Electrical Relays | Electromechanical Relays | RS
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    Electromechanical Interface Relays

    Electromechanical interface relays are special types of electrical relays that guarantee safe and reliable transmission of digital signals, crucial to the functioning of automated systems. They're used with components that are isolated from each other and, due to differences in their electric potential or voltage, cannot allow for a direct connection.

    How do electromechanical interface relays work?

    Electromechanical Interface relay modules are provided with galvanic isolation (amplifying and isolating signals) between the receiving and final controlling systems of the relay. This helps to protect the signals from any interference. They guarantee electrical and information compatibility and also implement the required algorithms for the interaction of functional components of special control instruments.

    Although general purpose relays also have some level of isolation of the output circuits from the input circuits, this function is only secondary and not decisive. In interface relay modules, the property of galvanic isolation is decisive and has been repeatedly intensified.

    What are electromechanical interface relays used for?

    Electromechanical Interface relays are used to control and protect against emergency conditions in modern power, large radio-electronic, electro-physical and X-ray installations.

    1187 Products showing for Electromechanical Interface Relays

    Schneider Electric
    24V dc
    DPDT
    24V dc
    DIN Rail
    -
    -
    Harmony Relay RXG
    5A
    -
    24V
    250V
    -
    -
    -
    -
    -
    -
    -
    -
    -
    ABB
    24V dc
    4CO (SPDT)
    250V
    DIN Rail
    -
    -
    CR-M
    6A
    250V
    24V
    24V dc
    Flat Pin Connections
    27.5mm
    21.2mm
    35.6mm
    35.6 x 27.5 x 21.2mm
    -
    6A
    -
    -
    Allen Bradley
    110 V ac/dc, 125 V ac/dc
    SPDT
    110V
    DIN Rail
    -
    -
    700-HLT
    6A
    -
    93.5V
    110V
    -
    -
    -
    -
    -
    -
    -
    -
    -
    ABB
    24V dc
    SPDT
    24V dc
    DIN Rail
    -
    -
    CR
    6A
    -
    24V
    250V
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Schneider Electric
    -
    -
    -
    DIN Rail
    -
    -
    ZB5
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Yes
    Green Premium
    Finder
    -
    SPDT
    26.4V dc
    DIN Rail
    -
    -
    4C Series
    25A
    440V ac
    17.5V
    -
    Screw
    15.8mm
    81mm
    64.6mm
    81 x 15.8 x 64.6mm
    Silver Alloy
    20mA
    -
    -
    Schneider Electric
    -
    4PDT
    24V ac
    Plug In
    -
    4
    RXM
    3A
    -
    -
    250V ac
    Plug In
    46mm
    21mm
    27mm
    27 x 21 x 46mm
    Silver Alloy
    -
    Yes
    Green Premium
    Schneider Electric
    -
    -
    24V dc
    -
    -
    -
    ABE7S16
    -
    -
    -
    -
    -
    -
    -
    -
    125mm x 71mm x 77mm
    -
    -
    Yes
    Green Premium
    Weidmüller
    24 → 230V ac/dc
    SPDT
    230V ac/dc
    DIN Rail
    -
    1
    TRZ
    6A
    -
    24V ac/dc
    250V ac
    Spring Clamp
    6.4mm
    90mm
    88mm
    90 x 6.4 x 88mm
    Silver Alloy
    (24 V dc) 22 mA, (24 V ac) 28 mA, (230 V ac) 4mA
    -
    -
    Allen Bradley
    -
    -
    -
    -
    -
    -
    193-ECM
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    RS PRO
    60V dc
    SPST
    -
    DIN Rail
    -
    -
    -
    -
    -
    -
    -
    -
    6.3mm
    103.1mm
    79.9mm
    -
    -
    6A
    -
    -
    Allen Bradley
    24V dc
    SPDT
    -
    DIN Rail
    -
    -
    700-HLT
    6A
    -
    -
    24V dc
    -
    -
    -
    -
    -
    -
    -
    -
    -
    WAGO
    24V ac/dc
    -
    -
    DIN Rail
    -
    1
    -
    -
    -
    -
    -
    Plug In
    81mm
    6mm
    94mm
    -
    Silver Nickel
    -
    -
    -
    Phoenix Contact
    24V ac/dc
    SPDT
    24V ac/dc
    -
    -
    -
    ST-REL3-KG 24/21
    -
    -
    -
    250V ac/dc
    -
    -
    -
    -
    -
    -
    -
    -
    -
    ABB
    230V ac/dc
    DPDT
    250V ac
    DIN Rail
    -
    -
    R600
    6A
    -
    -
    5 V → 250V ac
    Screw
    12mm
    70mm
    75mm
    70 x 12 x 75mm
    -
    5mA
    -
    -
    Schneider Electric
    24V dc
    DPDT
    24V dc
    DIN Rail
    -
    -
    Harmony Relay RXG
    5A
    -
    24V
    250V
    -
    -
    -
    -
    -
    -
    -
    -
    -
    WAGO
    24V dc
    SPDT
    -
    DIN Rail
    -
    1
    789
    12A
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Schneider Electric
    24V dc
    SPDT
    -
    DIN Rail
    -
    -
    Harmony Relay RSB
    12A
    -
    -
    250V
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Phoenix Contact
    230V ac
    DPDT
    220 V dc, 230V ac
    DIN Rail
    -
    2
    PLC-RSC-230UC/21-21
    -
    250V
    179.4V ac
    250V ac/dc
    Screw
    14mm
    80mm
    94mm
    80 x 14 x 94mm
    Silver Alloy
    (dc) 4.3 mA, (ac) 4.5mA
    -
    -
    Schneider Electric
    -
    DPDT
    240V ac
    Plug In
    -
    -
    Harmony Relay RSB
    8A
    -
    240V ac
    300/12V dc
    -
    -
    -
    -
    -
    -
    -
    Yes
    Green Premium
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