Ionisation Smoke Alarm. 12V-24V with Alkaline Battery Back-up. Interconnectable. Built-in 1A Relay

The Ei181 Ionisation Smoke Alarm runs on a 12V to 24V variable DC power, and has a 9V Alkaline battery back-up. The alarm gives a fire warning when adequate smoke enters the alarm.

The alarm is supplied with an easi-fit base that allows quick and simple installation of the smoke alarm head. The easi-fit base automatically connects both the mains power and battery as the alarm slides on.

The alarm has a pair of built-in Volt free relay contacts (i.e. can be used to switch into a burglar panel).

The alarm has other advanced features such as built-in circuitry to aid suppression of voltage transients and RF interference to further reduce the chances of false alarms under such conditions.

Features

• 12-24V DC Powered
• 9V Alkaline battery back-up
• Ionisation chamber sensor, best for fast flaming fires (e.g. paper, clothing)
• Volt-free Relay contacts supplied
• easi-fit Base
• Advanced supression and calibration technology
• Interconnect up to 12 alarms
• Built-in Test/Hush button
• Piezoelectric horn
• Battery removed indicator
• Low battery audible warning
• Kitemarked to BS EN 14604:2005
• 5 Year Guarantee

Specification

Sensor Type:        Ionisation

RA Source:           Americium-241

Supply Voltage:    10.5 to 30 V DC

Battery Back-up:  9V Alkaline battery

Relay Contacts:    Volt free, Common/NO/NC

Horn:                      Piezoelectric

Sound Level:        85 dB(A) at 3 meters

Temperature:       Operating - 0°C to 40°C  /  Storage - 0°C to 35°C (in a dry area)

Humidity Range: 0% to 90% Relative Humidity

Button Test:          Simulates the effect of smoke and checks chamber, electronics and horn

Self Test:               Smoke chamber and battery is automatically tested every 40 seconds

Indicator LED’s:   Green - Power On  /  Red - Alarm and Fault event

Plastic material:   UL94HB flame retardant

Dimensions:         Product - 145mm x 55mm

Weight:                  383g (including packaging)

Fixing:                    Screw fixings supplied

Warranty:               5 year (limited) warranty

Approvals:             Kitemarked to 522831  /  BS EN 14604:2005

Specifications are subject to change