Electric Motor Protection | Circuit Breaker | RS
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    Motor Protection

    Motor protection is used to prevent damage to an electrical motor and to reduce the incidence of problems such as internal faults and abnormal conditions. The type of motor protection you choose will depend on the size of motor you need it for and the voltage level required.

    What does motor protection do?

    Motor protection units protect against various types of damage that can occur within a motor, such as problems arising from vibration or excess torque. Motor protection units also take care of other mechanical limitations like startup frequency management, and control operating characteristics like voltage, phases and short-circuit current availability.

    What is motor protection used for?

    Motor protection is mainly used to manage and protect synchronous and asynchronous motors. They can also be used for circuit breakers (devices used for stopping the electric current as a safety measure) and motors in a variety of drive applications, such as motor drives for pumps, fans, compressors, mills and crushers.

    1304 Products showing for Motor Protection

    Eaton
    20 A
    PKZM0
    Circuit Breaker
    690 V
    Transformer Protection
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Siemens
    3.2 A
    SIRIUS 3RV
    Circuit Breaker
    -
    -
    -
    3RV1
    -
    -
    90mm
    45mm
    81mm
    -
    -
    690 V ac/dc
    -
    -
    -
    100 kA
    3P
    Screw
    Siemens
    0.5 A
    SIRIUS 3RV
    -
    690 V
    SIRIUS
    -
    3RV2
    -
    Current
    -
    -
    -
    -
    -
    -
    Extended product life, Saves energy
    Yes
    -
    -
    -
    -
    Eaton
    630000 mA
    PKZM01
    Circuit Breaker
    690 V
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Eaton
    0.3 → 1.2 A
    -
    Circuit Breaker
    690 V ac
    -
    -
    -
    -
    -
    101mm
    45mm
    102.5mm
    -
    -
    690 V ac
    -
    -
    -
    100 kA
    3P
    Screw
    Eaton
    1.6 → 2.5 A
    -
    Circuit Breaker
    690 V ac
    -
    -
    -
    -
    -
    45mm
    93mm
    94mm
    -
    -
    -
    -
    -
    -
    -
    -
    Screw
    Crompton Controls
    10.1 → 25 A
    -
    Load Monitor
    380 → 500 V
    EL-FI
    -
    -
    -
    Current Transformer
    90mm
    45mm
    115mm
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Legrand
    26 A
    MPX
    Circuit Breaker
    220 → 690 V
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Siemens
    Maximum of 8 A
    SIRIUS 3RV
    Circuit Breaker
    -
    -
    -
    3RV2
    -
    -
    45mm
    96.9mm
    97mm
    -
    -
    -
    Extended product life, Saves energy
    Yes
    -
    -
    -
    -
    Siemens
    1.25 A
    SIRIUS 3RV
    Circuit Breaker
    690 V
    Class 10
    3
    3RV2
    -
    Current
    -
    -
    -
    -
    -
    -
    Extended product life, Saves energy
    Yes
    -
    -
    -
    -
    Schneider Electric
    -
    -
    -
    440 → 480 V
    MT 400-630
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Yes
    Green Premium
    -
    -
    -
    Schneider Electric
    9 → 14 A
    TeSys
    Circuit Breaker
    690 V
    -
    -
    GV2ME
    -
    -
    89mm
    44.5mm
    78.2mm
    -20°C
    +60°C
    690 V ac
    -
    Yes
    Green Premium
    3 kA
    3
    Screw
    Eaton
    58 A
    Eaton Moeller
    Circuit Breaker
    690 V
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Siemens
    0.45 → 0.63 A
    SIRIUS 3RV
    Circuit Breaker
    -
    -
    -
    3RV2
    -
    -
    97mm
    45mm
    91mm
    -
    -
    690 V
    Extended product life, Saves energy
    Yes
    -
    100 kA
    3P
    Cage Clamp
    Siemens
    3.2 A
    SIRIUS 3RV
    -
    690 V
    Class 10
    3
    3RV2
    -
    Current
    -
    -
    -
    -
    -
    -
    Extended product life, Saves energy
    Yes
    -
    -
    -
    -
    Siemens
    1.1 → 1.6 A
    SIRIUS 3RV
    Circuit Breaker
    -
    -
    -
    3RV2
    -
    -
    -
    -
    -
    -
    -
    -
    Extended product life, Saves energy
    Yes
    -
    -
    -
    -
    Siemens
    2.2 → 3.2 A
    SIRIUS 3RV
    Circuit Breaker
    -
    -
    -
    3RV2
    -
    -
    -
    -
    -
    -
    -
    -
    Extended product life, Saves energy
    Yes
    -
    -
    -
    -
    Siemens
    0.22 → 0.32 A
    SIRIUS 3RV
    Circuit Breaker
    -
    -
    -
    3RV2
    -
    -
    97mm
    45mm
    91mm
    -
    -
    690 V
    Extended product life, Saves energy
    Yes
    -
    100 kA
    3P
    Screw
    Siemens
    2.5 A
    SIRIUS 3RV
    Basic Unit
    230 V
    3RV24
    3
    3RV2
    3
    Current
    -
    -
    -
    -
    -
    -
    Extended product life, Saves energy
    Yes
    -
    -
    -
    -
    Siemens
    16 A
    SIRIUS 3RV
    -
    690 V
    Class 10
    3
    3RV2
    -
    Current
    -
    -
    -
    -
    -
    -
    Extended product life, Saves energy
    Yes
    -
    -
    -
    -
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