System Sensor PR-1 Multi-Voltage Conventional Relay, Epoxy E
$30.65In stock
- ย Single-pole double-throw relays
- Red LED as a visible indication of relay coil energization
Showing 3361–3376 of 12706 results
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System Sensor LENS-A Lens for Indoor or Outdoor Wall Mount S
$25.52In stock
- Easily turns any device into a strobe for ECS/MNS events: severe weather, toxic gases, sprinkler activation and more
- Outdoor rated from -35ยฐF to 151ยฐF
- UL 1638 listed
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System Sensor LENS-AC2 L-Series Lens for any Indoor Ceiling-
$27.07Only 6 left in stock
- Easily turns any device into a strobe for ECS/MNS events: severe weather, toxic gases, sprinkler activation and more
- Outdoor rated from -35ยฐF to 151ยฐF
- UL 1638 listed
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System Sensor D4120W Watertight 4-Wire Photoelectric Duct Sm
$304.91In stock
- NEMA Type 4 UL listed for non-hazardous indoor and outdoor applications
- 4-Wire Photoelectric, integrated low-flow technology
- UV Resistant, UL listed housing and cover materia
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System Sensor SBBCRL Universal Ceiling Surface Mount Back Bo
$35.45In stock
L-Series Surface Mount Back Boxes are the best solution in locations where you have a hard surface to mount to
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System Sensor A77-AB2 i3 Retrofit Adapter Ring
$18.80Only 2 left in stock
System Sensor A77-AB2 i3 Retrofit Adapter Ring
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System Sensor LENS-B2 L-Series Lens for Indoor Wall-Mountabl
$24.96In stock
- Easily turns any device into a strobe for ECS/MNS events: severe weather, toxic gases, sprinkler activation and more
- Outdoor rated from -35ยฐF to 151ยฐF
- UL 1638 listed
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System Sensor WBB Weatherproof Back Box for SSM/SSV Bells, R
$43.99In stock
- Eliminates the need for excessive wiring to reduce tripping hazards
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System Sensor SPRL L-Series Indoor SelectableOutput Speaker,
$48.31In stock
- Wall Mounting
- Indoor Location
- Frequency Range 400 to 4000 Hz
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System Sensor SPSWL-CLR-ALERT L-Series Indoor Speaker Strobe
$93.73In stock
- Plug-in design and protective cover reduce ground faults
- Universal mounting plate with an onboard shorting spring tests wiring continuity before installation
- Field selectable candela settings on wall units: 15, 30, 75, 95, 110, 135, 185
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System Sensor DST1 Metal Sampling Tube Duct Width Up to 1ft
$21.49In stock
System Sensor DST1 Metal Sampling Tube Duct Width Up to 1ft (0.3m)
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System Sensor PC2RHK SpectrAlert Advance Outdoor SelectableO
$100.34In stock
- Weatherproof per NEMA 4X, IP56
- Listed for ceiling or wall mounting
- Tamper-resistant construction
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System Sensor SPWK SpectrAlert Advance Outdoor Speaker, Wall
$84.53Only 2 left in stock
- Wall Mounting
- Outdoor Location
- 25 Volts or 70.7 Volts (nominal)
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System Sensor 4WITAR-B 4-wire, Photoelectric i3 Smoke Detect
$94.16In stock
- Isolated Thermal Sensor
- Built-In Sensor
- Form C Relay
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System Sensor SPSCWK SpectrAlert Advance Speaker Strobe, Cei
$139.17In stock
- Selectable Candela (15, 15/75, 30, 50, 75, 95, 100, 115 cd)
- Outdoor Location
- Ceiling Mounting
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System Sensor SBBCWL Universal Ceiling Surface Mount Back Bo
$35.68In stock
- L-Series Surface Mount Back Boxes are the best solution in locations where you have a hard surface to mount to.
