Digital protection relays

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thermal protection relay
thermal protection relay
SIPROTEC 7SX800

... 7SK82 and the SIPROTEC 7SK85 motor protection have been designed specifically for the protection of motors of all sizes. For the protection of generators and power-plant units the SIPROTEC 7UM85 generator ...

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SIEMENS Energy automation and smart grid
over-frequency protection relay
over-frequency protection relay
PCS-902

... )

  • Stub overcurrent protection (87STB) and broken conductor protection (46BC)
  • Switch-onto-fault (SOTF) logic and unique power swing blocking/releasing logic (PSBR)
  • Out-of-step protection
  • ...

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    NR Electric
    power protection relay
    power protection relay
    REB611

    ... Scope • Busbar and ideal multipurpose backup protection relay Product benefits • Preconfigured functions for busbar protection application • The relays are delivered preconfigured ...

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    ABB Oy Distribution Automation
    over-current protection relay
    over-current protection relay
    CGI 14N/C

    ... CGI 14N/C is a numerical over current and earth fault relay, entirely digitized and integrated with microprocessor technology. This allows for analog to digital conversion of the valves and then their ...

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    CG Power Systems
    phase unbalance protection relay
    phase unbalance protection relay
    LINETRAXX® VMD423

    Trigger voltage: 0 V - 500 V

    ... average over 10-minute interval; relay activation ≤ 80 ms at limit values

  • Outputs: two separate alarm relays (changeover contacts)
  • User functions: adjustable delays and hysteresis; password protection;
  • ...

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    BENDER
    earth-leakage protection relay
    earth-leakage protection relay
    EL731 series

    Trigger voltage: 120, 240, 24, 48 V

    ... The EL731 series relay operates on ac resistance-grounded systems and dc grounded systems. This unit is a microprocessor-based ac, dc, sensitive, earth-leakage relay that offers complete coverage for all frequencies from ...

    recloser control protection relay
    recloser control protection relay
    INGEPAC DA PT5

    Tripping current: 1 A - 5 A

    ... br> Key features

    • Control and automation functions for reclosers and sectionalizers
    • Configurable protection logic and event recording for fault analysis
    • Communication interfaces for SCADA integration (protocols
    ...

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    Ingeteam GmbH
    over-current protection relay
    over-current protection relay
    SEL-311L

    ... Line Current Differential Relay with integral four zone distance backup for easy-to-apply, high-speed line protection. Apply subcycle current differential protection with included four zone distance ...

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    Schweitzer Engineering Laboratories
    earth-leakage protection relay
    earth-leakage protection relay
    RGU-100A

    Tripping current: 0.03 A - 30 A

    ... communications The RGU-100A offers smart residual current protection. Thanks to its design characteristics, this device provides the most complete type-A protection to ensure the safety of people ...

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    CIRCUTOR
    frequency protection relay
    frequency protection relay
    WRU10

    Trigger voltage: 230 V

    ... Residual current protection parameters. Protection trip current. Protection status messages, etc. Unit with three programmable contact output relays, one switched ...

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    CIRCUTOR
    earth-leakage protection relay
    earth-leakage protection relay
    RGU-10

    Tripping current: 0.03 A - 30 A
    Trigger voltage: 230 V

    ... Electronic residual current protection relay of the WG series, connected to the external transformers of the WG / WGC series. Superimmunized type relay with high frequency currents filtering ...

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    CIRCUTOR
    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 ...

    feeder protection relay
    feeder protection relay
    SIR-A

    Tripping current: 1 A - 5 A
    Trigger voltage: 24 V - 230 V

    ... SIR-A Overhead Control / RTU & Feeder Protection The Fanox SIR-A is the Relay that offers the complete solution for Recloser Control and Feeder Protection with current, voltage, and frequency. 4 ...

    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 ...

    current protection relay
    current protection relay
    ELR-8V series

    Tripping current: 0.03 A - 30 A
    Trigger voltage: 24 V - 415 V

    ... Earth leakage relay with 2 operation thresholds, flush mount. External CT. Fault current measurement. Digital display. Fail safe. Flag indicator. • Earth leakage relay type A • 2 output relays ...

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    Contrel elettronica
    1 NO/NC protection relay
    1 NO/NC protection relay
    ELR-D2-V series

    Tripping current: 0.03 A - 30 A
    Trigger voltage: 110 V

    ... Earth leakage relay with 2 operations threshold, flush mount 72x72mm. External CT. ...

