Three-phase relay PRI-53

    • FOR MONITORING THE CURRENT IN THREE-PHASE DEVICES
    • 2 FUNCTIONS:

    A)    UNDER – MONITORS THE DROP IN THE STRENGTH OF CURRENT BELOW THE PRESET VALUE I.
    B)    OVER – EXCEEDING THE PRESET VALUE I.

    • ADJUSTABLE CURRENT LEVEL IN % OF IN:.
    • FIXED DIFFERENCE LEVEL
    • ADJUSTABLE DELAY LEVEL (WHEN EXCEEDING THE PRESET LIMIT)).
    • OPTION OF CONNECTING VIA THE CURRENT TRANSFORMERS TO INCREASE THE VALUE OF THE MONITORED CURRENT BY UP TO 600 A.

• It is intended for monitoring the current in three-phase devices (e.g.
cranes, motors, etc.).
• 24 – 240 V AC/DC power supply galvanically separated from the circuit
of the monitored current.
• Adjustable current level in % of In.
• Fixed difference level.
• Adjustable delay level (when exceeding the preset limit).
• Adjustable function:
– UNDER – monitors the drop in the strength of current below the
preset value (I).
– OVER – exceeding the preset value (I).
• 2 types depending on the strength of rated current In (1 A, 5 A).
• 6-MODULE, DIN rail mounting.
• Output relay with 2 changeover contacts.
• Option of connecting via the current transformers to increase the
value of the monitored current by up to 600 A.

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