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.

    1303 Products showing for Motor Protection

    Eaton
    2.5 → 4 A
    -
    Circuit Breaker
    690 V ac
    -
    -
    -
    -
    -
    45mm
    93mm
    94mm
    -25°C
    +55°C
    690 V
    -
    -
    -
    150 kA
    3
    Screw
    Siemens
    0.7 → 1 A
    SIRIUS 3RV
    Circuit Breaker
    690 V
    -
    -
    3RV1
    -
    -
    90mm
    45mm
    75mm
    -20°C
    +60°C
    690 V
    -
    -
    -
    100 kA
    3P
    Screw
    ABB
    4 A
    MS/MO132
    Circuit Breaker
    690 V ac
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Schneider Electric
    -
    TeSys
    -
    415 - 440 V ac
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Yes
    Green Premium
    -
    -
    -
    ABB
    -
    -
    Circuit Breaker
    -
    -
    -
    MS116
    -
    -
    90mm
    45mm
    80.1mm
    -
    -
    690 V ac
    -
    -
    -
    50 kA
    3P
    Screw
    ABB
    25 A
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Siemens
    0.14 → 0.2 A
    SIRIUS 3RV
    Circuit Breaker
    -
    -
    -
    3RV2
    -
    -
    -
    -
    -
    -
    -
    -
    Extended product life, Saves energy
    Yes
    -
    -
    -
    -
    Siemens
    7 → 10 A
    SIRIUS 3RV
    Circuit Breaker
    -
    -
    -
    3RV2
    -
    Current
    45mm
    97mm
    97mm
    -20°C
    +60°C
    20 → 690 V
    Extended product life, Saves energy
    Yes
    -
    100 kA
    3
    Screw
    Siemens
    1.8 → 2.5 A
    SIRIUS 3RV
    Circuit Breaker
    -
    -
    -
    3RV2
    -
    -
    -
    -
    -
    -
    -
    -
    Extended product life, Saves energy
    Yes
    -
    -
    -
    -
    Siemens
    65 A
    SIRIUS 3RV
    Load Monitor
    690 V
    SIRIUS
    3
    3RV2
    -
    Current
    -
    -
    -
    -
    -
    -
    Extended product life, Saves energy
    Yes
    -
    -
    -
    -
    Siemens
    2.8 → 4 A
    SIRIUS 3RV
    Circuit Breaker
    -
    -
    -
    3RV2
    -
    -
    109mm
    45mm
    91mm
    -
    -
    690 V
    Extended product life, Saves energy
    Yes
    -
    6 kA
    3P
    Cage Clamp
    Eaton
    6.3 → 10 A
    -
    Circuit Breaker
    690 V ac
    -
    -
    -
    -
    -
    93mm
    45mm
    90.5mm
    -25°C
    +55°C
    690 V ac
    -
    -
    -
    60 kA
    3P
    Screw
    Siemens
    0.35 → 0.5 A
    SIRIUS 3RV
    Circuit Breaker
    690 V
    -
    -
    3RV2
    -
    -
    97mm
    45mm
    97mm
    -20°C
    +60°C
    690 V
    Extended product life, Saves energy
    Yes
    -
    100 kA
    3P
    Screw
    Siemens
    1.8 → 2.5 A
    SIRIUS 3RV
    Circuit Breaker
    -
    -
    -
    3RV1
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Siemens
    80 A
    SIRIUS 3RV
    Magnetic Control Unit
    690 V
    3RV2
    -
    3RV2
    -
    -
    -
    -
    -
    -
    -
    -
    Extended product life, Saves energy
    Yes
    -
    -
    -
    -
    Eaton
    6.3 → 10 A
    -
    Circuit Breaker
    690 V ac
    -
    -
    -
    -
    -
    93mm
    45mm
    76mm
    -25°C
    +55°C
    690 V ac
    -
    -
    -
    150 kA
    3P
    Screw
    Siemens
    17 → 22 A
    SIRIUS 3RV
    Circuit Breaker
    690 V
    -
    -
    3RV2
    -
    -
    97mm
    45mm
    91mm
    -20°C
    +60°C
    690 V
    Extended product life, Saves energy
    Yes
    -
    4 kA
    3P
    Screw
    Schneider Electric
    6 → 10 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
    Schneider Electric
    2.5 → 4 A
    TeSys
    Circuit Breaker
    690 V
    -
    -
    GV2P
    -
    -
    89mm
    44.5mm
    97mm
    -20°C
    +60°C
    690 V
    -
    -
    -
    8 kA
    3P
    Screw
    Eaton
    1.6 A
    PKZM0
    Circuit Breaker
    690 V
    Transformer Protection
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
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