Two-Wire Conventional Smoke Detector 511C

Manufacture: kidde
Product code: 511C

The 511C ⭐
✅ is an economical, conventional photoelectric, directwire smoke detector with drift compensation ⭐
✅ The 511C continually monitors its own sensitivity and operational status, and provides a visual indication if it drifts out of the sensitivity range or fails internal diagnostics. Additional diagnostic information is activated by applying a magnet near the detector’s integral reed switch. This initiates a self-diagnostic routine and provides visual indication of sensitivity level, or if service is required. The magnet test causes the LED to blink. The number of blink counts corresponds to a smoke detector sensitivity range. This meets NFPA 72 field sensitivity test requirements without the need for external meters.

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Product information

- The chance that a 511C will need maintenance is significantly decreased because of the built-in drift compensation. This feature, usually only available in analog systems, allows the detector to automatically adjust its sensitivity over time as it becomes dirty, increasing the life of the detector. And, if the 511C ever needs cleaning, it’s literally a snap with the patented field replaceable optical chamber.

- The 511C also features an alarm verification feature to further reduce the chance of a nuisance alarm. Normal sensing occurs every 9 seconds. This rate doubles when a signal exceeding the alarm threshold value is sensed. Two additional successive signals above the threshold level will initiate an alarm.

- See installation instructions for information about correct installation and maintenance.

Standard Features

• Self-diagnostics continually monitors detector’s operation and meets NFPA 72 sensitivity test requirements

• Built-in drift compensation reduces nuisance alarms

• Field-replaceable optical chamber makes servicing a snap

• Small, low-profile design blends in with any environment

• Large SEMs type terminals speeds wiring connections while ensuring a secure connection

• Cost effective for the largest installations

Smoke Detector Technology

Most homes have battery operated ionization smoke detectors. These detectors react quickly to flaming fires but usually take longer to detect smoldering fires – the most common type of fire that occurs in homes. Kidde 511C smoke detectors utilize photoelectric smoke detection technology. Photoelectric smoke detectors continually analyze the air for smoke particles and are more sensitive to smoldering fires than ionization detectors. Installing both ionization and photoelectric smoke detectors in your home provides the best possible protection for you and your family.

Specifications

Electrica
Voltage 12/24 VDC (8.5-33 VDC), polarity sensitive
Maximum standby current 70μA
Maximum alarm current 60mA
Minimum reset time 1 sec
Environmental
Photoelectric sensitivity 3.1%+0.5% -1%
Operating temperature 32°F to 100°F (0°C to 37.8°C)
Operating humidity 0-95% non-condensing
Physica
Color White
Detector dimensions 5” x 2” (12 x 5cm)
Base dimensions 4.75” x 0.3” (12.5 x 0.8cm)
Drift compensation adjustment 1%/ft. max
Field wiring size 18-12AWG
Regulations
Listing UL 268, CSFM
UL compatibility identifier S10A

Ordering Information

Model Description Listing
511C Photoelectric Smoke Detector, 2-wire, 12/24VDC, white UL268

Accessories

SM200- 12PKG Smoke! in a Can® aerosol spray for functional testing
SM-EXT 1 Smoke! in a Can® extension tube connects directly to can
211-10PKG Replacement optical chambers (package of 10)

 

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