The Det-Tronics part number 028132-001 refers to the X3301A4N15W2, a model from the X3301 Series Multispectrum Infrared Flame Detectors. Here's a detailed overview:

 Product Overview: X3301A4N15W2

• Detection Type: Multispectrum Infrared (MIR) flame detection
• Sensor Configuration: Three IR sensors with advanced signal processing
• Explosion-Proof Rating: Certified for Division and Zone hazardous areas
• Applications: Suitable for both indoor and outdoor use in high-risk environments like oil & gas, chemical processing, and aerospace

 Key Features

• False Alarm Immunity: High resistance to sunlight, lightning, hot objects, and arc welding
• Output Options:
  • Fire, fault, and auxiliary relays
  • Isolated 0–20 mA output
  • Optional HART communication
• Optical Integrity (OI): Built-in automatic and manual testing to ensure sensor health
• Status LED: Tri-color LED for local indication of normal, alarm, or fault conditions