Magnasphere Corp

Magnasphere Corp is a recognized innovator in the design and manufacture of magnetic proximity sensors and high-security switch technology. The company specializes in patented magnetic contact switch solutions that provide reliable, non-contact operation for demanding security and industrial applications. Magnasphere's proprietary technology offers an advanced alternative to traditional reed switches, delivering superior resistance to magnetic tampering and external interference.

With a product portfolio of approximately 672 components, Magnasphere Corp serves a wide range of industries including security systems, access control, industrial automation, military and defense, tamper detection, and critical infrastructure protection. Their sensor and transducer offerings include ball-based magnetic switches, cylindrical proximity sensors, and specialized high-security contacts designed for environments where reliability under attempted defeat is essential. These products are commonly integrated into alarm systems, vault contacts, prison security, utility metering, and heavy machinery safety circuits.

3J LIMITED is a trusted distributor of Magnasphere Corp products, providing engineers, integrators, and procurement specialists with streamlined access to the full Magnasphere sensor and switch catalog. Through 3J LIMITED, customers benefit from expert component sourcing, competitive pricing, and reliable supply chain support for both prototyping and high-volume production needs. Contact 3J LIMITED to explore Magnasphere Corp's complete line of magnetic sensors, transducers, and security switches for your next design project.