Simplex 565-654-RC
Simplex 565-654-RC
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The Simplex 565-654 is the internal electronics board for a Simplex 4098-9751/4098-9753 TrueAlarm in-duct sensor housing, letting the enclosure and field wiring be reused when the board needs replacing. It links the duct sensor head and base assembly to the fire alarm loop and includes a programmable local relay for triggering fan shutdown, damper control, or other duct-side fire response actions.
Key Features
- Replacement interface board for the 4098-9751/4098-9753 duct sensor housing
- Reuses existing housing and field wiring, reducing installation time
- Programmable local Form C relay for fan shutdown or damper control
Technical Specifications
- Duct Air Velocity Range: 0 to 4,000 ft/min
- Communication: Simplex TrueAlarm IDNet or MAPNET II
- Relay: Programmable, Form C
- Compatibility: Simplex 4098-9751/4098-9753 duct detector housings

