System Sensor B224BI Plug-in Isolator Detector Base

System Sensor offers relay, isolator, and sounder base options for 200 Series detectors. Relay bases provide one form C contact relay to control auxiliary functions, like door closure and elevator recall. System Sensor B224BI Isolator bases allow loops to continue to operate under fault conditions. And automatically restore w hen the fault i s removed. Sounder bases a re available in a combination temporal 3. And continuous tone model (B200SR). Or an addressable model (B200S) that can b e activated by the fire alarm control panel based on the event.

The System Sensor B224BI Bases provide a variety of mounting options to meet your installation challenges. Bases come in flanged or flangeless versions for mounting to a variety of junction boxes. See the 200 Series Junction Box Selection Guide on the next page for junction box options. Surface mounting boxes a re available.

Features / Specifications

Bases enable quick and secure detector plug-in

SEMS screws provide easy wiring connection

Support for 12-24 AWG provides installation flexibility

Multiple accessory options provide mounting flexibility

Sounder bases are compliant with UL 464 and UL 268

Operating Voltage: 15 to 32 VDC (powered by SLC)

Humidity Range: 10% to 93% RH non-condensing

Datasheet

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