Secutron MRI-2351RAP Photoelectric Smoke Sensor Plug-in Isolator Base It also accommodates an optional

It also accommodates an optional push-in connect adaptor kit (VSP-878) for the Americas for increased robustness when used with larger diameter 1⁄2” capillary tubing

RF interference

ASD-PL3R intelligent photoelectric smoke sensors are plug-in smoke sensors that combine a photoelectronic sensing chamber with addressable-analog communications

such as horns and strobes

Simplex 4190-9050 Remote AMZ Package with Cover - Surface Mount

Secutron MRI-2351RAP Photoelectric Smoke Sensor Plug-in Isolator Base It also accommodates an optionalSecutron MRI 2351RAP Advanced Protocol Intelligent Photoelectric Smoke Sensor with Remote Test Capability in Duct Applications (Base is Sold Separately)