Central Alarm Cabinet

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The cabinet with central alarm unit is designed for central emergency/warning sound and light signaling at power facilities equipped with microprocessor and electromechanical protection devices. Includes one unit and can serve as a lower-level SCADA device for power plants/substations. Designed for industrial environments.

Alarm System Organization:

Section 1;
Section 2;
Section 3.

Cabinet Functions:

  • Processes signals from 3 alarm/warning busbars (up to 30 simultaneous signals per busbar);
  • Individual device signal processing;
  • Signal decoding via LEDs, LCD display (version 01 adds indicator lamps);
  • Telemetry signal generation;
  • System health monitoring and self-diagnostics;
  • Event logging;
  • Data transmission via communication lines.

 

Technical Specifications: 

Parameter Value
Current type (frequency) DC/AC, 50Hz
Rated current 2A
Operational voltage 220V, DC
Auxiliary circuit voltage 220V AC
Operational circuit insulation 500V
Auxiliary circuit insulation 500V
Protection rating (IP) IP31
Internal separation Type 1
Functional block connections FFF

Cabinet Components:

    • Lighting and power outlets; 
    • Alarm circuit power supply;
    • Central busbar voltage monitoring;
    • Central alarm unit power;
    • Common alarm circuits;
    • Output circuits;
    • Central alarm busbars;
    • Section 1-3 alarm circuits.

Design and Operation:

Grounded metal enclosure (OPTIMA frame, RAL7035) with dual access - transparent front door and solid rear door. Features:

    • Bottom cable entry;
    • Side terminal rows for external connections;
    • Front panel controls;
    • Corrosion-protected powder coating;
    • Flame-retardant insulation.

Complies with ST RK GOST R 51321.1-2010 (IEC 60439-1-92).