products 
TopWorx New Gen Nuclear Qualified Proximity Position Sensors 


TopWorx has a complete line of Global Nuclear Qualified Position Sensors that have been tested to or exceed New Generation nuclear plant qualifications and greatly exceed existing plant qualification specifications giving it the highest safety level in the market, in its class, by a high margin.   

  • 100yr qualified life Plus 1year LOCA Submersed or unsubmersed
  • 500F Peak Temperature
  • 10g Triaxial Seismic w/ 100g peaks
  • 250Mrad
  • Proximity design….no mechanical lever arms to adjust
  • No torque on the actuator
  • Easily retrofits current mechanical lever arm type switches
  • 3 levels of sensors available….Containment, Harsh and Mild
  • Worldwide Support

Contact your TopWorx Office for more information or email the GO Switch Nuclear Business Manager greg.merrifield@emerson.com.

 Nuclear Approved GO Switches

The GO-C7 Global Containment Proximity/Limit Switch
The World’s First and Only Global Containment Proximity Switch!
Valvetop DXN with Nuclear Approvals
The world’s first modular, discrete indication package with a junction box for Global Containment.