Spot On Outperforms the Competition

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 WEB V3

 

*SPOT ON WIRE COLOR DESIGNATIONS:

Black Wire = Common / Red Wire = Normally Closed / Blue Wire = Normally Open / Green Wire = Ground (steel housing only)

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Limitless Applications

Spot On leverless limit switches are the perfect sensing solution for extreme environments that demand rugged reliability. From industrial applications to fluid controls and everything in-between, Spot On can handle it.

  • Automation equipment
  • Stamping equipment
  • Safety showers
  • Machine tools
  • Chemical processing
  • Fire protection doors
  • Shipping Container Door Security
  • Hydraulic position sensing
  • Safety and interlock sensing
  • Commercial lawn mowers
  • Control function in plant and utility vehicles
  • Construction equipment
  • Equipment door safety
  • Door and window control
  • Limit sensing
  • Position sensing

From 'Making Sense' Blog

Creating the Form-B Reed Switch

The two most commonly used reed switches are Form-A and Form-C devices. There are however, numerous applications that require the use of a Normally-Closed SPST (Single-Pole Single-Throw) device. Three methods exist to create this type of device from a reed switch.