Fire Alarm - EN54 - Manual Call Points
Conventional Manual Call Points for Ex Areas
The Conventional Manual Call Points for Ex Areas are used to
manually activate the alarm in zones 1 and 2 at risk of explosion. The
K type call points are encapsulated, intrinsically safe call points and
do not require any safety barriers. The DM 1103 B‑Ex Manual Call Points
for ex zones must be connected via a Safety Barrier SB 3 incl.
Input/Output Module DCA1192 (see system overview).