Simplex 4906-9131 — TrueAlert weatherproof multi-candela horn strobe, red housing with white FIRE lettering, for wall mounting indoors or outdoors.
Simplex builds these for extended temperature and humidity in vandal resistant housings rated NEMA 3R, the red ones UV light-stable outdoors. SmartSync two-wire control runs horn and strobe on one circuit, so the horn can be silenced while the strobe flashes until reset.
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Strobe — UL 1971 indoor at 15, 60 or 75 cd; UL 1638 outdoor at 75 cd on the WP75 setting, the factory position.
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Horn — 2400 to 3700 Hz sweep at a 120 Hz rate; at 24 VDC, 83 dBA steady and 79 dBA coded per UL 464, 99 dBA per ULC S525.
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Current — 91, 204 and 249 mA RMS at 15, 60 and 75 cd; on WP75, 205 mA above 32 °F and 277 mA below.
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Flash — regulated 24 VDC over 16 to 33 VDC, 1 Hz, 24 synchronized strobes per circuit.
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Mounting — requires a matching weatherproof box, ordered separately: 49WPBB-AVVOWR red, 49WPBB-AVVOWW white.
4906-9132 is the same appliance in white with red lettering, 4906-9105 and 4906-9106 are the strobe-only pair, and 4906-9143 is the ULC listed horn strobe rated 5, 20 and 30 cd.
