F220-135 An electronic rate-of-rise, fixed temperature heat detector that initiates an alarm when the ambient temperature exceeds +135°F (+57°C) or when the ambient temperature increases by +15°F (+8.3°C) or more in less than 1 minute
The detectors use low current electronic circuitry, so they can connect to 12 VDC nominal or 24 VDC nominal power source circuits. When mounted on the appropriate F220+B6 Series Mounting Base, the F220 Heat Detectors provide general property protection from fire.
Two-wire or four-wire bases
50 ft (15.2 m) maximum spacing between detectors
Visible identification of model: F220+135 = no ring, F220+135F = gray ring, F220+190F = black ring
Tamper detection
Dual color LED
F220-135 Compatible Bases
Configure the detectors as either two-wire or four-wire depending on the mounting base selected. These detectors are compatible with any of the F220+B6 bases: - F220+B6 12/24 VDC Two-wire Mounting Base - F220+B6R Standard 12/24 VDC Four-wire Mounting Base - F220+B6RS 24 VDC Four-wire Mounting Base with Sounder - F220+B6C 12/24 VDC Four-(more...)
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