Cooper FXN533 (CPD321) Conventional Optical Smoke Detector

Cooper FXN533 (CPD321) Conventional Optical Smoke Detector

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AED 205.00

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The Cooper FXN533 (CPD321) Conventional Optical Smoke Detector is a photoelectric smoke sensor designed for conventional fire alarm systems. Operating on the light-scattering principle, it features automatic drift compensation, a 360-degree visual LED indicator, and a remote indicator output to provide rapid detection of smoldering fires while reducing nuisance alarms.

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Description

The Cooper FXN533 (part number CPD321 / MPD821) is a conventional optical-photoelectric smoke detector engineered for early fire detection in commercial, industrial, and residential premises. Utilizing a light-scattering optical sensing chamber, the detector continuously monitors ambient air to quickly register slow-smoldering fires. It features built-in automatic drift compensation to dynamically adjust chamber sensitivity, preventing false alarms caused by airborne dust or insect ingress over time. Equipped with a 360-degree light-pipe visual status LED for immediate alarm visibility and built on a compact, low-profile white enclosure, the FXN533 integrates seamlessly with standard Cooper, Eaton, Menvier, and JSB conventional detector bases

Features

  • Smoldering Fire Optimization: Engineered around light-scattering optical sensing to ensure rapid response to slow-burning, smoldering fires generating large visible smoke particles.
  • 360-Degree Light Pipe Visibility: Features an omnidirectional LED status indicator using light-pipe geometry for clear visual indication from any angle.
  • Removable Chamber & Drift Compensation: Includes automated drift compensation and a clip-out optical chamber for straightforward cleaning and maintenance.
  • Integrated Base Locking Device: Incorporates a mechanical locking mechanism in the mounting base to prevent unauthorized removal of the detector head without a specialized tool. Here is a summary of the core specifications, installation details, and common applications for the Cooper / Eaton FXN533 (part number CPD321) Conventional Optical Smoke Detector.

Specifications

  • Brand Name: Eaton / Cooper Safety (JSB / Menvier)
  • Detector Model: FXN533 / CPD321 / MPD821 (Conventional Optical Smoke Detector)
  • Detection Mechanism: Optical / Light-Scattering Sensing Principle
  • Operating Voltage: 15V DC to 30V DC
  • Standby Current: 30 µA maximum
  • Alarm Current: 25 mA maximum
  • Operating Temperature: -20°C to +60°C
  • Operating Humidity Range: 0% to 93% RH (Non-condensing)
  • Ingress Protection Rating: IP40
  • Enclosure Material: Flame-Retardant PC / ABS Plastic (White finish)
  • Physical Dimensions: 101 mm Diameter x 33 mm Height (101 mm x 45 mm with base)
  • Product Weight: 76 g (detector head only)
  • Certifications: LPCB Approved, EN 54-7 Certified, CE Marked

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