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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 PRODUCT RESULTS FOR ""

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20 Products

    DPC02DM49
    Data Sheet
    DPC02DM49 Carlo Gavazzi
    3-Phase Star-Delta True RMS Monitoring Relay, Sequence and Phase Loss, Over/Under Voltage/Frequency, 2 SPDT Relay ...
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    On Order: 1
    Ships 11/19/26
    1
    $252.43
    3
    $245.42
    6
    $241.73
    12
    $238.11
    21 +
    $234.54
    DPA01DM48
    Data Sheet
    DPA01DM48 Carlo Gavazzi
    3-Phase Delta Monitoring Relay, Sequence and Phase Loss, 2 SPDT Relay Outputs, IP20, DIN-rail mounting, Measuring ...
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    On Order: 25
    Ships 11/12/26
    1
    $112.49
    5
    $104.78
    10
    $101.47
    20
    $99.81
    50
    $98.16
    DPB01CM48
    Data Sheet
    DPB01CM48 Carlo Gavazzi
    3-Phase Star-Delta True RMS Monitoring Relay, Sequence and Phase Loss, Over/Under Voltage, 1 SPDT Relay Output, I ...
    VIEW PRODUCT
    In Stock: 1
    Can Ship immediately 
    On Order: 5
    Ships 11/12/26
    1
    $178.66
    5
    $166.41
    10
    $161.16
    20
    $158.53
    50
    $155.52
    DPA51CM44
    Data Sheet
    DPA51CM44 Carlo Gavazzi
    3-Phase Delta Monitoring Relay, Sequence and Phase Loss, 1 SPDT Relay Output, IP20, DIN-rail mounting, Measuring ...
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    In Stock: 17
    Can Ship immediately 
    1
    $97.76
    5
    $91.95
    10 +
    $86.95
    DPC01DM23400HZ
    Data Sheet
    DPC01DM23400HZ Carlo Gavazzi
    3-Phase Star-Delta True RMS Monitoring Relay, Asymmetry, Tolerance, Sequence and Phase Loss, Over/Under Voltage, ...
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    In Stock: 5
    Can Ship immediately 
    3
    $203.64
    6
    $196.70
    12
    $194.64
    21
    $191.77
    51
    $188.44
    DPC01DM23
    Data Sheet
    DPC01DM23 Carlo Gavazzi
    3-Phase Star-Delta True RMS Monitoring Relay, Asymmetry, Tolerance, Sequence and Phase Loss, Over/Under Voltage, ...
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    In Stock: 4
    Can Ship immediately 
    3
    $151.86
    6
    $149.58
    12
    $147.33
    21
    $145.12
    51
    $142.95
    DPA01CM44
    Data Sheet
    DPA01CM44 Carlo Gavazzi
    3-Phase Delta Monitoring Relay, Sequence and Phase Loss, 1 SPDT Relay Output, IP20, DIN-rail mounting, Measuring ...
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    In Stock: 50
    Can Ship immediately 
    1
    $119.10
    5
    $110.94
    10
    $107.91
    20
    $107.64
    50
    $103.59
    DPA01CM60
    Data Sheet
    DPA01CM60 Carlo Gavazzi
    3-Phase Delta Monitoring Relay, Sequence and Phase Loss, 1 SPDT Relay Output, IP20, DIN-rail mounting, Measuring ...
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    In Stock: 4
    Can Ship immediately 
    1
    $155.02
    3
    $153.50
    5 +
    $142.42
    DPC71DM48
    Data Sheet
    DPC71DM48 Carlo Gavazzi
    3-phase Multifunction Monitoring Relay
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    In Stock: 2
    Can Ship immediately 
    1
    $336.49
    3
    $325.91
    5
    $312.50
    10
    $310.72
    25 +
    $309.06
    DPC01DM69
    Data Sheet
    DPC01DM69 Carlo Gavazzi
    3-Phase Star-Delta True RMS Monitoring Relay, Asymmetry, Tolerance, Sequence and Phase Loss, Over/Under Voltage, ...
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    On Order: 9
    Ships 11/12/26
    1
    $347.65
    3
    $334.83
    6
    $321.09
    12
    $315.94
    21 +
    $310.79