The Det-Tronics part number 028270-001 refers to the X3301A4N13T2, a model from the X3301 Series Multispectrum Infrared (MIR) Flame Detectors. Here's a detailed breakdown:

 Product Overview: X3301A4N13T2

• Detection Type: Multispectrum Infrared (MIR) flame detection using three IR sensors
• Material: Aluminum housing
• Thread Type: 3/4" NPT
• Output: Relay and 4–20 mA analog signal
• Sensitivity: Medium
• Alarm Delay: De-energized, non-latching
• Auxiliary Relay: Energized, non-latching
• Fault Relay: Energized, non-latching

 Key Features

• False Alarm Immunity: Resistant to sunlight, lightning, hot objects, and arc welding
• Optical Integrity (OI): Automatic and manual testing to ensure sensor health
• Microprocessor-Controlled Heated Optics: Maintains performance in adverse environments
• Data Logging: Built-in event time and date stamping
• Certifications: FM, CSA, ATEX, CE, IECEx, DNV, MED, ULC; EN 54 Part 10 certified