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    Contrel elettronica
    current protection relay
    current protection relay
    ELR

    Tripping current: 0.03 A - 10 A

    ... Earth leakage relay type B, 2 operating thresholds, modular with display, external toroid, auxiliary supply 230VAC ...

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    Contrel elettronica
    earth-leakage protection relay
    earth-leakage protection relay
    DER4B/2D

    Tripping current: 0.03 A - 30 A
    Trigger voltage: 48 V - 400 V

    ... Din modules Dossena presents the DER4B range, the new generation of type B differential toroid relays. DER4B is recommended for electrical protection in the tertiary sector, where devices that generate alternating, ...

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    DOSSENA
    earth-leakage protection relay
    earth-leakage protection relay
    DER4B/2I

    Tripping current: 0.03 A - 30 A
    Trigger voltage: 48 V - 400 V

    ... Recessed 96x96mm Dossena presents the DER3B range, the new generation of type B differential toroid relays. DER3B is recommended for electrical protection in the tertiary sector, where devices that generate alternating, ...

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    DOSSENA
    earth-leakage protection relay
    earth-leakage protection relay
    DER4/1D

    Tripping current: 0.03 A - 30 A
    Trigger voltage: 48 V - 400 V

    ... The residual current relays of the DER4 Dossena range can be used on LV networks in alternating current of the TT and TN type. They make it possible to achieve adequate selectivity and differential protection thanks ...

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    DOSSENA
    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 ...

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    Iskra d.d.
    arc flash protection relay
    arc flash protection relay
    VAMP 321

    ... Programmable operation zones Communication protocol support for SCADA and automation interfacing Supports maximum 6 Digital Inputs and 8 Digital Outputs for object (CB) status and control (order option dependent) ...

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    Vamp
    feeder protection relay
    feeder protection relay
    PAS900 series

    ... circuit protection, inlet wire auto-input protection, capacitor proteciton, distribution transformer proteciton, motor differential protection, motor comprehensive protection and voltage ...

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    Hangzhou Huning Elevator Parts Co., Ltd.
    overload relay
    overload relay
    LC 200

    Tripping current: 0.5 A
    Trigger voltage: 24 V

    ... The LC 200 accessories electronic overload guard features a power supply that ranges from 12 to 24V AC or DC. It consists of a red LED six-digit display placed on the top of the device. It mounts on a DIN rail and uses ...

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    Pavone sistemi
    over-voltage protection relay
    over-voltage protection relay
    900VPR-BL-U-CE

    Tripping current: 3, 5 A
    Trigger voltage: 50 V - 500 V

    ... • 3 phase RMS voltage protection relay • Monitors: Over / Under Voltage, Over / Under Frequency, Phase asymmetry, Phase failure, Phase sequence & Neutral loss • Accuracy: ± 1% of Voltage, ± 0.3Hz • Measuring range ...

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    SELEC Controls Pvt. Ltd.
    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 ...

    voltage protection relay
    voltage protection relay
    RM3C

    ... Direct and pulsanting voltage or current relay Wall mounting Bidirectional direct or pusating voltage or current relay 2 Min. and / or Max. programmable alarms Input voltage 50mV... 200mV Input current 1...20mA Programmable ...

    arc flash protection relay
    arc flash protection relay
    AFR-4

    Trigger voltage: 85 V - 265 V

    ... detection relay is a versatile and independently operating device for bay based protection. It supports 4-channels arc signal detection and can configuration multiple arc tripping modes, ensuring accurate and fast fault ...

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    Chongqing Blue Jay Technology Co. Ltd
    voltage protection relay
    voltage protection relay
    MSAR5

    ... application of digital techniques to protection relay technology. The requirement for highly reliable control relay elements does however remain and often constitutes a significant cost ...

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    Mors Smitt BV
    over-current protection relay
    over-current protection relay
    XMR-A

    ... fault recording • 64 sample for cycle measurement for accuracy of protection element COMMUNICATION SECURITY Communication Security through redundancy protocol and Cyber Security ...

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    THYTRONIC
    digital protection relay
    digital protection relay
    FKD-01F

    Trigger voltage: 380 V

    ... Digital Phase Failure Relay with 3×3 Digit LED Display Features The phase protection relays are designed to protect the three-phase loads from damage caused by mains ...

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    Tense Electronic
    level protection relay
    level protection relay
    MC Line

    ... DIGITAL RELAYS FOR PROTECTION, MONITORING AND CONTROL The MC line has been designed to offer to the market a very competitive protective relay responding to the latest ...

