Current monitoring relay PRI-51

  • • It serves for monitoring of heating in rail-switches, heating cables,
    consumption of one-phase motors, indicates current fl ow
    • Flexible adjustment by potentiometer, choice of 7 ranges: AC 0.05 –
    0.5 A; AC 0.1 – 1 A; AC 0.2 – 2 A; AC 0.5 – 5 A; AC 0.8 – 8 A; AC 1 – 10 A;
    AC 1.6 – 16 A
    • Adjustable delay 0.5 – 10 s to eliminate short current peaks
    • It is possible to use for current scanning from current transformer
    – up to 600 A!
    • Universal supply AC 24 – 240 V and DC 24 V
    • Supply is galvanically separated from measured current, it must be in
    the same phase
    • Output contact: 1x changeover / SPDT 8 A
    • 1-phase, 1-MODULE, DIN rail mounting
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• Current transformer is a part of the product. Inside this transformer
there is a wire which senses the volume of fl owing current.
• This construction reduces thermal stress of product when compared
with conventional solutions with inbuilt shunt, and increases current
range up to 20 Amps, and galvanically separates monitored circuit.
• For heating bars in sliding rails, heating cables, indication of current
fl ow, controlling of 1-phase motor consumption…
• Universal supply AC 24 – 240 V and DC 24 V.
• Supply is galvanically separated from measuring current.
• Current exceeding – current fl owing through monitored wire must not
exceed 100 A.
• Output contact: 1x changeover / SPDT 8 A.
• Clamp terminals.
• 1-phase, 1-MODULE, DIN rail mounting.

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