Reed Switch Feature Comparison

Switch Features

REED reed-switch-comparison

ConstructionGlass/Metal Oxide BondAll Metal Switch
DurabilityFragile Even When PackagedVirtually Indestructible
Plastic Insert MoldingFragility a ProblemCan Be Insert Molded
Ferrous Proximity SensorRequires Additional Magnet / Cost and Size IssuesOnly Stand-Alone Technology with Capability / Lower Cost
Magnetic Activation – DefeatGlobally – Easily DefeatedDefined Zone – Cannot Defeat
High Voltage ExposurePermanent Contact WeldingResistant to Contact Welding
Electromagnetic InterferenceEasily AffectedNot Affected

MAGNASPHERE is also a superior replacement for Hall Effect switches.
 (1) Does not require a third wire as a power source. (2) Does not drain battery supply during stand-by. (3) Operates on similar magnetic field strengths. (4) Does not require RFI/EMI protective filter. (5) Does not sense only one magnetic polarity. (6) Uses similar PCB “real estate” area. (7) Does not require shielded wire harness. (8) Robust to shock forces and impact.