Changeover Reed Switches

A changeover reed switch has three contact leads. Form C or double throw switch described the switching function as break-before-make. The switching sequence is as follows. One contact opens its connection to another contact and then closes its connection to a third contact. Furthermore contact configuration is the number of switches or poles used in a component.

Basic technical specifications*
Reed Switch Series Overall Length
(mm)
Glass Length
(mm)
Glass Diameter (mm) Lead Diameter (mm) Contact Form Pull-In Range (AT) Rated Power Max. (W)
KSK-1C90F 54,50 14,00 2,54 0,50 1C (Changeover) 15 – 40 10
KSK-1C90U 56,10 14,00 2,54 0,50 1C (Changeover) 15 – 40 10
KSK-1C10 86,10 34,30 5,16 1,01 1C (Changeover) 60 – 80 100
MK23-90 14,00 2,54 1C (Changeover) 15 – 40 10

* Complete technical specifications can be found in the contact series data sheet

  • N.O. – Normally Open
  • N.C. – Normally Close