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Mains Powered Smoke Alarms & Heat Alarms with Alkaline Back-up Battery - Aico Ei140 Series

4.9 out of 5 stars
From: £22.79 inc VAT
£18.99 ex VAT
Product Overview

The Ei140RC series of mains powered smoke and heat alarms conform with BS 5839 Part 6 Grade D2, as required for extensions, 2 storey HMOs and small businesses. Supplied with an alkaline back up battery and an "easi-fit" base, the Ei140RC series can be interlinked using 3 core and earth cable. This means when one alarm is activated, it triggers all the other interlinked alarms and sounds those ones too. The Ei140 series succeeds the discontinued Ei130 series smoke alarms.

  • Ionisation and optical smoke alarms Kitemarked to BS EN 14604: 2005
  • Heat alarm Kitemarked to BS 5446-2: 2003
  • Suitable for installations complying to BS 5839-6: 2019 Grade D2
  • 230V AC Mains powered with alkaline back up battery
  • Available in three versions:
    • Ionisation smoke alarm (Ei141) for fast-flaming fires - used on landings, offices
    • Optical smoke alarm (photo-electric) (Ei146), responds faster to smouldering fires - used in bedrooms, living rooms, hallways
    • Heat alarm (Ei144)- used in kitchens and garages
  • Test/Hush button facility
  • Ei140 series alarms can be interlinked with cable (or wireless if purchased with with radio-interlink base)
  • 5 year guarantee
  • This is the latest Ei140"RC" series of detectors - now capable of interlinking with the Ei1529RC remote control switch
  • Alkaline battery supplied is already connected to reduce installation errors (does not draw power until fitted to the mounting plate) - Can be upgraded with lithium longlife battery
  • Please note: Alarms sold separately
  • This alarm is also suitable for the updated 2022 Scottish legislation for fire alarms in homes
Interlink

The table below shows all the units that can interlink with the EI140 series.

Smoke and Heat Alarms

Model Number
Type of Unit
Type of Interlink
Ei3014 / Ei3014RF Mains Powered Heat Alarm - Sealed Lithium Hardwire Interlink
Ei3016 / Ei3016RF Mains Powered Optical Smoke Alarm - Sealed Lithium Hardwire Interlink
Ei3024 / Ei3024RF Mains Powered Optical & Heat Alarm - Sealed Lithium Hardwire Interlink
Ei3028 / Ei3028RF Mains Powered Heat & Carbon Monoxide Alarm - Sealed Lithium Hardwire Interlink
Ei2110e / Ei2110eRF Mains Powered Multi Sensor Smoke & Heat Alarm - Sealed Lithium Hardwire Interlink
Ei161e / Ei161eRF Mains Powered Ionisation Smoke Alarm - Sealed Lithium Hardwire Interlink
Ei164e / Ei164eRF Mains Powered Heat Alarm - Sealed Lithium Hardwire Interlink
Ei166e / Ei166eRF Mains Powered Optical Smoke Alarm - Sealed Lithium Hardwire Interlink
Ei141 / Ei168RC141RC Mains Powered Ionisation Alarm - 9V Alkaline Hardwire Interlink
Ei144 / Ei168RC144RC Mains Powered Heat Alarm - 9V Alkaline Hardwire Interlink
Ei146 / Ei168RC146RC Mains Powered Optical Smoke Alarm - 9V Alkaline Hardwire Interlink

Carbon Monoxide Alarms

Model Number
Type of unit
Type of interlink
Ei3018 / Ei3018RF Mains Powered Carbon Monoxide Alarm - Sealed Lithium Hardwire Interlink
Ei3028 / Ei3028RF Mains Powered Heat & Carbon Monoxide Alarm - Sealed Lithium Hardwire Interlink
Ei261 Mains Powered Carbon Monoxide Alarm - Sealed Lithium Hardwire Interlink

Ancillary Products

Model Number
Type of unit
Type of interlink
MCP401RC Mains Powered Manual Call Point Hardwire Interlink
Ei1529RC Mains Powered Locate, Silence & Test Control Switch Hardwire Interlink
Ei159 Mains Powered Smoke Alarm Locator Switch Hardware Interlink
Ei128R Mains Powered 5A Relay Module Hardwire Interlink
Ei128RBU Mains Powered 5A Relay Module with Lithium Backup Battery Hardwire Interlink
Y03 Mains Powered Multi Frequency Sounder Hardwire Interlink (via relay)
SAB300C Mains Powered Flashing Xenon Strobe (Clear) Hardwire Interlink (via relay)
SAB300R Mains Powered Flashing Xenon Strobe (Red) Hardwire Interlink (via relay)

Wiring Explained

Mains powered Ei Electronics smoke and heat alarms require a 230V AC power supply and up to 12 alarms can be hardwire interlinked in one system.

