Aico EI146E Optical Smoke Alarm

The Ei146e Optical Smoke Alarm is a mains-powered device designed for quick and reliable smoke detection. It features an easy-fit base that simplifies installation and a proven optical sensor chamber for fast response to slow smouldering fires. The alarm operates from 230V AC with a 9V alkaline battery back-up, and includes separate mains and warning LED indicators. It is kitemarked to BS EN14604:2005 and comes with a 5-year guarantee. With an 85 dB(A) audible alert at 3 meters, this model also provides a built-in test function, hush control for false alarms, and compatibility with interconnects in the Aico EI Series for coordinated protection across multiple devices. An insect screen (1.0 mm mesh) helps prevent debris from entering the sensor chamber, supporting long-term reliability. The unit can be remotely tested, located, and silenced, and it supports interconnection with other NIC-style devices to enhance safety in larger installations.

Features

• Optical sensor for quick smouldering-fire detection
• Mains powered (230V AC) with 9V alkaline battery back-up
• Easy-fit base for quick installation
• 85dB(A) at 3m with test/hush functions
• Insect screen (1.0 mm mesh) protects the chamber
• Interconnects with other EI Series mains alarms

Technical specifications

• Supply Voltage: 230V AC, 50Hz
• Indicators: Green – Power / Red – Alarm or fault
• Compliance: BS EN14604:2005
• Sound level: 85dB(A) at 3m
• 5 year guarantee
• Button Test simulates smoke and checks chamber, electronics and horn