Plug-In Smoke Detectors BK-2151 (2151) Photo detector head
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BK-2151T (2151T) 2- and 4-wire bases available Requires separate 100 series base With thermal
Series Form C Relay Detectors
Thermal
BK-2WTRB (2WTR-B) 2-wire
BK-4WTRB (4WTR-B) 4-wire
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Series 2-Wire Detectors
Photoelectric detectors Dual LED indicators Drift compensation
Plug-in unit with mounting base included
With or without thermal
BK-2WB (2WB) BK-2WTB (2WTB) With thermal
Series 4-Wire Detectors
Photoelectric detectors Remote maintenance signal Dual LED indicators With or without thermal Drift compensation
Plug-in unit with mounting base included
BK-4WB (4W-B) BK-4WTB (4WT-B)
With thermal Series Accessories
BK-RRSMOD (RRS-MOD) Synchronizes i3 sounders
Reverses power to i3 Series sounder models
BK-A77AB2 (A77AB2) Retrofit adapter bracket
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Series Sensitivity Reader For i3 Series detectors Infrared reader No voltmeter required Outputs % per foot & text message Hand held or connect to pole
BK-SENSRDR
Series Temporal Sounder Detectors BK-2WTAB (2WTA-B) 2-wire with sounder, thermal BK-4WTAB (4WTA-B)
4-wire with sounder, thermal
BK-4WTARB (4WTAR-B)
4-wire with sounder, thermal, Form C relay
BK-4WITARB (BK-4WITAR-B)
4-wire with sounder, isolated thermal, Form C relay
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For orders, call 800-233-6261 | For system sales and support, call 800-234-7971 | adiglobal.com/us