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  1. Catalog
  2. SIEMENS
  3. Low-Voltage Controls and Distribution
  4. Circuit breakers
Circuit breakers 3RV Circuit breakers 3VA Circuit breakers 3VF Circuit breakers 3VL Circuit breakers 3VT Circuit breakers 3WA Circuit breakers 3WL Circuit breakers 5SJ, 5SL, 5SY, 5SP Circuit breakers 5SK Circuit breakers 5SM, 5SV Circuit breakers 5SU Circuit breakers Circuit breakers Accessories

Circuit breakers Items 25057 - 25152 of 25221 ⍾ SIEMENS ⍾ Last modified Jun 4, 2026

Catalog up 3RV Circuit breakers 3VA Circuit breakers 3VF Circuit breakers 3VL Circuit breakers 3VT Circuit breakers 3WA Circuit breakers 3WL Circuit breakers 5SJ, 5SL, 5SY, 5SP Circuit breakers 5SK Circuit breakers 5SM, 5SV Circuit breakers 5SU Circuit breakers Circuit breakers Accessories

Circuit breakers ⍾ Page 262

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  • SIEMENS 5SY8302-8
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    5SY8302-8

    CIRCUIT BREAKER 400V 25KA, 3POLE, D, 2A, D=70MM

  • SIEMENS 5SY8303-7
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    5SY8303-7

    CIRCUIT BREAKER 400V 25KA, 3POLE, C, 3A, D=70MM

  • SIEMENS 5SY8303-8
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    5SY8303-8

    CIRCUIT BREAKER 400V 25KA, 3POLE, D, 3A, D=70MM

  • SIEMENS 5SY8304-7
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    5SY8304-7

    Miniature circuit breaker 400 V D=70 mm 25 kA according to EN 60947-2, 3P, C4

  • SIEMENS 5SY8304-8
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    5SY8304-8

    CIRCUIT BREAKER 400V 25KA, 3POLE, D, 4A, D=70MM

  • SIEMENS 5SY8305-7
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    5SY8305-7

    Miniature circuit breaker 400 V D=70 mm 25 kA according to EN 60947-2, 3P, C0.5

  • SIEMENS 5SY8305-8
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    5SY8305-8

    CIRCUIT BREAKER 400V 25KA, 3POLE, D, 0.5A, D=70MM

  • SIEMENS 5SY8306-7
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    5SY8306-7

    Miniature circuit breaker 400 V D=70 mm 25 kA according to EN 60947-2, 3P, C6

  • SIEMENS 5SY8306-8
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    5SY8306-8

    CIRCUIT BREAKER 400V 25KA, 3POLE, D, 6A, D=70MM

  • SIEMENS 5SY8308-7
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    5SY8308-7

    CIRCUIT BREAKER 400V 25KA, 3POLE, C, 8A, D=70MM

  • SIEMENS 5SY8308-8
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    5SY8308-8

    CIRCUIT BREAKER 400V 25KA, 3POLE, D, 8A, D=70MM

  • SIEMENS 5SY8310-7
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    5SY8310-7

    Miniature circuit breaker 400 V D=70 mm 25 kA according to EN 60947-2, 3P, C10

  • SIEMENS 5SY8310-8
    Product details Add to RFQ Add to RFQ

    5SY8310-8

    Miniature circuit breaker 400 V D=70 mm 25 kA according to EN 60947-2, 3P, D10

  • SIEMENS 5SY8310-8BB08
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    5SY8310-8BB08

    CIRCUIT BREAKER 400V 25KA, 3-POLE, 10A, D=70MM ONLY MAGNETIC TRIPPING

  • SIEMENS 5SY8313-7
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    5SY8313-7

    Miniature circuit breaker 400 V D=70 mm 25 kA according to EN 60947-2, 3P, C13

  • SIEMENS 5SY8313-8
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    5SY8313-8

    CIRCUIT BREAKER 400V 25KA, 3POLE, D, 13A, D=70MM

  • SIEMENS 5SY8314-7
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    5SY8314-7

    CIRCUIT BREAKER 400V 25KA, 3POLE, C, 0.3A, D=70MM

  • SIEMENS 5SY8314-8
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    5SY8314-8

