Advanced GSM gateway and remote relay ESIM252

GSM dialler with 2 relay outputs – ESIM252

GSM dialler with 2 relay outputs

eldesalarms_com_product_esim252 (1)


5 users
Audio notifications
Reports to alarm center and owner
5 inputs, 2 relay outputs



What is ESIM252?

ESIM252 is an advanced GSM gateway and remote relay. This device can be connected to any panel with PGM outputs and electrical appliances, where inputs need to be triggered.

ESIM252 lets create distinct scenarios for each input, output, or command you send. Direct call and SMS from/to mobile phone, and transmits standard protocols to alarm receiving center.

How ESIM252 works?

ESIM252 monitors up to 5 inputs, notifies up to 5 users (including alarm receiving center), according to pre-configured settings/scenario.

It also lets users and alarm receiving centers remotely control its relay outputs: switch electrical appliances, reboot systems, activate controllers.

ESIM252 can expand smoke detection, flood and similar systems as GSM communicator, dialer.

Where to use ESIM252?

Communicator for control panels

Remote electrical appliances management

Fire and flood prevention

Rebooting computer systems

Main features

  • 5 users
  • 5 inputs
  • 2 relay outputs
  • Input matrix routing
  • Audio messages
  • Pulse counter
  • Configuration: USB, SMS, GPRS (Eldes configuration tool)
  • Control: SMS, Voice Call

Download ESIM252 manual

ESIM252 User Manual v2.1

Updated on 2015.05.13



GMS modem frequency 850/900/1800/1900 MHz
Power supply voltage 10-24V AC/DC
Inputs 5
Relay output 2
Output type NO (relay)
C1 output maximum commutating values 1A/24V DC; 0,5A/125V AC
Event buffer 1000
Microphone connector Yes
Authorized users 5
Ways of configuration SMS, USB, Internet
Operating temperature -20…+55°C (-30…+55°C with limitations)
Dimensions 82×63×20mm