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Protection Relay

acts as a circuit breaker in the event of a fault.


Showing results: 631 - 645 of 665 items found.

  • Testing Services

    Computec SRL

    - Laboratory of electrical tests and measurements- Injection of voltages and currents. - Megger SMRT33 Triphasic Case- Protection relay test- Tests with class 0.2 instruments - Fluke N5K 3PP50IP Norma 5000 High Precision Power Analyzer- Verification of energy meters- Fault Recorder Verification- Verification of Power Quality Analyzers- GPS verification

  • Enhanced 16 Discrete/Switch I/O Channels (±80 V, 625 mA/Ch.)

    DT5 - North Atlantic Industries

    The DT5 module (the enhanced version) features 16 independent, isolated, programmable channels that can be used for input voltage measurements (±80 V), or as a bi-directional current switch (up to 500 mA per channel). When programmed as a switch with the switch closed, both the current through the switch and the voltage across the switch can be monitored. These modules include diode clamping on each channel. Clamping is useful for inductive loads, such as relays and short circuit protection. Additional features of the DT5 (Enhanced Version) are listed below.

  • NI-9478 , 50 V, 16-Channel (Sinking Output), 50 µs C Series Digital Module

    779940-02 - NI

    50 V, 16-Channel (Sinking Output), 50 µs C Series Digital Module - The NI‑9478 works with industrial logic levels and signals to connect directly to a wide array of industrial relays, solenoids, and motors. The NI‑9478 features programmable current limits, which provide … customizable system protection that is ideal for solenoid and valve control applications. Each channel is compatible with signals from 5 V to 50 V and features isolation from channel‑to‑earth ground.

  • NI-9478, 50 V, 16-Channel (Sinking Output), 50 µs C Series Digital Module

    779940-01 - NI

    50 V, 16-Channel (Sinking Output), 50 µs C Series Digital Module - The NI‑9478 works with industrial logic levels and signals to connect directly to a wide array of industrial relays, solenoids, and motors. The NI‑9478 features programmable current limits, which provide customizable system protection that is ideal for solenoid and valve control applications. Each channel is compatible with signals from 5 V to 50 V and features isolation from channel‑to‑earth ground.

  • Software For Protective Relay Testing

    TDMS Pro - Altanova Group

    TDMS Pro is the NEW software platform designed to efficiently run tests and manage test data of almost any kind of electromechanical and digital relay from any manufacturer.From the simplest to the most complex type, TDMS Pro, with a completely new graphic interface and advanced test functions, can be used to test all types of multifunction protection relays installed in power transmission and distribution networks, in power plants and industries. The universal test set compatible with TDMS Pro are: DRTS 66, DRTS 64, DRTS 34 and DRTS 33.

  • Three-Phase AC Solid-State Relays for Medium Power Applications

    Series C3P - Teledyne Defense Electronics Relays & Coax Switch

    The Series C3P three-phase AC solid-state relays are designed to control medium amounts of power in three-phase applications. Optical isolation ensures complete protection of the C3P’s control circuit from load transients. The C3P’s compact plastic housing provides a low-cost alternative to large metallic three-phase contactors. The C3P is designed with heatsinking in mind. The ceramic baseplate provides excellent thermal performance. The relay’s tight zero-cross window greatly reduces EMI.​Available options include:C3P24D25 25A, 280 VacC3P24D25C 25A, 280 Vac

  • Low-Profile 16-CH Isolated DI & 16-CH Isolated DO PCI Card

    LPCI-7230 - ADLINK Technology Inc.

    ADLINK LPCI-7230 is 32-CH isolated input and/or card. It provides a 2,500 C optical isolation protection. Two wide input range of the LPCI-7230 makes it easy to sense the status of external devices. The non-polarity characteristic is suitable for a wide variety of industry applications. The LPCI-7230 devices also feature a wide output range from 5 to 35 V, which is suitable for relay driving and industrial automations applications. The LPCI-7230 also provides two interrupt sources on digital input channels, which are easily user configurable.

  • 32-CH Isolated DIO Card

    LPCIe-7230 - ADLINK Technology Inc.

