How To Install Edwards Signaling GuardSwitch Series 371 Interlock Switch Applies to the following part numbers and more: 371-CT 371-DT Warning! To avoid switch failure determine the actual load of

How To Install Edwards Signaling GuardSwitch Series 302 Interlock Switch Applies to the following part numbers and more: 302-CT-03A 302-CT-06A 302-DT-03A 302-DT-06A Warning! To avoid switch failur

Replacing Mechanical Recessed Type Switches in Doors APPLICATION Floating magnet-type mechanical switches can fail due to corrosion (unit is not hermetically sealed), uneven wear of the plastic bo

Protecting Against Voltage Spikes The Sticking Reed Switch Problem When Interlogix magnetic reed switches are wired in line with relay devices with coils, the reverse voltage spike generated when c

How To Install GuardSwitch Series 115 Interlock Switch Applies to the following part numbers and more: 115-3n-06k 115-3y-06k 115-3y-12k 115-4y-06k 115-4y-12k 115-6n-06k 115-6n-20k 115-6y-06k 115-6y-

How To Install GuardSwitch Series 391-393 Interlock Switch Applies to the following part numbers and more: 391-ct-06k 391-ct-12k 391-dt-12k 391-dt-06k 393-dt-12k 393-dt-06k Warning! To avoid switch

How To Install Edwards Signaling GuardSwitch Series 301-303 Interlock Switch Warning! To avoid switch failure determine the actual load of the GE Security switch circuit and take steps to protect th

New Inductive Proximity Switch with Analog Output Why inductive? Inductive proximity switches are highly popular with end-users, since they are - robust - cost effective - insensitive to dirt - s