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The CSIS-202A1 Supervised Signal Isolator Module is designed for fire alarm installations where an in-suite audible or visual notification device must be isolated without affecting notification appliances in other areas.
The module provides two supervised isolator outputs. If a connected bell, horn, or strobe develops a short or open circuit, the isolator removes the affected devices from the circuit while allowing the remaining notification appliances to continue operating. The fire alarm control panel can indicate a trouble condition for the affected suite.
The CSIS-202A1 mounts in a standard 4-inch square electrical box and includes a white front plate with an area for identifying the suite number. It operates from a regulated 24 FWR/24 VDC signal input and supports up to 400 mA maximum suite current per suite.
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