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The System Sensor 4WITAR-B is a photoelectric smoke detector featuring a built-in isolated thermal sensor, integrated sounder, and a Form C relay. This ceiling mount unit, requiring a 12V DC or 24V DC power supply, is ideal for comprehensive fire detection and alarm systems.
Equipped with innovative drift compensation and smoothing algorithms, the 4WITAR-B minimizes false alarms caused by RF interference or dust accumulation. Its plug-in design with Stop-Drop 'N Lock attachment simplifies installation while ensuring secure and accurate placement.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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