Gent Change Over Contact is a conventional manual call point, designed to provide a manual
alarm interface to conventional fire alarm control panels. All call points
are supplied in the standard red color and are available in semi-flush
mounting or surface mounting options. The manual call points are all with
a 470 Ohm resistor and Normally Open contact, complete with glass.
Both break glass, and resettable operating elements can be used in the
standard unit by a yellow strip on the element which becomes visible when
activated.