System Sensor 300 series (disambiguation)

System Sensor 300 series or 2300 series may refer to:

• 2300 series, a series of Direct-Wire detectors whose model numbers begin with 2300 and 2312/24
• 300 series, a series of conventional detectors in Europe whose model numbers contain "351" and "E"
• Select series, a series of addressable detectors whose model numbers contain "351" but not "E"

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