Automotive Relays, 24V, 40A and 30A Relays | RS
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    Automotive Relays

    An automotive relay is an electronically-operated switch, with electro-mechanically operated switches being the most common type used in the automotive industry. Automotive relays, as the name suggests, are specifically designed to carry out a multitude of high-current applications in vehicles, including cars, vans, trucks, trailers, boats and more. These applications can vary, from operating speakers, pumps, heaters and air conditioning, and motors, etc.

    What types of automotive relays are there?

    The most common automotive relays are 40A, but there are also 30A and 20A automotive relays - for applications requiring 10 Amps or lower, it is typical practice to use PCB-mounted relays. Automotive relays are typically available in 4-pin or 5-pin variations, but in both variations, two of these pins are connected to the internal coil to pass across the typical 12V required by most models of car. This 12V will then act on the internal switch in the relay.

    156 Products showing for Automotive Relays

    TE Connectivity
    24V dc
    1.6W
    268 Ω
    SPDT
    1
    40A
    -
    -
    -
    -
    Plug In
    Quick Connect
    -
    -
    TE Connectivity
    24V dc
    2.1W
    268Ω
    SPST
    1
    70A
    -
    -
    -
    -
    Plug In
    Plug In
    -
    IEC
    Littelfuse
    12V dc
    -
    -
    -
    -
    -
    -
    -
    12V dc
    -
    Chassis Mount
    Wire Lead
    -
    -
    TE Connectivity
    12V dc
    -
    254 Ω
    SPDT
    1
    25A
    -
    -
    -
    -
    PCB Mount
    Through Hole
    -
    -
    Panasonic
    24V dc
    3.8W
    -
    SPST
    1
    300A
    -
    -
    400V dc
    -
    Flange Mount
    Screw
    -
    -
    TE Connectivity
    24V dc
    1.6W
    332 Ω
    SPDT
    1
    40A
    -
    -
    -
    100V ac
    Plug In
    Quick Connect
    -
    -
    TE Connectivity
    12V dc
    3.9W
    37Ω
    SPST
    1
    300A
    -
    -
    -
    -
    Flange Mount
    Screw
    -
    IEC
    TE Connectivity
    12V dc
    1.9W
    90 Ω
    SPST
    1
    70A
    -
    -
    -
    -
    Plug In
    -
    -
    -
    TE Connectivity
    12V dc
    1.6W
    91 Ω
    SPDT
    1
    40A
    -
    -
    -
    -
    Plug In
    Quick Connect
    -
    -
    Panasonic
    12V dc
    -
    34 Ω
    SPST
    1
    120A
    -
    -
    -
    -
    Flange Mount
    Screw
    -
    -
    Panasonic
    12V dc
    1.5W
    96Ω
    SPDT
    1
    35A
    -
    -
    14V dc
    -
    Plug In
    Plug In
    -
    -
    TE Connectivity
    -
    High Voltage Tabs
    290 Ω
    SPDT
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    TE Connectivity
    12V dc
    -
    91 Ω
    SPST
    1
    50A
    -
    -
    -
    -
    Panel Mount
    Quick Connect
    -
    -
    Panasonic
    24V dc
    1.8W
    320Ω
    SPDT
    1
    20A
    -
    -
    14V
    -
    PCB Mount
    Quick Connect
    -
    -
    Panasonic
    12V dc
    1.5W
    96 Ω
    SPST
    1
    35A
    -
    -
    14V dc
    -
    Plug In
    Plug In
    -
    -
    TE Connectivity
    12V dc
    1.9W
    90 Ω
    SPST
    1
    70A
    -
    -
    -
    -
    Plug In
    -
    -
    -
    Panasonic
    24V dc
    4.2W
    -
    SPST
    1
    80A
    -
    -
    400V dc
    -
    Flange Mount
    Screw
    -
    -
    TE Connectivity
    -
    High Voltage Tabs
    70 Ω
    SPDT
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    TE Connectivity
    12V dc
    1.6W
    90 Ω
    SPDT
    1
    40A
    -
    -
    -
    -
    Plug In
    Quick Connect
    -
    -
    Littelfuse
    12V dc
    -
    -
    -
    -
    300A
    -
    -
    -
    -
    Chassis Mount
    Wire Lead
    -
    -
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