Product Overview

System Sensor i3 sounder and relay smoke detectors apply the guiding principles of installation ease, intelligence, and instant inspection in a series of specialty conventional devices. Throughout the i3 series, installation is simple with its installer-friendly base and plug-in design. The base accommodates a broad range of back box and direct mounting options and provides ample space for pre-wiring the device. To complete the installation, the i3 detector plugs into its base with a simple Stop-Drop ‘N Lock action.

Main Features

85 dB sounder
Form C relay
Isolated thermal sensor
Plug-in design (base included)
In-line terminals
Simplified sensitivity measurement
Stop-Drop ‘N Lock attachment to the base
Removable cover and chamber
Remote maintenance signaling
Drift compensation and smoothing algorithms

Specifications
Part Number	4WTR-B	Product Model	4WTR-B	Product Name	i3 4WTR-B Smoke Detector	Product Series	i3	Product Type	Smoke Detector
Technical Information
Connectivity Technology	Wired	Detectable Medium	Smoke	Sensing Technology	Photoelectric	Sensor Type	Photoelectric
Battery Information
Alarm Decibels	85
Controls/Indicators
Status Indicators	Alarm, LED
Environmental Conditions
Operating Relative Humidity (H-H)	0-95%	Operating Temperature (T-T)	0-37.8 deg C
Physical Characteristics
Color	White	Form Factor	Ceiling Mount	Height	2"	Weight (Approximate)	7.05 oz
Power Description
Input Voltage	35V DC
Product Information
Diameter	5.3"
Warranty
Limited Warranty	3 Year
Miscellaneous
Additional Information	Heat Sensor: 135°F (57.2°C) fixed	Features	85 dB sounder, Drift compensation and smoothing algorithms, Dual-color LEDs, Flexible mounting options, Form C relay, In-line terminals, Isolated thermal sensor, Plug-in design (base included), Remote maintenance signaling, Removable cover and chamber, Simplified sensitivity measurement, Stop-Drop N Lock attachment to the base	Package Contents	i3 4WTR-B Smoke Detector
	Sensitivity: 2.5%/ft. nominal				Mounting Base

Weight	0.44 lbs

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