RS485 protection relays

Do you need help making a decision?  Take a look at our buying guide
18 companies | 96 products
exhibit your products

& reach your clients in one place, all year round

Exhibit with us
Search
{{#pushedProductsPlacement4.length}} {{#each pushedProductsPlacement4}}
{{product.productLabel}}

{{product.productLabel}} {{product.model}}

{{#if product.featureValues}}
{{#each product.featureValues}} {{content}} {{/each}}
{{/if}}
{{#if product.productPrice }} {{#if product.productPrice.price }}

{{product.productPrice.formattedPrice}} {{#if product.productPrice.priceType === "PRICE_RANGE" }} - {{product.productPrice.formattedPriceMax}} {{/if}}
{{/if}} {{/if}}
{{#if product.activeRequestButton}}
{{/if}}
{{product.productLabel}}
{{product.model}}

{{#each product.specData:i}} {{name}}: {{value}} {{#i!=(product.specData.length-1)}}
{{/end}} {{/each}}

{{{product.idpText}}}

{{productPushLabel}}
{{#if product.newProduct}}
{{/if}} {{#if product.hasVideo}}
{{/if}} {{#each product.productTagAssociationList}}
{{/each}}
{{/each}} {{/pushedProductsPlacement4.length}}
{{#pushedProductsPlacement5.length}} {{#each pushedProductsPlacement5}}
{{product.productLabel}}

{{product.productLabel}} {{product.model}}

{{#if product.featureValues}}
{{#each product.featureValues}} {{content}} {{/each}}
{{/if}}
{{#if product.productPrice }} {{#if product.productPrice.price }}

{{product.productPrice.formattedPrice}} {{#if product.productPrice.priceType === "PRICE_RANGE" }} - {{product.productPrice.formattedPriceMax}} {{/if}}
{{/if}} {{/if}}
{{#if product.activeRequestButton}}
{{/if}}
{{product.productLabel}}
{{product.model}}

{{#each product.specData:i}} {{name}}: {{value}} {{#i!=(product.specData.length-1)}}
{{/end}} {{/each}}

{{{product.idpText}}}

{{productPushLabel}}
{{#if product.newProduct}}
{{/if}} {{#if product.hasVideo}}
{{/if}} {{#each product.productTagAssociationList}}
{{/each}}
{{/each}} {{/pushedProductsPlacement5.length}}
over-frequency protection relay
over-frequency protection relay
PCS-902

... 1 GOOSE, MMS support

  • Supports IEC 61850, DNP3.0, IEC 60870-5-103 over TCP/IP; two RS-485 ports (IEC 60870-5-103) and RS-485 for clock sync; RS-232/RS-485
  • ...

    See the other products
    NR Electric
    voltage protection relay
    voltage protection relay
    MEprotect

    ... Entry-level, yet powerful protection for motors and other electrical assets, finding application in power control centres and switchgear, motor control centres, etc. Complete and reliable protection for any size LV ...

    over-current protection relay
    over-current protection relay
    7SR51

    ... The Reyrolle 7SR511 overcurrent device includes a wide range of protection functions and IEC 61850 Ethernet communications as standard. Features & functions The large LCD, tactile pushbuttons and programmable LEDs ...

    See the other products
    SIEMENS Energy automation and smart grid
    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
    ...

    See the other products
    Ingeteam GmbH
    current protection relay
    current protection relay
    ELR-3AN

    Tripping current: 0.03 A - 30 A

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

    See the other products
    Contrel elettronica
    earth-leakage protection relay
    earth-leakage protection relay
    ELR-4C

    ... Multipoint earth leakage relay 4 inputs with associated toroid sensors measure the leakage current in an electrical installation to detect levels that may be damaging. Ideal for protection or alarming, the products offer ...

    See the other products
    Contrel elettronica
    current protection relay
    current protection relay
    ELR-51AS

    Tripping current: 0.03 A - 5 A
    Trigger voltage: 110, 230, 24, 48 V

    ... Earth differential relay with associated toroidal sensor input, measures the leakage current in an electrical installation to detect levels that could be harmful. Ideal for protection or alarm, the product offers multiple ...

    See the other products
    Contrel elettronica
    self-powered protection relay
    self-powered protection relay
    SIA-C

    ... that indicate the cause of the trip maintaining its position without a power supply. - Relay status self-diagnosis (WATCHDOG). - Front Micro USB port and RS 485 port for remote communication protocol ...

