แสดงบทความที่มีป้ายกำกับ 4wire แสดงบทความทั้งหมด
แสดงบทความที่มีป้ายกำกับ 4wire แสดงบทความทั้งหมด

วันศุกร์ที่ 13 พฤษภาคม พ.ศ. 2554

UTC Fire & Security 449CSRT SMOKE DET PHOTO SELF-DIAG 4-WIRE 12 HT 24V RLY sndr Posts

UTC Fire & Security 449CSRT SMOKE DET PHOTO SELF-DIAG 12 24V 4-wire-HT RLY sndr



The ESL 449/448 Series self-diagnostic, monitoring four-wire smoke detectorscontinually their own sensitivity and operational status, andprovide a visual indication when trouble comes not in a position rangeor internal diagnostic sensitivity.


List Price: $ 53.00
Price: $ 53.00

วันอังคารที่ 12 เมษายน พ.ศ. 2554

วันพฤหัสบดีที่ 7 เมษายน พ.ศ. 2554

GE 4-wire Photoelectric Smoke Detector

GE 4-wire Photoelectric Smoke Detector






The ESL 500 Series self-diagnostic, two- and four-wire photoelectric smoke detectors are the industry's first conventional direct-wire smoke detectors with analog features such as drift compensation, multi-criteria detection and remote maintenance/trouble reporting (CleanMe). The 500 Series continually monitor their own sensitivity and operational status, and provide a visual indication if they drift out of the sensitivity range or fail internal diagnostics. The 521 Series also can send a si




List Price: $ 49.50

Price: $ 49.50

วันเสาร์ที่ 26 มีนาคม พ.ศ. 2554

The system sensor smoke 4WB 4-wire photoelectric

4WB System Sensor 4-wire photoelectric smoke detector



  • plug-in detector line, including the base
  • Large wire entry port
  • terminals in accordance with SEMS screws
  • Supports
  • octagonal boxes and integrated module , integrated 4-square boxes, or directly to a ceiling
  • Stop-Drop 'N Lock attachment to the base

  • Plug-in detector and cable assembly including basic connections with a wide entrance door wire line in SEMS screws with mounts in single gang and cans octagonal doses of 4-space, or directly to the ceiling mounting Stop-Drop 'N Lock-based detector device and the camera for easy cleaning and maintenance of integrated remote control signal drift and smoothing algorithms to improve the sensitivity functions, easy-to-wide angle, two-color LED display can be prevented using wi-Loop Test


    List Price: $ 35.99
    Price: $ 29.99