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Carlo Gavazzi Three-Phase Monitoring Relays Protect Facilities and Machinery

Carlo Gavazzi has been making monitoring relays since 1956, and are a market leader with their voltage, current and frequency monitoring relays. Their three-phase monitoring relays for voltages up to 690VAC, protect against phase reversal, phase loss and/or under-voltage sags. Some offer adjustable time delays to avoid nuisance trips.

  • Monitoring Relays are typically used to protect pumps, motors, HVACR equipment, elevators/escalators, trams, food and beverage production and dispensing equipment.
  • Devices without an adjustable potentiometer will detect regenerated voltage up to 85% of the nominal voltage (phase-phase).
  • DPA Series: Basic Function Relays perform a single function, i.e. Phase Sequence or Loss, Phase Asymmetry, Under Voltage, etc.
  • DPB Series: Extended Function Relays, which in addition to offering the Basic Function shown above, also offer an adjustable time delay, hysteresis and/or latch function.
  • DPC Series: Full Function Relays, in addition to offering Basic/Extended Function shown above, they also offer two outputs and two adjustable set point, two adjustable time delay and two adjustable hysteresis level potentiometers/settings.
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20 Products

    DPA51CM44 Carlo Gavazzi
    Phase Monitoring Relay - Sequence Failure - DPA51 Series - SPDT - 5 A - DIN Rail - Screw - 250 VAC
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    In Stock: 25
    Can Ship immediately 

    1
    $86.87
    5
    $82.53
    10 +
    $78.40
    DPC01DM44 Carlo Gavazzi
    3-phase Multifunction Monitoring Relay
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    In Stock: 16
    Can Ship immediately 

    1
    $190.58
    3
    $181.05
    5 +
    $172.00
    DPC01DM49400HZ Carlo Gavazzi
    3-phase Multifunction Monitoring Relay
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    In Stock: 12
    Can Ship immediately 

    1
    $202.99
    3
    $192.84
    5 +
    $183.20
    DPA01CM60 Carlo Gavazzi
    3-PHASE MONITORING RELAY REV.1
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    In Stock: 9
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    1
    $154.41
    3
    $152.09
    5 +
    $139.84
    DPB01CM44 Carlo Gavazzi
    3-phase Multifunction Monitoring Relay
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    In Stock: 5
    Can Ship immediately 

    1
    $203.48
    3
    $194.97
    5
    $189.71
    10
    $182.37
    25 +
    $177.81
    DPC71DM48 Carlo Gavazzi
    3-phase Multifunction Monitoring Relay
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    In Stock: 5
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    1
    $286.68
    3
    $265.26
    5
    $261.27
    10
    $253.83
    25 +
    $246.73
    DPA55CM44 Carlo Gavazzi
    3-PHASE MAINS QUALITY RELAY RE
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    In Stock: 3
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    1
    $157.68
    2
    $149.80
    3
    $142.31
    4 +
    $135.19
    DPB02CM44 Carlo Gavazzi
    3-phase Multifunction Monitoring Relay
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    In Stock: 2
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    1
    $219.18
    3
    $209.05
    5
    $202.80
    10
    $194.06
    25 +
    $188.63
    DPC02DM49 Carlo Gavazzi
    3-phase Multifunction Monitoring Relay
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    In Stock: 2
    Can Ship immediately 

    1
    $257.48
    3
    $240.31
    5 +
    $234.07
    DPC02DM44 Carlo Gavazzi
    3-phase Multifunction Monitoring Relay
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    14 Weeks

    1
    $349.97
    3
    $323.81
    6
    $309.86
    12
    $301.19
    27 +
    $292.97