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Home --> FireLite
4 Wire Ionization Smoke Detectors
  • General
  • Feature
  • Specification
The System Sensor 1400 Series direct-wire ionization smoke detectors respond quickly to fast flaming fires as required by UL 268 (a photoelectric smoke detector is faster at detecting slow smoldering fires). The unipolar dualchamber sensor has the sensitivity needed to quickly detect smoke, and the stability needed to avoid false alarms.

• Detects both visible and invisible smoke.

• Used with UL listed control panels.

• Unipolar ionization sensing chamber:– Provides exceptional stability. – Factory-preset 1.9% nominal sensitivity.– Stable operation in air velocities up to 1,200 feet-perminute(7.6 meters per second).

• Removable cover for field cleaning.• Visible LED “blinks” in standby, latches in alarm.

• Sealed against dirt, insects and back pressure.

• Three-year limited warranty.

• Field-metering of detector sensitivity (using MOD400R).

• Built-in test switch.

• Low standby current.

• Built-in tamper-resistant feature.

• Direct surface or electrical box mounting.

• Remote LED option (using RA400Z).

• Insect-resistant screening (0.020""/0.508 mm openings).

• SEMS screws for easy wiring.

Type: four-wire ionization.

Nominal voltage: 1412 @ 12 VDC; 1424 @ 24 VDC.

Standby current consumption (maximum): 100 μA.

Alarm current consumption (maximum): 77 mA for 1412; 41 mA for 1424.

Operating voltage range: 11.3 to 17.3 VDC for 1412; 20 to 29 VDC for 1424.

Visual LED local alarm: yes.

Remote LED annunciator capability: no.

Relay contact ratings, resistive or inductive (60% power factor) load: Alarm contacts (Form-A): 2.0 A @ 30 VAC/ DC. Auxiliary contacts (Form-C): 0.6 A @ 110 VDC; 2.0 A @ 30 VDC; 1.0 A @ 125 VAC; 2.0 A @ 30 VAC.

Size: base diameter: 5.5"" (13.970 cm); cover height: 3.12"" (7.925 cm); cover diameter: 3.3"" (8.382 cm).

Weight: 0.683 pounds (310 grams).

Mounting options: 4"" (101.6 mm) square box (1.5"" [38.1 mm] minimum depth) with plaster ring; 3.5"" (88.9 mm) or 4"" (101.6 mm) octagonal box (1.5"" [38.1 mm] minimum depth); or 50 mm, 60 mm, or 75 mm boxes. Wiring: 12 AWG (3.25 mm²) to 18 AWG (0.75 mm²), twisted-pair recommended.

Operating temperature range: 32°F to 120°F (0°C to 49°C).

Relative humidity: 10% to 93% (non-condensing).

Air velocity rating: 1,200 feet (365.76 m) per minute maximum.

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