    See the other products
    FANOX ELECTRONIC
    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 ...

    See the other products
    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 ...

    See the other products
    FANOX ELECTRONIC
    earth-leakage protection relay
    earth-leakage protection relay
    DER4B/2D

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

    ... temperature control and correct functioning of the electronic circuitry - option: RS 485 Modbus Standard RTU serial output (only version with code 9DER4B/2DRS 485 and code 9DER4B/2DCCRS 485) ...

    See the other products
    DOSSENA
    earth-leakage protection relay
    earth-leakage protection relay
    DER4B/2I

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

    ... overtemperature control and correct functioning of the electronic circuitry - option: RS 485 Modbus Standard RTU serial output (only version with code 9DER4B/2IRS 485 and code 9DER4B/2ICCRS 485) ...

    See the other products
    DOSSENA
    earth-leakage protection relay
    earth-leakage protection relay
    DER4/2D

    Tripping current: 0.03 mA - 30,000 mA
    Trigger voltage: 48 V - 400 V

    ... - self-diagnosis with description of the problem on the display - option: RS 485 Modbus Standard RTU serial output (only version with code 9DER4/2DRS 485 and code 9DER4/2DCCRS 485) ...

    See the other products
    DOSSENA
    under-voltage protection relay
    under-voltage protection relay
    FPC 400

    Tripping current: 5,000, 1 mA

    ... FPC 400 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 ...

    transformer protection relay
    transformer protection relay
    PAS2950D

    ... PAS2950D series digital distribution transformer protection, measurement and control device is applicable to the protection, meausrement and control of power transmission and distribution transformers of 35kV and lower ...

    See the other products
    Hangzhou Huning Elevator Parts Co., Ltd.
    voltage protection relay
    voltage protection relay
    GEMStart 5®

    Trigger voltage: 24 V

    ... GemStart5® is a motor protection relay perfectly dedicated to protect, control and monitor electrical motors and their applications. Discover more about its functionalities. Operation: - The most cost-effective solution - ...

    grid and system protection relay
    grid and system protection relay
    NA003.COM-64

    Trigger voltage: 24 V - 110 V

    ... system protection monitoring relay RE series; Frequency and voltage monitoring; Functional safety; Measuring voltage 3 x 400/230V AC; Supply voltage 24V DC, 110-240V AC; 3 CO contacts; Width 107 mm; Installation design GRID ...

    arc flash protection relay
    arc flash protection relay
    AFR-4

    Trigger voltage: 85 V - 265 V

    ... providing a comprehensive solution for arc flash protection. Integrated RS 485/Modbus communication enables seamless remote monitoring and control, which is ideal for modern power systems. • ≤5ms fast ...

    See the other products
    Chongqing Blue Jay Technology Co. Ltd
    over-current protection relay
    over-current protection relay
    NA011

    ... , the residual overcurrent protection can use the measured (CTs or balanced transformer) or the calculated residual current. STANDARD PROTECTIVE & CONTROL ELEMENTS • Phase overcurrent ...

    See the other products
    THYTRONIC
    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 requirements ...

    See the other products
    Microelettrica
    motor protection relay
    motor protection relay
    MPR-100

    ... Motor Protection Relay The device has been designed for continuous monitoring of electrical parameters in low voltage systems. It allows direct, close-distance or remote monitoring via RS- 485 ...

    See the other products
    Orion Italia
    under-voltage protection relay
    under-voltage protection relay
    D-PRO

    ... Multifunction protection relay used to provide additional generator protections in more demanding applications, such as medium or high voltage plants, or oil & gas installations. D-PRO is studied in ...

    voltage protection relay
    voltage protection relay
    AM series

    ... Feeder protection; Transformer protection; Motor protection; Capacitor protection; Voltage protection; Bus tie protection. Measurement RMS current ...

    earth-leakage protection relay
    earth-leakage protection relay
    ELR Series

    Tripping current: 30 mA - 30,000 mA

    ... with our relays used together with RCR and ELR series self-toroid or external toroid (Toroidal Residual Current Transformers, Collector and Multiplexer Toroidal Current Transformers). Our Aktif RCR and ELR series residual current protection ...

    exhibit your products

    & reach your clients in one place, all year round

    Exhibit with us
    DirectIndustry RFQ: Free quotation comparison tool
    Receive and compare quotations for free
    Describe your project
    We select
    the best suppliers
    Compare quotations and complete your purchase