System Sensor

System Sensor

SKU: 5602

System Sensor 5602 194F Fixed/Rate-of-Rise Mechanical Heat Detector

Two-wire mechanical heat detector for conventional fire alarm circuits

• Dual fixed/rate-of-rise detection responds to both steady heat and rapid temperature spikes.
• Two-wire conventional circuit at 35VDC connects directly to existing FACP without added modules.
• Mechanical thermal element operates without electronic polling, reducing points of failure.

System Sensor

SKU: 5151

System Sensor 5151 Electronic Low-Profile Plug-In Heat Detector

Low-profile 35VDC heat detector for discrete ceiling/wall mounting

• Operates at 35VDC for direct integration into conventional fire alarm loops.
• Low-profile form factor supports discrete ceiling or wall mounting in tight spaces.
• Thermal detection avoids false alarms in kitchens, loading docks, and mechanical rooms.

System Sensor

SKU: 4WTAR-B

System Sensor 4WTAR-B i3 Series 4-Wire Photoelectric Smoke Detector...

4-wire addressable photoelectric smoke detector for monitored fire systems

• 4-wire addressable protocol enables point ID and real-time status on compatible panels.
• Photoelectric detection reliably identifies smoldering fires and obscuration-based smoke.
• NFC 13.56 MHz credential support allows field configuration and testing without tools.

System Sensor

SKU: 4WITAR-B

System Sensor 4WITAR-B i3 Series 4-Wire Isolated Photoelectric Smok...

4-Wire photoelectric smoke detector for supervised fire alarm loops

• Photoelectric sensing reliably detects slow-burning fires in commercial environments.
• 4-wire supervised loop topology enables real-time feedback and continuous system monitoring.
• Operates at 24 VDC; mounts to standard 3½-inch octagonal back box on wall or ceiling.

System Sensor

SKU: 2WTA-B

System Sensor 2WTA-B i3 Series Photoelectric Smoke Detector with Th...

Dual smoke and heat detection on two-wire 35VDC loop

• Photoelectric and thermal sensing on a single 35VDC two-wire loop simplifies wiring.
• i3 drift compensation reduces false alarms in warehouses, offices, and mechanical rooms.
• Stop-Drop 'N Lock plug-in base enables fast field swap-outs without rewiring terminals.

System Sensor

SKU: 2WT-B

System Sensor 2WT-B i3 Series Photoelectric Smoke Detector with The...

Networked photoelectric smoke detector with TCP/IP and NFC credentials

• Stop-Drop 'N Lock head separates rough-in from trim-out, reducing install labor.
• Built-in drift compensation and smoothing algorithms cut nuisance alarms in dusty spaces.
• Mounts to 3½-inch octagonal, single-gang boxes, or drywall anchors on 35VDC systems.

System Sensor

SKU: 2D51

System Sensor 2D51 InnovairFlex Intelligent Plug-In Duct Detector

Addressable duct smoke detector for HVAC air handling systems

• Addressable communication enables precise device identification on intelligent fire alarm networks.
• Operates at 29VDC across a wide -4°F to 158°F range, supporting demanding HVAC environments.
• Compact 14.38×5×2.5 in plug-in form factor mounts to a standard 4-inch square box, 1.5 in min depth.

System Sensor

SKU: SWHK-P

System Sensor SWHK-P Wall-Mount Strobe White Outdoor

Outdoor wall-mount strobe with 12VDC TCP/IP control for perimeter alarm

System Sensor

SKU: SRHK-P

System Sensor SRHK-P Wall-Mount Strobe Red Outdoor

Red wall-mount strobe, 12VDC TCP/IP, outdoor weatherproof

System Sensor

SKU: SPSCWK

System Sensor SPSCWK Wall-Mount Speaker Strobe White

Wall-mount speaker strobe with TCP/IP networking for emergency alerts

System Sensor

SKU: SCRHK

System Sensor SCRHK Ceiling-Mount High Candela Strobe Red with Marking

Ceiling-mount red strobe for fire alarm with high candela output

System Sensor

SKU: R-14E

System Sensor R-14E 4-Gang SPDT Relay Module with EOL

4-gang SPDT relay module with EOL supervision for access control

• Each of 4 independent SPDT gangs switches up to 10 A at 125/250 VAC.
• EOL supervision on every gang catches open-circuit faults before silent failures occur.
• Operates at 35VDC across –40°F to 158°F, suited for distributed alarm architectures.

System Sensor

SKU: R-10T

System Sensor R-10T Single SPDT Relay Module with Tamper

Single SPDT relay module with tamper detection for networked fire systems

• Switches loads up to 10 A at 125/250 VAC for door strikes and notification devices.
• Rated 35VDC with SPDT contacts (NO/NC/COM) for flexible wiring in fire alarm panels.
• Integrated tamper detection alerts operators to unauthorized module removal or access.

System Sensor

SKU: PC2RHK

System Sensor PC2RHK Ceiling-Mount Horn Strobe Red 2-Wire High with...

2-wire ceiling horn strobe for fire alarm systems at 12VDC

System Sensor

SKU: PC2RH

System Sensor PC2RH Ceiling-Mount Horn Strobe Red 2-Wire High

2-wire ceiling horn strobe, 12VDC, red lens for commercial fire alarm

System Sensor

SKU: P4W-P

System Sensor P4W-P Wall-Mount Horn Strobe White 4-Wire Outdoor

Outdoor 4-wire horn strobe wall mount, 12VDC, white finish

System Sensor

SKU: P2WHK-P

System Sensor P2WHK-P Wall-Mount Horn Strobe White 2-Wire Outdoor

System Sensor

SKU: P2WHK

System Sensor P2WHK Wall-Mount Horn Strobe White 2-Wire High with M...

2-wire wall-mount horn strobe for fire alarm and emergency alerts

System Sensor

SKU: P2RK-R

System Sensor P2RK-R Wall-Mount Horn Strobe Red 2-Wire Device Only

2-wire red horn strobe for fire alarm systems, 12VDC wall-mount

System Sensor

SKU: P2RHK

System Sensor P2RHK Wall-Mount Horn Strobe Red 2-Wire High with Mar...

2-Wire 12VDC wall-mount horn strobe with red lens for fire alarm