Gas Detector Alarm Interface Board
PCA interfacing toxic gas sensors with building alarm systems for audible/visual warnings. Classified under 8531.90.3000 as printed circuit parts of fire/burglar alarm apparatus. Relay outputs for horn/strobe activation.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If complete gas detection instruments
Finished gas/smoke detectors with PCA go to Chapter 90 analysis instruments.
If fire protective alarm sounders
Gas alarm sounder assemblies complete classify under fire alarms.
If PLC interface modules
Industrial process control alarm boards under programmable controllers.
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Import Tips & Compliance
• NFPA 72 fire alarm system compatibility documentation required
• Specify gas types detected and relay contact ratings
• Complete gas detectors classify under 9027.10 gas analysis apparatus
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