NB 338 4

NB 338 4 is a 4-wire conventional optical smoke detector designed for early detection of smoke in a wide variety of indoor environments. Its photoelectric sensing method ensures reliable response to slow-developing fires.

Main Features

• 4-wire connection providing extended functionality.
• Optical photoelectric detection for high sensitivity.
• Reduced susceptibility to false alarms caused by dust or air movement.
• Integrated LED indicator for device status.
• Low-profile housing suitable for many installation areas.
• Contamination compensation for stable long-term performance.

Applications

This detector is suitable for residential, commercial and industrial locations requiring reliable early smoke detection.

Technical Summary

• Detection type: optical (photoelectric).
• Connection: 4-wire system.
• Mounting: ceiling installation with a compatible base.