-
-
-
-
-
-
-
-
-
-
-
Siemens MS-51
?MS? Series Single Action Manual Fire-Alarm Station; Normally Open, S.P.S.T.
-
Double-Action Addressable Manual Fire Alarm Box
Addressable Manual Fire Alarm Box, Dual Action
Addressable Manual Fire Alarm Box, Single Action
Addressable Manual Fire Alarm Box, Single Action
Addressable Manual Fire-Alarm Box, Single Action
Single-Pole, Single-Throw (S.P.S.T.) Manual Station
?MS? Series Single Action Manual Fire-Alarm Station; Normally Open, S.P.S.T.
Manual Station, Metal w/ Key, Double Action