Latching/Non-Latching Signal Relay Switches | RS
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    Signal Relays

    Signal relays are a type of electrically operated mechanical switch. They are operated by electrical impulses with the primary function to open and close a circuit. Relays can also be referred to as industrial switches. There are 2 main types of relay category available, latching and non–latching relays.

    Relays are used within PCBs for switching purposes. Signal relays are designed for low currents and low voltages. They can be used for up to 2A switching. Power relays are another type of relay which is suitable for high currents and voltages.

    What is the difference between latching and non-latching relays?

    Both types of relays in similar in design and function, however, a significant difference between them is that a latching relay will remain in the last position it when it was last powered, whereas a non-latching goes back to its normal position. This makes each more type of relay suitable for different applications.

    How to choose a signal relay:

    When choosing a relay, it is important to consider a number of specifications to ensure it is fit for purpose, some factors include:

    • Coil voltage - the required voltage to actuate the switching mechanism. If a voltage is too high this could damage the components, if it is too low then it will not actuate
    • Contact configuration - This is the state the contacts are in without power. For example SPST, single pole single throw
    • Contact material - the relay contacts are available in many materials that have certain properties. Common materials are gold, silver, tin oxide and nickel
    • Coil power - the amount of power (watts) the coil operates at. This must match the power in the circuit for correct function
    • Coil resistance - the amount of resistance (ohms) in the circuit that the coil creates

    833 Produits présentés pour Signal Relays

    2,43 €
    l'unité (conditionné en tube)
    RS PRO
    -
    5 V cc
    SPDT
    PCB Mount
    2A
    2 A
    -
    2 A
    125V
    60V
    30 W
    -
    12.5mm
    7.5mm
    10mm
    12.5 x 10 x 7.5mm
    PCB Pin
    Signal
    1
    60,492 €
    L'unité (en paquet de 100)
    RS PRO
    -
    24V dc
    DPDT
    PCB Mount
    3A
    3 A
    -
    3 A
    250V
    220V
    60 W
    DS
    20mm
    9.9mm
    9.9mm
    -
    Through Hole
    -
    2
    RS PRO
    -
    12V dc
    SPDT
    PCB Mount
    2A
    2 A
    -
    2 A
    125V
    60V
    30 W
    -
    12.5mm
    7.5mm
    10mm
    12.5 x 10 x 7.5mm
    PCB Pin
    Signal
    1
    RS PRO
    -
    24V dc
    DPDT
    PCB Mount
    2A
    2 A
    -
    2 A
    250V
    220V
    60 W
    Axicom P2
    10mm
    6.5mm
    5.65mm
    10 x 5.65 x 6.5mm
    Through Hole
    Signal
    2
    RS PRO
    -
    5V dc
    SPDT
    PCB Mount
    2A
    2 A
    -
    2 A
    250V
    220V
    60 W
    -
    10mm
    6.5mm
    5.65mm
    10 x 5.65 x 6.5mm
    Through Hole
    Signal
    2
    RS PRO
    -
    5 V cc
    SPDT
    PCB Mount
    2A
    2 A
    -
    2 A
    125V
    60V
    30 W
    -
    12.5mm
    7.5mm
    10mm
    12.5 x 10 x 7.5mm
    PCB Pin
    Signal
    1
    RS PRO
    -
    24V dc
    SPDT
    PCB Mount
    3A
    3 A
    -
    3 A
    250V ac
    220V dc
    60 W
    DS
    15mm
    9.9mm
    9.9mm
    -
    Through Hole
    -
    4
    68,761 €
    L'unité (en paquet de 100)
    RS PRO
    -
    5V dc
    DPDT
    PCB Mount
    3A
    3 A
    -
    3 A
    250V ac
    220V dc
    60 W
    DS
    15mm
    9.9mm
    9.9mm
    -
    Through Hole
    -
    2
    RS PRO
    -
    24V
    SPDT
    PCB Mount
    1A
    1 A
    -
    1 A
    250V
    220V
    30 W
    Axicom P1
    13mm
    7.6mm
    6.9mm
    -
    Through Hole
    -
    1
    44,319 €
    L'unité (en paquet de 100)
    RS PRO
    -
    24V dc
    4PDT
    PCB Mount
    3A
    3 A
    -
    3 A
    250V ac
    220V dc
    60 W
    DS
    15mm
    9.9mm
    9.9mm
    -
    Through Hole
    -
    4
    RS PRO
    -
    24V dc
    DPDT
    PCB Mount
    2A
    2 A
    -
    2 A
    250V ac
    220V dc
    60 W
    G6S
    14.8mm
    7.3mm
    9.2mm
    -
    Surface Mount
    -
    2
    2,43 €
    l'unité (conditionné en tube)
    RS PRO
    -
    12V dc
    SPDT
    PCB Mount
    2A
    2 A
    -
    2 A
    125V
    60V
    30 W
    -
    12.5mm
    7.5mm
    10mm
    12.5 x 10 x 7.5mm
    PCB Pin
    Signal
    1
    44,319 €
    L'unité (en paquet de 100)
    RS PRO
    -
    5V dc
    4PDT
    PCB Mount
    2A
    2 A
    -
    2 A
    250V
    220V
    60 W
    TQ2
    14mm
    11.5mm
    5.6mm
    -
    Surface Mount
    -
    4
    82,412 €
    L'unité (en paquet de 100)
    RS PRO
    -
    24V dc
    4PDT
    PCB Mount
    2A
    -
    -
    2 A
    250V
    220V
    60 W
    TX
    15mm
    7.4mm
    8.2mm
    -
    Through Hole
    -
    4
    RS PRO
    -
    5V
    SPDT
    PCB Mount
    3A
    3 A
    -
    3 A
    250V ac
    220V dc
    60 W
    DS
    15mm
    9.9mm
    9.9mm
    -
    Through Hole
    -
    2
    RS PRO
    -
    12V dc
    DPDT
    PCB Mount
    2A
    -
    -
    2 A
    -
    220V dc
    60 W
    TX2
    15mm
    7.4mm
    8.2mm
    -
    Surface Mount
    -
    -
    82,348 €
    L'unité (en paquet de 100)
    RS PRO
    -
    12V dc
    4PDT
    PCB Mount
    2A
    -
    -
    2 A
    250V
    220V
    60 W
    TX2
    15mm
    9.4mm
    8.4mm
    -
    Surface Mount
    -
    4
    RS PRO
    -
    5V dc
    4PDT
    PCB Mount
    1A
    1 A
    -
    1 A
    250V
    220V
    30 W
    Axicom P1
    13mm
    7.6mm
    6.9mm
    -
    Through Hole
    -
    1
    TE Connectivity
    -
    24V dc
    DPDT
    Surface Mount
    2A
    -
    -
    2 A
    250V ac
    220V dc
    60 W
    IM
    10mm
    6mm
    5.65mm
    10 x 6 x 5.65mm
    Through Hole
    Signal
    2
    Omron
    -
    5V dc
    DPDT
    PCB Mount
    2A
    -
    -
    2 A
    125V
    125V
    60 W
    MT
    20.2mm
    10mm
    11.5mm
    20.5 x 10 x 11.5mm
    Through Hole
    Signal
    2
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