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Engineered for use with VESDA aspirating smoke detection systems
automatic selection of 12- or 24-volt operation
Security systems
System Sensor SPSCWL-CLR-ALERT L-Series Indoor Speaker Strobes
Use direct replacement SBBCRL
Siemens DB-11E Standard Base Sale Engineered for use with VESDASiemens DB 11E is a standard base for Model H series 11 and Model 121 series conventional detectors, as well as the Model H series addressable detectors Model DB 11E has a 4. 5 (1. 4cm) diameter. The Model DB 11E is a detector base that is widely compatible with various types of fire alarm systems. It serves as a standard base for Model 'H' series "11" and Model "121" series conventional detectors, as well as the Model 'H' series addressable