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Mains RadioLINK Relay - Ei428Product Overview
The Ei428 RadioLINK Relay Module is a device that switches a relay upon receipt of an alarm signal from a suitable Ei smoke/heat alarm. The electrically isolated contacts can be used for many applications such as signalling, turning on lights, etc. The Ei428 is designed to operate with all Ei radio-interlinked products (Ei168RC, Ei605 series, Ei407, Ei410 & Ei411, as well as the Ei3100 series)
- Mains powered relay module
- 5 year warranty
- Wireless interconnect with up to 12 other units
- RF range 150 metres (minimum) in free space
- Green LED Mains Indicator Light
- Uniquely coded to work with one system only
- Low power cell warning in the event of a cell failure
- Rechargeable Lithium Cell Back-up
- Supplied complete with blank cover
The table below shows all the units that can interconnect with the EI428 relay.
Compatible AlarmsModel NumberType of unitType of interconnection
Ei3100RF Ionisation Smoke Alarm Radio-interlinked Ei3103RFU Heat Radio-interlinked Ei3105RF Optical Smoke Alarm Radio-interlinked Ei605TYCRF Optical Alarm Radio-interlinked Ei603TYCRF Heat Alarm Radio-interlinked Ei168RC/Ei141 Ionisation Smoke Alarm Radio-interlinked using the Ei168RC base Ei168RC/Ei144 Heat Alarm Radio-interlinked using the Ei168RC base Ei168RC/Ei146 Optical Smoke Alarm Radio-interlinked using the Ei168RC base Ei168RC/Ei161RC Ionisation Alarm Radio-interlinked using the Ei168RC base Ei168RC/Ei164RC Heat Alarm Radio-interlinked using the Ei168RC base Ei168RC/Ei166RC Optical Alarm Radio-interlinked using the Ei168RC base Ei168RC/Ei2110 Multi Sensor Smoke & Heat Alarm Radio-interlinked using the Ei168RC base Product Code EI428 Brand EI Electronics Dimensions (HxDia)
Weight 0.18kgQ. How can I add an external siren to a Ei radio-frequency smoke alarm system?A.
Use a mains powered RF relay Ei428 to operate a main powered sounder ACY03. The RF relay is capable to pick up the signals of any RF smoke/heat alarm from Ei Electronics/Aico.
Pricing & Availability
Model Stock Price Product Code: EI428 Stock Level:12 in stock Expected dispatch: 18th Oct Price:
£65.35 inc VAT
£54.46 ex VAT
The following delivery options are available on this product.
2 customers have given this product an overall rating of 4.5 out of 5
Reviews by real customersAll of our product reviews are written by real customers that have purchased this product from us and are published without modification.
Rating: 4 / 5 Stars
Great product, easy to install.
Published on: 3rd November 2013
Rating: 5 / 5 Stars
Used this to link into the existing DSC alarm
Published on: 27th June 2012
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