NB 323 4

NB 323 4 is a dependable conventional heat detector designed for fire alarm systems. It activates when the ambient temperature reaches a defined threshold and is suitable for environments where smoke detectors may not perform effectively.

Main Features

• 4-wire connection compatible with most conventional fire panels.
• Fixed-temperature detection.
• Thermistor-based sensing for accurate heat measurement.
• Stable performance with resistance to false alarms.
• Compact, low-profile housing.
• Suitable for residential, commercial and industrial installations.

Applications

The detector is commonly used in areas exposed to smoke, steam or dust, such as kitchens, boiler rooms, storage areas, workshops and parking garages.

Technical Summary

• Detection type: fixed temperature.
• Operating voltage: 12 V DC.
• Mounting: ceiling installation with compatible base.