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Eldes ESIM 251 Global System auto dialler and remote relay

£167.06 Ex VAT
£200.47 Inc VAT

GSM auto dialler and remote relay ESIM251

The main function of the ESIM251 is to operate as a supplement to any control panel. If PGM or Bell is activated, a warning call is dialled and an SMS text message is sent to the preset phone numbers. The user can remotely control any electric equipment switching by a short free of charge call.

System application examples:

 Object security option protects your home 24/7 and instantly informs about unauthorized entry by SMS and call to the cell phone.
 Information about water-supply accident (flood detection) prevents from damaging your personal assets and those of your neighbours in case of accident water overflow from the water-supply system.
 Electrical devices control by SMS or free Call - ability to remote control electrical sauna, water pump, boiler, watering device, switch on or off the lighting, heating and else.
 Sound channel usage option allows the user to hear what’s going on in the secured premises through own cell phone.
 Fire prevention - in case of the first smoke detection system informs you about it by SMS text message or call.

The basic advantage of the GSM system – user’s ability to know what’s happening at their homes, apartments, warehouses, village households and elsewhere when the user himself is anywhere else – another city or even country.


• Built-in GSM/GPRS communicator
• Each input could be assigned to a separate user
• SMS and/or CALLS to 5 authorized users
• Optional Din-Rail plastic enclosure
• 3 ways of configuration: SMS, USB or Internet
• Event Log access by Internet
• Wireless 868Mhz extension (optional)
• Voice messages
TECHNICAL SPECIFICATIONSGSM Modem Frequency: 850/900/1800/1900 MHz 
Power Supply Voltage: 10-24V AC/DC
Inputs: 5
Relay Output: 1 (2 relays output optional)
Output type: NO (relay)
C1 output maximum commutating values: 1A/24V DC; 0,5A/125V AC
Dimensions: 82x63x20mm
Operating Temperature: -20...+55°C (-30...+55°C with limitations)
Event Buffer: 1000
Microphone connector: Yes
Authorized users: 5

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  • Model: ESIM 251
  • Units in Stock
  • Manufactured by: Eldes

This product was added to our catalog on Thursday 01 January, 1970.

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