SPEAKERS & SPEAKER/STROBES

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4-Wire Duct Smoke Detector

The DUCTSD 4-wire photoelectric duct smoke detector features a pivoting housing that fi ts both square and rectangular footprints and mounts to round or rectangular ductwork. This unit senses smoke in the most challenging conditions, operating in airfl ow speeds of 100 to 4,000 feet per minute, temperatures of –4°F to 158°F, and a humidity range of 0 to 95 percent (non-condensing). A plug-in sensor head offers simple installation and maintenance. The cover integrated smoke test port enables easy testing and maintenance.

4-Wire Photoelectric, integrated low-flow technology
Air velocity rating from 100 ft/min to 4,000 ft/min (0.5 m/s to 20.32 m/sec)
Versatile mounting options: square or rectangular configuration
Cover integrated smoke test port
Plug-in sensor offers the latest sensor technology
Broad ranges for operating temperature (–4°F to 158°F) and humidity (0% to 95% non-condensing)
Patented sampling tube installs from front or back of the detector with no tools required
Increased wiring space with an added ¾-inch conduit knockout
One easy-access Test/Reset button
Patented interconnect feature for multi-fan shutdown
High contrast terminal designations and wiring diagram label make wiring easy
Built-in short circuit protection from operator wiring errors
Two DPDT Form-C relay contacts
24 VAC/DC or 120 VAC
Compatible with existing System Sennsor duct smoke products, including remote accessories RTS151 and RTS151KEY

Item#:

DUCTSD

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8W Speaker Strobe, Wall, Weatherproof, 24 VDC, 75 CD, White

Item#:

ET70WP-2475W-FW

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8W Vandal Resistant Speaker, Surface Mount, Wall/Ceiling, Red

The Wheelock Series ET Vandal Resistant speakers provide a full range of rugged, high performance combinations specifically designed to meet the critical needs of the life safety industry for voice and tone signaling. Aesthetically pleasing package styles, each ET model covers both 25 and 70 volt audio systems, and has multiple wattage taps from 1/8 to 8 watts. Their high-efficiency design provides improved voice clarity and higher sound output for typical low frequency fire evacuation signal.

Features

High efficiency speakers designed for maximum output at minimum wattage across 400 to 4000 Hz frequency range

Field selectable taps for 25 or 70 VRMS operation from 1/8 watt up to 8 watts in 3 dB steps

Attractive package styles for flush or surface mounting to standard low cost backboxes

UL Listed for outdoor use with Wheelock WBB outdoor backbox

Vandal resistant die cast grilles

Sealed back speaker construction for extra protection and improved audibility

Fast installation with IN/OUT screw terminals using #12 to #18 AWG wring

Compliance with RFI limits in FCC Part 15, Class B for compatibility with sensitive detection and communication circuits

Audio inputs include a 10 uF blocking capacitor for compatibility

Item#:

ET-1010-R

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