Reed capsules - switches From Coto, this RI-23 Series micro dry-reed switch contains two magnetically actuated reeds. Hermetically sealed in a glass envelope, the RI-23 Series reed switch boasts an excellent life expectancy and is suitable for general purposes. Available in standard (RI-23B) and miniature (RI-27A) versions. Applications: € Telephone€ Alarm systems€ Test and Measurements€ Automobile