Motor Protection Circuit Breakers

Motor protection circuit breakers act as protection devices for electric motors, monitoring the electrical supply in motor circuits of 50-60Hz. They protect against phase unbalances and losses, which are detrimental to motors, offer protection against current overload, and prevent short circuits.

What are motor protection circuit breakers used for?
Motor protection circuit breakers are useful in industrial and building applications such as chillers, compressors, heat pumps and cooling towers, to prevent damages from short circuits or power surges. In the manufacturing industry, circuit breakers interrupt electrical faults below the breaking capacity, which protects machinery and equipment from blowouts.

Types of motor protection circuit breakers
Motor protection circuit breakers come in A type or B type classifications, dependent on utilisation and function.

  • The A type breaker is not explicitly intended for selectivity and does not allow intentional short time delay under short circuit conditions.This means that the system interrupts immediately when current or voltage levels match the breaking capacity.
  • Type B breakers allow for an intentional and adjustable short time delay under short circuit conditions, which enables the system to continue for a short while with currents exceeding breaking capacity levels.
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Информация о товаре Brand Stock Диапазон тока Количество полюсов Range Отключающая способность Terminal Type Номинальное напряжение Reset Method Length Ширина Depth Dimensions For Use With Серия
Circuit breaker size S2 for motor protec
  • руб 31 384,70
  • За шт.
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  • RS-номер 202-1618
  • Бренд Siemens
  • Номер производителя (MPN) 3RV2031-4XA10
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Circuit breaker size S2 for motor protec
  • руб 35 231,14
  • За шт.
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  • RS-номер 202-1619
  • Бренд Siemens
  • Номер производителя (MPN) 3RV2031-4KA10
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Circuit breaker size S3 for motor protec
  • руб 33 617,70
  • За шт.
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  • RS-номер 202-1620
  • Бренд Siemens
  • Номер производителя (MPN) 3RV2041-4FA10
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Circuit breaker size S3 for motor protec
  • руб 33 617,70
  • За шт.
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  • RS-номер 202-1621
  • Бренд Siemens
  • Номер производителя (MPN) 3RV2041-4HA10
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Circuit breaker size S3 for motor protec
  • руб 33 617,70
  • За шт.
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  • RS-номер 202-1622
  • Бренд Siemens
  • Номер производителя (MPN) 3RV2041-4JA10
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Circuit breaker size S3 for motor protec
  • руб 37 587,61
  • За шт.
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  • RS-номер 202-1623
  • Бренд Siemens
  • Номер производителя (MPN) 3RV2041-4KA10
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Circuit breaker size S3 for motor protec
  • руб 39 945,29
  • За шт.
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  • RS-номер 202-1624
  • Бренд Siemens
  • Номер производителя (MPN) 3RV2041-4YA10
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Circuit breaker size S3 for motor protec
  • руб 41 062,75
  • За шт.
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  • RS-номер 202-1625
  • Бренд Siemens
  • Номер производителя (MPN) 3RV2041-4MA10
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MPW 690 V Motor Protection Circuit Breaker - 3P Channels, 80 A, 6 A
  • руб 31 013,18
  • За шт.
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  • RS-номер 201-3462
  • Бренд WEG
  • Номер производителя (MPN) MPW80-3-U080
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MPW 690 V Motor Protection Circuit Breaker - 3P Channels, 80 A, 6 A
  • руб 29 028,23
  • За шт.
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  • RS-номер 201-3466
  • Бренд WEG
  • Номер производителя (MPN) MPW80i-3-U080
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WEG MPW 690 V Motor Protection Circuit Breaker - 3P Channels, 40 A, 8 A
  • руб 23 198,23
  • За шт.
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  • RS-номер 201-3463
  • Бренд WEG
  • Номер производителя (MPN) MPW80i-3-U040
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WEG MPW 690 V Motor Protection Circuit Breaker - 3P Channels, 40 A, 8 A
  • руб 24 065,83
  • За шт.
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  • RS-номер 201-3459
  • Бренд WEG
  • Номер производителя (MPN) MPW80-3-U040
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WEG MPW 690 V Motor Protection Circuit Breaker - 3P Channels, 50 A, 8 A
  • руб 27 291,41
  • За шт.
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  • RS-номер 201-3460
  • Бренд WEG
  • Номер производителя (MPN) MPW80-3-U050
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WEG MPW 690 V Motor Protection Circuit Breaker - 3P Channels, 50 A, 8 A
  • руб 26 423,71
  • За шт.
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  • RS-номер 201-3464
  • Бренд WEG
  • Номер производителя (MPN) MPW80i-3-U050
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WEG MPW 690 V Motor Protection Circuit Breaker - 3P Channels, 65 A, 8 A
  • руб 28 780,08
  • За шт.
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  • RS-номер 201-3461
  • Бренд WEG
  • Номер производителя (MPN) MPW80-3-U065
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WEG MPW 690 V Motor Protection Circuit Breaker - 3P Channels, 65 A, 8 A
  • руб 27 664,23
  • За шт.
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  • RS-номер 201-3465
  • Бренд WEG
  • Номер производителя (MPN) MPW80i-3-U065
WEG Please note that the Stock level on this page is periodically updated during the day.

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Omron 24 V dc Motor Protection Circuit Breaker - 70 A
  • руб 30 811,30
  • За шт.
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  • RS-номер 194-7641
  • Бренд Omron
  • Номер производителя (MPN) S8V-CP0824
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70 А Please note that the Stock level on this page is periodically updated during the day.

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- - - Винт Please note that the Stock level on this page is periodically updated during the day.

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24 В пост. тока Please note that the Stock level on this page is periodically updated during the day.

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- 42мм Please note that the Stock level on this page is periodically updated during the day.

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- - 42 x 122,5 x 131 мм Please note that the Stock level on this page is periodically updated during the day.

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Omron 24 V dc Motor Protection Circuit Breaker - 40 A
  • руб 18 286,23
  • За шт.
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  • RS-номер 194-7640
  • Бренд Omron
  • Номер производителя (MPN) S8V-CP0424
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24 В пост. тока Please note that the Stock level on this page is periodically updated during the day.

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- - - - 44,8 x 94,8 x 95,1 мм Please note that the Stock level on this page is periodically updated during the day.

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Siemens 24 V Motor Protection Circuit Breaker - 3P Channels, 3 → 8.4 A
  • руб 3 159,16
  • За шт.
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  • RS-номер 196-3567
  • Бренд Siemens
  • Номер производителя (MPN) 3TG10101AC2
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- - - - - - - 63мм Please note that the Stock level on this page is periodically updated during the day.

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36 x 60 x 90 мм Please note that the Stock level on this page is periodically updated during the day.

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Siemens Sentron 500 V dc, 690 V ac Motor Protection Circuit Breaker - 3P Channels, 125 A, 85 @ 240 V kA
  • руб 101 519,82
  • За шт.
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  • RS-номер 196-3568
  • Бренд Siemens
  • Номер производителя (MPN) 3VA11125ED360AA0
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85 при 240 в ка Please note that the Stock level on this page is periodically updated during the day.

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- - 76.2мм Please note that the Stock level on this page is periodically updated during the day.

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88мм Please note that the Stock level on this page is periodically updated during the day.

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130мм Please note that the Stock level on this page is periodically updated during the day.

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