Phase unbalance protection relays

17 companies | 45 products
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voltage protection relay
voltage protection relay
PCS-902S

... six-zone phase-to-ground distance protection (21L)

  • Pilot distance and pilot directional earth-fault protection (85)
  • Power swing blocking/releasing logic (PSBR)
  • Multi-stage phase
  • ...

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    NR Electric
    phase unbalance protection relay
    phase unbalance protection relay
    LINETRAXX® VMD423

    Trigger voltage: 0 V - 500 V

    ... feed-in points. The device detects undervoltage/overvoltage, underfrequency/overfrequency, asymmetry, phase failure and phase sequence. An alarm relay operates within ≤ 80 ms when configured limit values ...

    overload relay
    overload relay
    MP8000 series

    Trigger voltage: 90 V - 690 V

    ... The MP8000 is an advanced motor protection electronic overload relay that is fully programmable via Bluetooth* using an iPhone* or Android* smartphone or tablet with the Littelfuse App. It is easy to use and arc-flash ...

    voltage protection relay
    voltage protection relay
    SEL-749M

    ... and cyclic overload currents. The relay offers all basic motor protection features, including short-circuit, load loss, load jam, and frequent-starting protection as well as imbalance current and phase ...

    over-voltage protection relay
    over-voltage protection relay
    SIL-C

    Trigger voltage: 24 V - 230 V

    ... SIL-C FEEDER & GENERATOR PROTECTION RELAY High Accuracy and Reliability in a compact device The SIL-C Relay protects Feeders and Equipment and includes comprehensive current, voltage, and frequency ...

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    FANOX ELECTRONIC
    over-voltage protection relay
    over-voltage protection relay
    SIU-C

    Trigger voltage: 24 V - 230 V

    ... SIU-C represents the best and most precise protection solution for transformers and electrical machines in high, medium, and low-voltage distribution systems. The SIU-C is a voltage and frequency protection relay ...

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    FANOX ELECTRONIC
    feeder protection relay
    feeder protection relay
    SIL-S LPIT

    ... SIL-S LPIT Feeder Protection We continue introducing new protection relays with comprehensive protection capabilities and a complete range of functions for switchgear in industrial and ...

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    FANOX ELECTRONIC
    earth-leakage protection relay
    earth-leakage protection relay
    FPC 200

    Tripping current: 0.3 A - 30 A

    ... FPC 200 is a family of current or voltage digital protection relays with easy to use interface meant for variety of solutions in industry and power distribution. Its robust design enables it to be placed in demanding ...

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    Iskra d.d.
    over-current protection relay
    over-current protection relay
    MPR-3M series

    Tripping current: 10, 80, 40 A
    Trigger voltage: 415, 230 V

    ... • Monitors: Phase loss, Phase unbalance, Phase sequence, Overload trip current, Under / Over current • Suitable for 1Ø or 3Ø motors. • Accuracy: 5% of set value. • 2 C/O (DPDT) output ...

    grid and system protection relay
    grid and system protection relay
    NA003-M64

    Trigger voltage: 24, 110 V

    ... Grid protection monitoring relay RE series; Frequency and voltage monitoring; Grid and system protection; Functionally Safe; Measuring voltage 3 x 400/230V AC; Supply voltage 24V DC, 110-240V AC; 3 CO ...

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    TELE Haase Steuergeraete GmbH
    under-voltage protection relay
    under-voltage protection relay
    PR 240

    Tripping current: 5 A
    Trigger voltage: 250 V

    ... intelligent motor protection relay provides comprehensive protective, monitoring, and control functions for low-voltage motor protection. Feature of PR240 intelligent motor management relay • ...

    phase loss protection relay
    phase loss protection relay
    FAZ series

    ... devices used to prevent the motors from being damaged by overheating due to the lack of phase or voltage imbalance and to prevent the problems that may arise from the phase sequence error. There are different models working ...

    phase unbalance protection relay
    phase unbalance protection relay
    MS2P49

    ... sensitive earth fault protection, the MS2P49 relay using solid state techniques, can be applied to detect earth currents down to 0.5% of the CT nominal current. The MS2P49 relay is a phase ...

    digital protection relay
    digital protection relay
    DFK-05F

    Trigger voltage: 380 V

    ... Digital Asymmetry Adjutable Phase Failure Relay with 3×3 Digit LED Display Features The phase protection relays are designed to protect the three- phase ...

    motor protection relay
    motor protection relay
    MPR-100

    ... of additional specific protection functions for motor industrial applications. Its versatility makes it the perfect solution for oil & gas, minery and all heavy-duty environments. Applications Metering & protection ...

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    Orion Italia
    phase loss protection relay
    phase loss protection relay

    ... ensuring start-up and cause the system to trip. ENTES Phase Failure (Motor Protection) Relays offer the perfect solution to these defects. They are designed to impart 100% efficient protection ...

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    ENTES
    over-voltage protection relay
    over-voltage protection relay
    SM 500

    ... Controls, is an under voltage and overvoltage protection relay that functions as a protection against phase loss and phase reversal. This device is capable of being configured ...

    phase unbalance protection relay
    phase unbalance protection relay
    LPMR/AUX

    ... Specification • Monitoring function: Phase Unbalance, Sequence + Loss • Monitored supply voltage: 190 – 600VAC • Phase unbalance loss/threshold: 67.5V +/- 2.5V* • Phase ...

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    Broyce Control
    earth-leakage protection relay
    earth-leakage protection relay
    MRM4

    earth-leakage protection relay
    earth-leakage protection relay
    MRA4

    earth-leakage protection relay
    earth-leakage protection relay
    MCDTV4

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