Smart 3D Multipoint Sensor Detector GSA-PHS

Manufacture: kidde
Product code: GSA-PHS .

✅ The Signature Series Model GSA-PHS Intelligent 3D Multisensor Detector ⭐
✅ gathers analog information each of its two fire sensing elements (photoelectric and heat) and converts it digital signals. The detector’s on-board microprocessor measures and analyzes these signals separately with respect to a third element - Time. We call this technology 3D. It compares the information to historical readings, time patterns, and several known fire characteristics to make an alarm decision. Digital filters remove signal patterns that are not typical of fires. Unwanted alarms are virtually eliminated.


Consulting hotline: 0944934114
Product information

Standard Features

• Integrates photoelectric smoke and 135 º F (57 º C) fixed-temperature heat sensing technologies

• Non-volatile memory

• Automatic device mapping

• Electronic addressing

• Environmental compensation

• Integral microprocessor - intelligent detector

• Wide 0.67% to 3.77%/ft. sensitivity range

• Twenty pre-alarm sensitivity values, set in 5% increments

• Identification of dirty or defective detectors

• Automatic day/night sensitivity adjustment

• Twin RED/GREEN status LEDs

• Standard, relay, fault isolator, and audible mounting bases

• Designed and manufactured to ISO 9001 standards


Signature Series detectors mount to North American 1-gang boxes, 3-1/2 inch or 4 inch octagon boxes, and to 4 inch square electrical boxes 1-1/2 inches (38 mm) deep. They mount to European BESA and 1-gang boxes with 60.3 mm fixing centers.

Smart 3D Multipoint Sensor  Detector GSA-PHS .


Although photoelectric detectors have a wide range of fire sensing capabilities they are best suited for detecting slow, smoldering fires. The table below shows six standard test fires used to rate the sensitivity of smoke and heat detectors. The table indicates that no single sensing element is suited for all test fires. Kidde recommends that this detector be installed according to latest recognized edition of national and local fire alarm codes.


Smoke Sensing Element Photoelectric - Light Scattering Principle
Heat Sensing Element Fixed Temperature Alarms at 135ºF (57ºC) Ambient
Operating and Storage Environment Operating Temp: 32ºF to 100ºF (0ºC to 38ºC) Storage Temp: -4ºF to 140ºF (-20ºC to 60ºC) Humidity: 0 to 93% RH, Non-Condensing
Sensitivity Range ULI/ULC - 0.67% to 3.77%
User Selected Alarm Sensitivity Settings Most Sensitive: 1.0%/ft. More Sensitive: 2.0%/ft. Normal: 2.5%/ft. Less Sensitive: 3.0%/ft. Least Sensitive: 3.5%/ft
Pre-alarm Sensitivity 5% increments, allowing up to 20 pre-alarm settings
Operating Voltage 15.2 to 19.95 Vdc (19 Vdc nominal)
Operating Current Quiescent: 45µA @ 19 V. Alarm: 45µA @ 19 V. Pulse Current: 100 µA (100 msec). During Communication: 9 mA maximum
Construction & Finish High Impact Engineering Polymer - White
Compatible Mounting Bases GSA-SB Standard Base, GSA-RB Relay Base, GSA-IB Isolator Base, GSA-AB4, GSA-AB4G Audible Bases
LED Operation On-board Green LED - Flashes when polled . On-board Red LED - Flashes when in alarm. Compatible Remote Red LED (model GSA-LED) Flashes when in alarm.
Compatibility Use With: Signature Loop Controller
Address Requirements Uses one Device Address
Agency Listings UL, ULC, CSFM, MEA
UL Listed Spacing 30 ft

Ordering Information

Catalog Number Description Ship Wt. lbs (kg)
GSA-PHS Intelligent 3D Multisensor Detector - UL/ULC Listed .5 (.23)


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