The SS-A
(System
Sensor Model
51A51) “Type
A” Thermal
Detector has
a sleek
low-profile
design and
can be used
with a
standard or
sounder
base.
The detector
combines
electro-pneumatic
technology
(rate-of-rise
operation)
and thermal
technology
(fixed
temperature
operation)
to provide
reliable
detection of
heat
produced by
a fire.