Ei146RC Optical Smoke Alarm

The Ei146RC is an Optical Smoke Alarm with 230V AC mains power supply and 9V alkaline battery back-up. It is ideal for location in the hallways and living rooms.

  • Photoelectric sensor
  • 230V AC supply with 9V battery back up
  • Easi-fit base
  • Hardwire interconnect
  • Remote Test, Locate and Silence compatible
  • Large Test/Hush button
  • Memory feature
  • Integrated piezoelectric sounder 

EN 14604:2005

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The Ei146RC Optical Smoke Alarm is fitted with a proprietary photoelectric sensor to quickly sense low energy smoke particles from smoldering fires. Powered by 230V AC with a 9V user replaceable Alkaline battery backup to ensure continuous operation (up to 3 years) in the event of a power failure.

The Alarm is supplied with the "Easi-fit" base to facilitate quick and simple installation, combined with easy detector head removal and replacement. The Easi-fit base automatically connects both mains power and battery as the detector head slides on.

The Ei146RC may operate as a standalone Alarm or may be interconnected via hardwire to communicate with compatible Ei Alarms and accessories.  Up to 12 devices can be interconnected.  Interconnecting the Ei146RC with the Ei1529RC enables the user to Locate, Silence and Test the Alarms remotely.

The Alarm self-checks its sensor, battery voltage and internal circuitry  every 40 seconds. A fault condition will be indicated by a short beep every 40 seconds.               

The large Test and Hush button allows the user to check the operation of the Alarm. This will check the sounder, battery voltage and internal circuitry.  

The memory feature allows an Alarm that has previously activated to be easily identified. This is indicated by 2 red led flashes every 40 seconds for 24 hours (after the event).

Sensor: Photoelectric
Supply voltage: 230V AC. 50Hz
Battery back-up: Replaceable 9V alkaline battery back up
Sound level: 85 dB(A) at 3m
Button Test: Checks sensors, electronics and horn
Visual indicators:
Green LED: Power
Red LED: Self-check, alarm, hush & memory
(if red LED is flashing while unit is beeping, the battery is faulty,
if red LED is not flashing & unit is beeping, sensor is faulty)
Memory feature: 2 red flashes every 40 sec to indicate a previous alarm activation
Normal Operating and Storage Temperature Range: -10°C to 40°C
Normal Operating and Storage Humidity Range: 15 % to 95 % Relative Humidity
(non-condensing)
Plastic material: UL94VO flame retardant
Fixing: Screw fixings and mounting plate supplied
Dimensions: Product: 150mm x 50mm
Package: 180mm x 155mm x 62mm
Weight: Product: 354g
Product + Packaging: 408g
Warranty: 5 years

Product Manual

Product Datasheet