    ADLINK LPCIe-7230 is 32-CH isolated input and/or card. It provides a 2,500 C optical isolation protection. Two wide input range of the LPCIe-7230 makes it easy to sense the status of external devices. The non-polarity characteristic is suitable for a wide variety of industry applications. The LPCIe-7230 devices also feature a wide output range from 5 to 35 V, which is suitable for relay driving and industrial automations applications. The LPCIe-7230 also provides two interrupt sources on digital input channels, which are easily user configurable.

  • EPOXY RESIN SILICON RUBBER OUTDOOR VOLTAGE TRANSFORMER

    JDZW-10RG - Beijing GFUVE Electronics Co.,Ltd.

    Outdoor voltage transformer of the type JDZW-10 is single phase and epoxy resin silicon rubber insulated product, it's used for metering electric energy, voltage control and relay protection in 50/60HZ rated voltage less than 12kV electric system. It can be used for medial voltage AIS, or can be used for medial voltage switchgears. They can operate in all kinds of environments (such as wide range temperature (-50~70℃), high altitude, high humidity, high pollution or salt). This model JDZW-10 outdoor voltage transformer is also as voltage source to supply 220V voltage.

  • NI TB-2640B Terminal Block for NI 2532B as 1-Wire 4x128 Matrix Topology Without Column Protection Resistors

    782385-01 - NI

    Screw Terminal, Ribbon, 4x128, 1-Wire PXI Module Matrix Terminal Block - The TB-2640B provides the necessary routing to configure the PXI-2532B or PXIe-2532B PXI Matrix Switch Module as a 1-wire 4x128 matrix. You can directly connect the TB-2640B to the front panel I/O connectors … of the PXI-2532B or PXIe-2532B. This terminal block includes ribbon cable headers to connect signals to the PXI Matrix Switch Module. The TB-2640B also provides optional isolation resistors to protect the reed relays from capacitive loads.This 782385-01 card does NOT have 100 Ohm protection.

  • 192 X 1 Or 96 X 2 cPCI Low Thermal Relay Scanner Module

    DP-cPCI-4032 - Data Patterns Pvt. Ltd.

    DP-cPCI-4032, is a hot swappable high density 192x1 or 96x2 relay scanner module. DP-cPCI-4032 is implemented as a 6U cPCI module.The 96 channel scanner is divided into six banks of 16x2 scanner. The banks are isolated from each other using tree switches. Six tree switches are used, one tree switch for each bank. A common tree switch is used to group all the six banks. Depending on the application requirement, it can be configured as 96 x 2 or 192 x 1 scanner. For short circuit protection, resistors are provided for all the common terminals.

  • Primary Test Equipment

    LET-1000-RD - EUROSMC, S.A.

    It allows to perform with sufficient power, all the primary current injections to test the proper function and wiring of all the elements that compose the protection and measuring section in a substation.The regulation system is based on a continuously variable autotransformer (Variac) that supplies to a power transformer that delivers the high current outputs and isolate the main supply from the load. A built-in ammeter and a timer gives the information about the current value and the operation time of the relay or breaker under test.

  • Primary Test Equipment

    LET-400-RD - EUROSMC, S.A.

    It allows to perform with sufficient power, all the primary current injections to test the proper function and wiring of all the elements that compose the protection and measuring section in a substation.The regulation system is based on a continuously variable autotransformer (Variac) that supplies to a power transformer that delivers the high current outputs and isolate the main supply from the load. A built-in ammeter and a timer gives the information about the current value and the operation time of the relay or breaker under test.

  • AC Load Bank (Resistive/Reactive)

    K-1000 Resistive/Reactive - Kongter Test & Measurement Co., Limited

    Resistive/reactive load banks are great choices for testing turbines, switchgear, rotary UPS, generators and UPS systems. They can also be used for integrated system testing of utility substation protection systems, particularly for more complex relays like distance, directional overcurrent, power directional and others. A resistive/reactive inductive and/or capacitive load is often required to test solar inverters to ensure solar panels can be stopped from producing electricity in the event of a power outage.

  • Test Switches and Accessories

    ABB Ltd.

    Test switches are designed and manufactured to allow quick and easy multi-circuit testing of switchboard relays, meters and instruments by any conventional system.These test switches and related test plugs have the features necessary for applications involving the measurement of individual currents and voltages associated with substation instrumentation and protection devices. They have been especially designed for the measurement of potential elements, current elements, and make-before-break short-circuit elements related to Current Transformer (CT) circuits.

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