HSI Spot On Leverless Limit-Switches are designed to handle the most extreme operating environments. The four different Spot On models can sense farther, faster and last longer than the competition.
*SPOT ON WIRE COLOR DESIGNATIONS:
Black Wire = Common / Red Wire = Normally Closed / Blue Wire = Normally Open / Green Wire = Ground (steel housing only)
From 'Making Sense' Blog
Upgrade Outdated Technology with Sentinel Retro
HSI Sensing was selected as the 2019 winner of the Intrusion Detection and Prevention Solutions for its Sentinel Retro – PRX+12215 and recognized on the main stage at ISC West, the nation’s largest converged security trade show, on April 10 in Las Vegas, Nevada. The Sentinel Retro is designed as a drop-in replacement to simplify … Continued