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    Microelettrica
    phase protection relay
    phase protection relay
    Polarr

    ... the use of CTs. The unit is placed in the GVR and carry out auto-reclosing over current. It provides sensitive earth fault protection. The Polarr series is integrated with low power microprocessor design. The structure features various ...

    over-current protection relay
    over-current protection relay
    IPR-A

    ... circuit Features - CT primary ratio selectable in 5 A steps (10 A to 6000 A) - Line and ground RMS currents measurement - 1 trip relay and 2 programmable auxiliary relay - Control power drop or ...

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    Orion Italia
    over-current protection relay
    over-current protection relay
    ETMFC50

    ... - Digital relay for Epoxy Fault Interrupter(EFI) -51, 50, Sectionalizer Function, Overcurrent Lock Function and Contact Wear Monitor -Programmable SCADA I/O port -Inrush current suppression ...

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    ENTEC ELECTRIC & ELECTRONIC CO.,LTD
    voltage protection relay
    voltage protection relay
    NPR series

    Tripping current: 0 A - 5 A

    ... The protection relay for the capacitor bank (NPR series) monitors the three-phase capacitor banks in medium-voltage reactive power compensation systems. It can recognize various hazardous situations in capacitor units: ...

    over-current protection relay
    over-current protection relay

    ... The DKR-24 Series, manufactured by Entes, is an overcurrent protection relay designed to avoid damage from overloading the motor. This is equipped with electronic coil controller, same ...

    earth-leakage protection relay
    earth-leakage protection relay
    VIPAM3500

    Tripping current: 5 A
    Trigger voltage: 110 V

    ... VIPAM3500 (Integrated Electronic Device) is a digital protection relay that enables a high-precision measurement and protection relay for switchgear ...

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    VitzroEM Co., Ltd.
    voltage protection relay
    voltage protection relay
    L-PRO 4000

    ... is a digital, microprocessor-based line distance protection system that provides comprehensive distance based line protection for medium to extra-high-voltage transmission lines. Apply the L-PRO for ...

    current protection relay
    current protection relay
    MDR-2 series

    Tripping current: 5 A
    Trigger voltage: 250 V

    ... differential protection and short-circuit protection relay for generator protection against internal short circuits (leaking currents). The MDR-2 is a state-of-the-art combined differential ...

    phase loss protection relay
    phase loss protection relay
    TPM5

    Tripping current: 5 A

    ... Consumption: 2W - Protections: overload, underload, phase loss - Display: LED - Mounting: 11-pin socket - Output: NA + NC - Current range: 1…18A (0…100% with /5A current transformer) - Reset: Manual ...

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    Toscano Linea Electronica
    overload relay
    overload relay
    TSB-ED series

    Tripping current: 0.2 A - 34 A

    ... Digital economy type You can easily set the setting value while looking at the digital display. One model now supports 24 to 240V AC/DC. Features - The motor current value and various setting values during operation ...

    over-current protection relay
    over-current protection relay
    VACON® NXP DCGuard

    Tripping current: 3 A - 4,140 A
    Trigger voltage: 465 V - 1,100 V

    ... However, ensuring selectivity and limited short circuit energy requires more sophisticated protection devices. VACON® NXP DCGuard™ is a semiconduc­tor protection device that maintains the stability of the DC grid by ...

    earth-leakage protection relay
    earth-leakage protection relay
    MRM4

    power protection relay
    power protection relay
    DMP300

    Tripping current: 1, 2, 5 A
    Trigger voltage: 110, 220 V

    ... strong an-jamming design that suitable for severe environment. The measurement, protection AI isolation sampling channels are fully independent. The specialized analog and digital filtering design and high-accuracy AC ...

    DC protection relay
    DC protection relay

    Trigger voltage: 20 V - 30 V

    ... Process relay v/i. Digital setpoint with numerical preselectors Input: 0-4/20mA, 0/10V Isolated output: MAX/MIN 1 switched relay (1 preselectable numerical alarm) Power ...

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

    ... current transformers. A digital display provides current and voltage readings for all three legs and allows the user to set up the SubMonitor quickly and easily. The SubMonitor is the latest innovation in 3-phase pump protection ...

    under-frequency protection relay
    under-frequency protection relay
    MP 250

    ... breaker). A complete set of mains protections is available. The relay features multistage protections for under and over voltages, under and over frequency as well as rate of change of frequency (ROCOF). All ...

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