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The Ei140e series of mains powered smoke and heat alarms are supplied with an alkaline back-up battery and "easi-fit" base plate, conforming with BS 5839-6: 2019. A system of 12 alarms can be hardwire interlinked by using 3 core and earth cable. Once interlinked when one alarm is activated, this in turn triggers all other connected alarms and sounds the whole system. The Ei140e series succeeds the discontinued Ei130 series smoke and heat alarms.
The table below shows all the units that can interlink with the EI140e 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:-
Product Code |
Ei146e Optical Smoke Alarm: EI146E Ei144e Heat Alarm: EI144E |
---|---|
Brand | EI Electronics |
Back-Up Battery | 9V Alkaline |
Dimensions (HxDia) | Optical: 47 x 148mm Heat: 60 x 148mm |
Operating Temperature | 0 to 40°C |
Relative Humidity | 15% to 95% Relative Humidity |
Sound Output | 85dB |
Weight | EI146E: 0.345kg EI144E: 0.281kg |
Product Datasheets |
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.
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.
Yes, the new Ei3000 series is fully backward compatible and will work directly with the the Ei140 series base. Both the power supply and the interlink with any remaining Ei140 alarms will continue to work with your new Ei3000 alarm.
BS 5446-1:2000 was withdrawn in 2008 and replaced by BS EN 14604:2005 to conform with European standards. All of our alarms containing a smoke detector (smoke only, smoke & heat, smoke & CO) are fully compliant with BS EN 14604:2005. They also comply with any other relevant standards relating to their other detection capabilities.
The RC just refers to "Remote Control" as the unit can be fitted to a radio-frequency base for interconnection. The model hasn't changed but the manufacturers changed the product code slightly in reference to this.
Model | Stock | Price |
---|---|---|
Ei146e Optical Smoke Alarm Product Code: EI146E |
Stock Level:
More than 20 in stock Expected dispatch: Today
|
Price:
£40.55 inc VAT £33.79 ex VAT |
Ei144e Heat Alarm Product Code: EI144E |
Stock Level:
19 in stock Expected dispatch: Today
|
Price:
£44.03 inc VAT £36.69 ex VAT |
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44 customers have given this product an overall rating of 4.9 out of 5
Rating: 5 / 5 Stars
Reviewed by: R H
Easy to wire and fit and reasonably priced.
Published on: 24th December 2023
Rating: 5 / 5 Stars
Reviewed by: A S
Worked well when tested. It should have a 10 year battery as standard. How much more is it going to cost with it? Better have it installed and charge a few Pounds more. The electrician fitted mine and handed me the 10 year batteries saying %u201Cyou have some spare batteries%u201D
Published on: 15th July 2022
Rating: 5 / 5 Stars
Reviewed by: A S
Worked well when tested. It should have a 10 year battery as standard. How much more is it going to cost with it. Better have it installed and charge a few Pounds more. The electrician fitted mine and handed me the 10 year batteries saying %u201Cyou have some spare batteries%u201D
Published on: 15th July 2022
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