System Sensor Smoke Detector 4W-B

System Sensors i3 (tm) series smoke detectors represent a significant advancement in
conventional detection. The i3 family is founded on three principles: Installation ease,
Intelligence, and Instant inspection.

Product Overview:

The 4W-B is a 4-wire, photoelectric i3 smoke detector.

Plug-in detector line - mounting base included

Large wire entry port

In-line terminals with SEMS screws

Mounts to octagonal and single-gang backboxes, 4-square boxes, or direct to ceiling

Stop-Drop N Lock (tm) attachment to base

Removable detector cover and chamber for easy cleaning

Built-in remote maintenance signaling

Drift compensation and smoothing algorithms

Simplified sensitivity measurement

Wide angle, dual color LED indication

Loop testing via EZ Walk feature

Built-in test switch

Specifications:

Detection: Photoelectric

Wiring: 4-wire

Operating Voltage: 12/24 V non-polarized nominal, 8.5 min. to 35 max.

Maximum Ripple Voltage: 30% of nominal (peak to peak)

Alarm Current: 20mA max. @ 12V, 23mA @ 24V

Standby Current: 50 �A max. avg.

Alarm Contact Ratings: 0.5 A @ 30V AC/DC

Temperature Range: 32� to 120�F (0� to 49�C)

Humidity Range: 0% to 95% RH, noncondensing

Sensitivity: 2.5%/ft. nominal

Wiring Gauge: 14-22 AWG

Dimensions: 2.0" (51mm) H x 5.3" (127mm) Dia.

Weight: 6.3 oz. (178 g)