PRODUCT DESCRIPTION
The System Sensor D4120 is a 4-wire photoelectric low-flow duct smoke detector features two DPDT Form-C relay contacts.
Duct sensor housing contains D4S Sensor Component and 2D51 plug-in head.
Operating voltage 24 VAC/DC or 120VAC
COMPATIBLE SYSTEM SENSOR ACCESSORIES:
— DST1 Metal sampling tube duct width up to 1ft (0.3m)
— DST1.5 Metal sampling tube duct widths 1 ft to 2 ft (0.3 to 0.6 m)
— DST3 Metal sampling tube duct widths 2 ft to 4 ft (0.6 to 1.2 m)
— P48-21-00 End cap for metal sampling tubes
— DST5 Metal sampling tube duct widths 4 ft to 8 ft (1.2 to 2.4 m)
— RA100Z Remote annunciator alarm LED
— DST10 Metal sampling tube duct widths 8 ft to 12 ft (2.4 to 3.7 m)
— RTS151 Remote test station
— APA151 Remote annunciator with piezo alarm RTS151KEY Remote test station with key lock
— ETX Metal exhaust tube duct width 1ft (0.3m)
NOTE: Replaces System Sensor DH100ACDCP. Backward compatibility with existing Innovair products, including remote accessories.
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