Phase protection relays

38 companies | 127 products
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differential protection relay
differential protection relay
SIPROTEC 7SD80

... enables fast, selective tripping even if relay communication fails, to protect your power cables and overhead lines. Simplify protection concepts and reduce costs Implement simplified, cost-saving protection ...

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SIEMENS Energy automation and smart grid
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 ...

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    BENDER
    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 ...

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    Littelfuse
    IEC protection relay
    IEC protection relay
    RED615

    ... RED615 is a phase-segregated, two-end, line differential protection and control relay for protection, control, measurement and supervision of overhead line and cable feeders in utility ...

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    ABB Oy Distribution Automation
    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 ...

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    Schweitzer Engineering Laboratories
    phase loss protection relay
    phase loss protection relay
    INGEPAC EF LD

    Tripping current: 1 A - 5 A
    Trigger voltage: 24, 48, 125 V

    ... is a line-differential protection relay for segregated- phase line protection, designed for overhead transmission lines and underground cables across voltage levels. It offers comprehensive ...

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    Ingeteam GmbH
    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
    overload relay
    overload relay
    GL 200

    Tripping current: 60 A - 200 A
    Trigger voltage: 24, 115, 230 V

    ... FANOX integral motor protection relays - gl relay is suitable for 3- phase motors between 60 to 200 A and above. Cable feed is through relay. Its thermal image is reproduced ...

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    FANOX ELECTRONIC
    overload relay
    overload relay
    PF-16R

    Trigger voltage: 400, 440, 230 V

    ... 3- phase by COS φ PF-R does not need level sensors to detected dry running. It is designed for use with 3- phase motors from 1 to 630 A and over. It has a cable feed, visual indicator of the tripping cause, adjustable ...

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    FANOX ELECTRONIC
    phase loss protection relay
    phase loss protection relay
    CRV1-31 series

    Trigger voltage: 300 V - 500 V

    ... CRV1-31 relay switches when the voltage of one of the phases exceeds the minimum or maximum thresholds and in case of phase reversal: - Electrical: CRV1-31: for three- phase network ...

    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 • ...

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    Chongqing Blue Jay Technology Co. Ltd
    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 relay. • ...

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    SELEC Controls Pvt. Ltd.
    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
    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.
    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 ...

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    Grup Arge Energy and Control Systems
    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 sequence protection relay
    phase sequence protection relay
    PVR series

    Trigger voltage: 150 V - 416 V

    ... The phase sequence and phase failure protector trip relay is designed to monitor the correct phase rotation or sequence of a three- phase supply system. ...

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    Crompton Instruments
    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
    three-phase protection relay
    three-phase protection relay
    LXPRC/S

    Trigger voltage: 110, 208, 380, 400, 415 V

    ... for the output relay to energise, all phases must be present, the phase sequence correct and the phase to phase voltages within the set Under/Over trip levels. If any ...

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    Broyce Control
    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 ...

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    Mors Smitt BV
    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 ...

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    Tense Electronic
    motor protection relay
    motor protection relay
    RX series

    Tripping current: 1 A - 2,000 A
    Trigger voltage: 0 V - 600 V

    ... RX Motor Protection Relay Take your motor protection to a new level. The RX Series provides more than just solid state overload or power protection relays. By using ...

    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 sequence protection relay
    phase sequence protection relay
    RZ1FK116

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    EMAS
    overload relay
    overload relay
    Ex9RD11.5A0.16

    Tripping current: 11.5 A

    ... Features • Rated current up to 630 A at 600 Vac, 50/60 Hz • Overload protection trip Class 10 A • Phase loss sensitivity • Adjustable current setting for overload protection • Automatic or manual ...

    voltage protection relay
    voltage protection relay
    EPPC02

    Tripping current: 10 A
    Trigger voltage: 250 V

    ... Single and three phase protection Phase failure (loss phase) protection Phase sequence protection Adjustable voltage protection Over ...

    phase protection relay
    phase protection relay
    FMFK series

    phase protection relay
    phase protection relay
    Polarr

    ... functions through measuring the 3- phase and residual currents. The operations is conducted through the use of CTs. The unit is placed in the GVR and carry out auto-reclosing over current. It provides sensitive earth fault protection. ...

    phase protection relay
    phase protection relay
    ETR500 F/M/T/D

    ... -Intellectual Protection Relay for Switchgear -Selectable application by use of protection functions ㆍETR500-T: Transformer Protection ㆍETR500-F: Feeder Protection ...

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    ENTEC ELECTRIC & ELECTRONIC CO.,LTD
    overload relay
    overload relay
    MBS series

    ... The MBS Series, manufactured by Vostermans Ventilation, is a motor protective circuit breaker that is suitable for eliminating the need for a motor reload relay. It is equipped with a rated current of 0,4 up to 25 amperes ...

    phase protection relay
    phase protection relay
    KCC101x series

    Trigger voltage: 100 V - 480 V

    ... KCC101x Series KCC101x - SINGLE PHASE OVERCURRENT GUARD Single Phase Overcurrent Protection with Definite Time Trip Delay Two individually setable overcurrent ...

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    Meagacon AS
    overload relay
    overload relay
    RMP-112D

    Tripping current: 8 A
    Trigger voltage: 250 V

    ... The RMP-112D is a protective overload and reverse power relay for generator and prime mover protection. Protection against overload is crucial in setups where the prime mover is under-dimensioned ...

    overload relay
    overload relay
    3T series

    Tripping current: 3 A - 40 A

    ... designed to protect three phase induction motors With rated power up to 2.2 kW ( 3.0 HP ) against overload and locked rotor conditions up to 37A for each phase. AUTOMATIC RESET: Main application is protection ...

    phase loss protection relay
    phase loss protection relay
    TPM5

    Tripping current: 5 A

    ... Protection relay against overload, underload, and phase loss. With display. Codes and references - 10002217 TPM5-230 - 10002218 TPM5-400 - 10002451 TPM5/5-230 - 10002452 TPM5/5-400 Specifications - ...

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    Toscano Linea Electronica
    phase sequence protection relay
    phase sequence protection relay

    ... Product overview
    The Simpedil Phase Control and Sequence Relay is a compact electromechanical/electronic device designed to verify phase sequence and detect phase loss for three- phase ...

    earth-leakage protection relay
    earth-leakage protection relay
    MRM4

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    AWF
    earth-leakage protection relay
    earth-leakage protection relay
    MRA4

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    AWF
    phase protection relay
    phase protection relay
    MRDT4

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    AWF
    current protection relay
    current protection relay
    S91

    Tripping current: 0 A - 16 A
    Trigger voltage: 220 V - 415 V

    ... single- phase or three- phase measurement, maximum current range 5 or 16 A, operation with or without PTC. Available model for 230V power supply (S91), and model for 380V power supply (S91-400). Main applications: - ...

    voltage protection relay
    voltage protection relay
    CMC 500

    ... CMC 500 - Modular, multi- phase protection relay test set and commissioning tool ...

    three-phase motor pump protection relay
    three-phase motor pump protection relay
    SubMonitor

    ... latest innovation in 3- phase pump protection from Franklin Electric. Using state-of-the-art technology, the SubMonitor provides the ultimate protection for a pump and motor. There is simply no better ...

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