the workhorses of public transportation. Electronic devices made by Littelfuse ensure commuter, shuttle, and transit buses operate efficiently and safely. We provide overcurrent and overvoltage protection devices specifically for electric buses and buses with internal combustion engines. We also make solutions for battery management and for brake and lighting controls.

Littelfuse produces electronic components that help electric school buses and buses with internal combustion engines operate efficiently and protect children. Our solutions for digital backup cameras and advanced driver assistance systems (ADAS) constantly evolve, and our automotive circuit protection has long set the world standard.
Cut all battery power to vehicle electrical systems with the TR Series 32V 500A 2-Pole Waterproof Master Battery Disconnect Switch. The dual-pole, single-throw (DPST) switch works in heavy-duty truck, construction, emergency vehicle, bus and transit, military, and agricultural applications requiring the switching of two circuits or both positive and negative.