To obtain a mains power supply, each alarm can be connected to the nearest lighting circuit using 2 core and earth cable with a separate, dedicated interlink cable connecting all alarms. However, if possible it is recommended that the alarms are all powered from a dedicated circuit from the distribution board using 3 core and earth cable for safety during maintenance, as the interlink cable will carry power from live alarms on other power circuits. Please see the diagram below:-

Wiring Mains Powered Alarms

Technical Data
Product Code
Ei141 Ionisation Smoke Alarm EI141RC
Ei146 Optical Smoke Alarm EI146RC
Ei144 Heat Alarm EI144RC
Brand EI Electronics
Back-Up Battery

9V Alkaline

Dimensions (HxDia)

Ionisation: 40x145mm

Optical: 50x152mm

Heat: 52x145mm

Operating Temperature

0 to 40°C

Relative Humidity

15% to 95% Relative Humidity

Sound Output

85dB

Weight

EI141RC: 0.305kg

EI146RC: 0.345kg

EI144RC: 0.281kg

Product Datasheets
FAQs (9)
Q. Do you need an electrician to connect mains powered smoke alarms?
A.

It is necessary that an electrician installs mains powered smoke alarms.

Q. What sort of smoke alarm system would I need to install for a HMO?
A.

BS 5839-6 recommends that one or two storey HMOs with an individual floor area of no more than 200sqm (not the total of both floors) should have a Grade D smoke alarm system installed. Grade D refers to mains powered smoke alarms with a back up battery power supply. The alarms can be interlinked either by wire or by radio signal and the system does not require a separate fire alarm panel. For HMOs of 3 storey or higher, a Grade A panel system would need to be installed. This can cover the whole of the building, or can be used just for the communal areas with a separate Grade D system installed for the individual dwellings. For both applications, the level of cover should be a minimum of LD3 (in all escape routes) but this may change according to the fire risk assessment.

Q. Can the mains powered smoke alarm range be connected to mains power via the lighting circuit?
A.

Yes, hard-wired mains powered alarms can be wired to the unswitched live feed of the nearest frequently used lighting circuit.

Q. Can I link a CO detector with a Ei140 smoke alarm?
A.

Yes, we recommend the Ei261EN. You should also install a Ei159 locator to allow you to find out if the alarm was triggered by CO gas or by fire.

Q. How do you wire in the Ei140/Ei160 series of smoke alarms?
A.

To wire the units correctly you would use 2 core and earth cable to the first unit and 3 core and earth to the interconnected units. The alarms do not have to be earthed but a brass screw connector is provided so that the earth can be safety terminated.

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Pricing & Availability

Model Stock Price
Ei141 Ionisation Smoke Alarm
Product Code: EI141RC
Stock Level:
More than 20 in stock Expected dispatch: Today
Price:

£22.79 inc VAT

£18.99 ex VAT

Ei146 Optical Smoke Alarm
Product Code: EI146RC
Stock Level:
More than 20 in stock Expected dispatch: Today
Price:

£29.99 inc VAT

£24.99 ex VAT

Ei144 Heat Alarm
Product Code: EI144RC
Stock Level:
More than 20 in stock Expected dispatch: Today
Price:

£35.51 inc VAT

£29.59 ex VAT

Delivery Options

The following delivery options are available on this product.

Economy Delivery

£4.79 inc VAT - Orders will be delivered in 3-5 working days by Hermes

Express Delivery

£7.91 inc VAT - Orders will be delivered in 1-2 working days by Hermes

Customer Reviews

40 customers have given this product an overall rating of 4.9 out of 5

Reviews by real customers

All of our product reviews are written by real customers that have purchased this product from us and are published without modification.

Rating: 5 / 5 Stars

Reviewed by: J S

Seems to be working well

Published on: 22nd July 2018

Rating: 5 / 5 Stars

Reviewed by: J C

very good quality

Published on: 19th July 2018

Rating: 5 / 5 Stars

Reviewed by: A Z

Replacement for the same unit which had stopped working. An easy change.

Published on: 30th January 2018

Rating: 5 / 5 Stars

Reviewed by: L M

Great product and very easy to install.

Published on: 30th October 2017

Rating: 5 / 5 Stars

Reviewed by: R P

Quality and peace of mind

Published on: 8th September 2017

Rating: 5 / 5 Stars

Reviewed by: R L

Good service and product

Published on: 21st June 2016

Rating: 5 / 5 Stars

Reviewed by: K T

Replacement for expired alarms, easy to install in existing base.

Published on: 15th May 2016

Rating: 5 / 5 Stars

Reviewed by: L G

Good for the required job

Published on: 8th May 2016

Rating: 5 / 5 Stars

Reviewed by: K B

does what its supposed to do

Published on: 24th April 2016

Rating: 5 / 5 Stars

Reviewed by: D W

Good replacement for old failing units. Easily fitted into existing base.

Published on: 13th March 2016

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