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Nelson Specialties’ Off Road proven Heavy-Duty Master Switch offers high amp capacity, excellent conductivity, and a durable design

Mooresville, NC (July 21, 2008) – Nelson Specialties’ Off Road proven Heavy-Duty Master switch offers high electrical load capacity, excellent conductivity, and a durable design. Sealed battery disconnect switch is rated to 1,000 cranking amps, and 180 amps continuous – four times the capacity of other master switches. Unit is suitable for electrical systems ranging from 6 volts to 36 volts. Silver-plated contacts provide high conductivity to maintain ignition performance when running low amperage ignition systems through the switch. One-piece heavy-duty die cast metal housing is 2 5/8" in diameter and 4 1/8" long.  Mounting stem is 3/4" in diameter and 25/32" long. Single-pole single-throw wiring terminals are 3/8" studs. Positive switch action confirms proper engagement. Comes with faceplate for clean and functional mounting, as well as high legibility.

About Nelson Specialties

Nelson Specialties, an electronics manufacturing and consulting firm was founded in 1974 by Nelson Crozier. The Mooresville, NC based company started with government and military work, as well as projects for NASA. Through the 1970’s and 1980’s Nelson Specialties moved seamlessly into racing applications. The company now manufactures and tests electrical equipment such as wire harnesses and ignition coils for scores of race teams. Current estimates are that nearly eighty-percent of the teams in NASCAR’s top racing divisions use the Nelson Specialties’ equipment or services in some capacity.

Known as “Mr. Wizard” around the NASCAR circuit for his vast electronic and mechanical expertise, Nelson Crozier can be found at NASCAR Cup race sites serving as a consultant and troubleshooter extraordinaire for race teams. Nelson is a master at getting to the core of a tough problem, and supplying a common sense solution that leaves everyone scratching their heads and saying “Why didn’t I think of that?”

From his earliest days in the sport, Nelson has been baffled by the lack of standardization in electronics in racecars. So he set out to remedy the situation by designing standardized wiring harnesses. As with his other racing electronics solutions, the result has made life easier for race teams everywhere.