RCCBs | Residual Current Circuit Breakers | RS
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    RCCBs

    An RCCB or residual-current circuit breaker is a safety device used to protect electrical circuits. RCCBs protect people from electric shocks, and electrocution and help prevent electrical fires.

    RS offers an extensive range of high-performance RCCBs and RCDs from leading brands including ABB, Schneider Electric, and Siemens.

    How does an RCCB work?

    An RCCBs incoming current must equal the outgoing current in any circuit. RCCBs can compare the difference in current values between the live and neutral wires. When appliances are working correctly all current entering the appliance through the live wire leaves the appliance via the neutral wire. If a fault occurs some current can flow through the earth wire if there is no earth this can even flow through you. This results in the unequal current flow coming into the device to what is going out, this difference is referred to as residual current.

    What is the difference between an RCCB and an RCD?

    An RCD (residual current device) can keep an electrical system safe by preventing fatal electrical shocks. RCDs can also provide protection from electrical fires. An RCCB is essentially an RCD minus the overload protection. They are typically used in applications where the risk of electric shock is limited. For more detailed information see our in-depth RCDs Guide.

    What are the different types of RCCB and RCD?

    RCCBs and RCDs are usually mounted on DIN rail. They can be 2, 3, or 4 poles. Varying in current ratings, trip sensitivity, and tripping characteristics. All these specifications should be carefully considered depending on your individual needs and application.

    1522 Produkter som visas för RCCBs

    Siemens
    RCCB
    40A
    4
    SENTRON
    30mA
    Type F
    -
    400V
    -
    -
    -
    -
    Siemens
    RCCB
    40A
    4
    SENTRON
    100mA
    Type A
    5SV3
    400V ac
    -
    Extended product life
    Yes
    -
    Siemens
    RCCB
    40A
    4
    Sentron
    30mA
    Type A
    5SV3
    -
    -
    Extended product life
    Yes
    -
    Schneider Electric
    RCCB
    63A
    2
    Resi9
    30mA
    Type AC
    R9E
    230V
    CE
    -
    -
    -
    Legrand
    -
    16A
    4
    -
    -
    -
    -
    400V
    -
    -
    -
    -
    Schneider Electric
    RCCB
    25A
    3P+N
    Acti9
    300mA
    Type AC
    Acti9 iIG40K
    380 → 415V ac
    -
    -
    Yes
    Green Premium
    Siemens
    RCCB
    63A
    4
    Sentron
    30mA
    Type A
    5SV3
    -
    -
    Extended product life
    Yes
    -
    Legrand
    RCD
    63A
    3P+N
    DX
    30mA
    Type A
    4117
    -
    -
    -
    -
    -
    Siemens
    RCCB
    25A
    4
    Sentron
    30mA
    Type A
    5SV3
    -
    -
    Extended product life
    Yes
    -
    Schneider Electric
    RCCB
    25A
    3
    Acti9
    300mA
    Type AC
    A9Q
    400V ac
    -
    -
    -
    -
    ABB
    RCCB
    25A
    2
    SMISSLINE TP
    30mA
    Type C
    -
    240V ac
    -
    -
    -
    -
    Siemens
    RCCB
    25A
    2
    SENTRON
    30mA
    Type AC
    5SV4312
    230V ac
    -
    Extended product life
    Yes
    -
    Siemens
    RCCB
    40A
    4
    -
    30mA
    Type A
    5SM3
    400V ac
    -
    -
    -
    -
    Eaton
    RCCB
    40A
    3P+N
    FRCdM
    300mA
    Type B
    -
    -
    -
    -
    -
    -
    Legrand
    RCD
    40A
    3
    DX
    30mA
    Type AC
    DX3
    -
    -
    -
    -
    -
    Siemens
    RCCB
    40A
    4
    SENTRON
    300mA
    Type A
    5SV3
    500V ac
    -
    Extended product life
    Yes
    -
    Eaton
    RCCB
    40A
    4
    xEffect
    30mA
    Type A
    xEffect - FBSmV
    240/415V ac
    -
    -
    -
    -
    Schneider Electric
    RCCB
    25A
    3P+N
    Acti9
    30mA
    Type AC
    Acti9 iIG40K
    380 → 415V ac
    -
    -
    Yes
    Green Premium
    Schneider Electric
    RCCB
    40A
    2
    Multi9
    300mA
    Type AC
    ID
    240V ac
    -
    -
    Yes
    Green Premium
    Siemens
    RCCB
    100A
    4
    SENTRON
    -
    Type A
    SENTRON 5SM2xxx
    400V ac
    -
    -
    -
    -
    Resultat per sida