Intensely engineered, high-voltage reed switches. How many volts can we help you handle?
Work faster, harder, and farther than you ever imagined.
Stable contact resistance from 30 mW to 100 watts.
HSI presents the world's smallest Form B reed switch.
Off the shelf or custom engineered...yeah, we've got a switch for that.
We engineer custom sensors for the world's most critical missions. Let us engineer yours.
HSI Sensing is the innovative leader in the engineering, design, and precision manufacturing of custom reed switch and sensor technology. The industry experts at solving problems for customers in challenging design applications, we also precision manufacture those solutions for consistent, unmatched quality.