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    Monitoring Relays

    (a.k.a. protective relays, phase monitor, power monitoring relays, phase sequence/failure relay, level monitoring, voltage monitor relay, over/under voltage relay)

    Monitoring relays are protective devices that detect or monitor one or more of the following; phase sequence or failure, frequency, over/under voltage, level, power or current. Once an issue is detected the relay will initiate the proper action.
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    Items 1-12 of 35

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    1. Core Balance Transformer, 35mm Opening 1:1000 Rati
      Core Balance Transformer, 35mm Opening 1:1000 Rati CTG035
      $56.95
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    2. Current Transformer, Single Phase with 0.5 - 5 AAC
      Current Transformer, Single Phase with 0.5 - 5 AAC MI5
      $105.40
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    3. Motor Thermistor Monitor Relay,22.5mm,2 Relay Out
      Motor Thermistor Monitor Relay, 22.5mm, 2 Relay Ou DTA04DM24
      $106.25
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    4. Monitoring Relay, 3-Phase, 208-415VAC, 8A, SPDT, P
      Monitoring Relay, 3-Phase, 208-415VAC, 8A, SPDT, P PPA01CM44
      $130.90
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    5. Monitoring Relay, DC Under Voltage, SPDT
      Monitoring Relay, DC Under Voltage, SPDT, 8-28VDC, DUA52C724
      $130.90
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    6. Monitoring Relay, 3-Phase, 125-624V, 17.5mm Width
      Monitoring Relay, 3-Phase, 208-480V, 17.5mm Width, DPA52CM44
      $136.85
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    7. Current Transformer, Single Phase with 10 - 100 AA
      Current Transformer, Single Phase with 10 - 100 AA MI100
      $139.40
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    8. Monitoring Relay, 3-Phase, 208-480VAC, 8A, SPDT
      Monitoring Relay, 3-Phase, 208-480VAC, 8A, SPDT, D DPA01CM44
      $155.55
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    9. Monitoring Relay, Single Phase, 2-20AAC, Self-Powe
      Monitoring Relay, Single Phase, 2-20AAC, Self-Powe DIA53S72420A
      $159.80
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    10. Monitoring Relay, 3-Phase, 208-480VAC, 5A, SPDT
      Monitoring Relay, 3-Phase, 208-480VAC, 5A, SPDT, 1 DPA51CM44
      $188.70
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    11. Monitoring Relay, 3-Phase, 125-624V, 17.5mm Width
      Monitoring Relay, 3-Phase, 208-480V, 17.5mm Width, DPB52CM44
      Manufacturer Minimum Order 5 Pieces
      $200.80
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    12. Monitoring Relay, 3-Phase+N, 380-480VAC, 8A, SPDT,
      Monitoring Relay, 3-Phase+N, 380-480VAC, 8A, SPDT, DPB01CM48
      $277.95
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    Monitoring Type
    1. Current 5 items
    2. Frequency 1 item
    3. Motor Thermistor 1 item
    4. Phase Monitoring 16 items
    5. Voltage Monitoring 4 items
    6. See Spec 8 items
    Voltage
    1. AC 1 item
    2. 24VDC 2 items
    3. 24-48 VAC/DC 1 item
    4. 24-240VAC 2 items
    5. 24-240VAC/DC 1 item
    6. 48V AC/DC 1 item
    7. 120/240VAC 4 items
    8. 208 to 480VAC 4 items
    9. 208/240VAC 3 items
    10. 220-400V 1 item
    11. 380-480VAC 4 items
    12. 380-600VAC 1 item
    13. 600V 1 item
    14. See Spec or N/A 1 item
    Phase
    1. Single Phase 11 items
    2. Three Phase 14 items
    3. See Spec or N/A 10 items
    Poles
    1. 1 Pole 1 item
    2. SPDT 25 items
    3. DPDT 1 item
    4. See Spec or N/A 8 items
    Amp Rating
    1. 5 Amp 3 items
    2. 8 Amp 3 items
    3. 100 Amp 1 item
    4. See Spec 28 items
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