    CIRCUIT BREAKER 400V 25KA, 3POLE, D, 0.3A, D=70MM

  • SIEMENS 5SY8315-7
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    5SY8315-7

    CIRCUIT BREAKER 400V 25KA, 3POLE, C, 1.6A, D=70MM

  • SIEMENS 5SY8315-8
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    5SY8315-8

    CIRCUIT BREAKER 400V 25KA, 3POLE, D, 1.6A, D=70MM

  • SIEMENS 5SY8316-7
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    5SY8316-7

    Miniature circuit breaker 400 V D=70 mm 25 kA according to EN 60947-2, 3P, C16

  • SIEMENS 5SY8316-8
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    5SY8316-8

    CIRCUIT BREAKER 400V 25KA, 3POLE, D, 16A, D=70MM

  • SIEMENS 5SY8316-8BB08
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    5SY8316-8BB08

    CIRCUIT BREAKER 400V 25KA, 3-POLE, 16A, D=70MM ONLY MAGNETIC TRIPPING

  • SIEMENS 5SY8320-7
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    5SY8320-7

    Miniature circuit breaker 400 V D=70 mm 25 kA according to EN 60947-2, 3P, C20

  • SIEMENS 5SY8320-8
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    5SY8320-8

    CIRCUIT BREAKER 400V 25KA, 3POLE, D, 20A, D=70MM

  • SIEMENS 5SY8320-8BB08
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    5SY8320-8BB08

    CIRCUIT BREAKER 400V 25KA, 3-POLE, 20A, D=70MM ONLY MAGNETIC TRIPPING

  • SIEMENS 5SY8324-8BB08
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    5SY8324-8BB08

    CIRCUIT BREAKER 400V 25KA, 3-POLE, 12.5A, D=70MM ONLY MAGNETIC TRIPPING

  • SIEMENS 5SY8325-7
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    5SY8325-7

    Miniature circuit breaker 400 V D=70 mm 25 kA according to EN 60947-2, 3P, C25

  • SIEMENS 5SY8325-8
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    5SY8325-8

    CIRCUIT BREAKER 400V 25KA, 3POLE, D, 25A, D=70MM

  • SIEMENS 5SY8325-8BB08
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    5SY8325-8BB08

    CIRCUIT BREAKER 400V 25KA, 3-POLE, 25A, D=70MM ONLY MAGNETIC TRIPPING

  • SIEMENS 5SY8332-7
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    5SY8332-7

    Miniature circuit breaker 400 V D=70 mm 25 kA according to EN 60947-2, 3P, C32

  • SIEMENS 5SY8332-8
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    5SY8332-8

    Miniature circuit breaker 400 V D=70 mm 25 kA according to EN 60947-2, 3P, D32

  • SIEMENS 5SY8332-8BB08
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    5SY8332-8BB08

    CIRCUIT BREAKER 400V 25KA, 3-POLE, 32A, D=70MM ONLY MAGNETIC TRIPPING

  • SIEMENS 5SY8340-7
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    5SY8340-7

    Miniature circuit breaker 400 V D=70 mm 25 kA according to EN 60947-2, 3P, C40

  • SIEMENS 5SY8340-8
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    5SY8340-8

    Miniature circuit breaker 400 V D=70 mm 25 kA according to EN 60947-2, 3P, D40

  • SIEMENS 5SY8340-8BB08
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    5SY8340-8BB08

    CIRCUIT BREAKER 400V 25KA, 3-POLE, 40A, D=70MM ONLY MAGNETIC TRIPPING

  • SIEMENS 5SY8350-7
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    5SY8350-7

    Miniature circuit breaker 400 V D=70 mm 25 kA according to EN 60947-2, 3P, C50

  • SIEMENS 5SY8350-8
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    5SY8350-8

    CIRCUIT BREAKER 400V 25KA, 3POLE, D, 50A, D=70MM

  • SIEMENS 5SY8350-8BB08
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    5SY8350-8BB08

    CIRCUIT BREAKER 400V 20KA, 3-POLE, 50A, D=70MM ONLY MAGNETIC TRIPPING

  • SIEMENS 5SY8363-7
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    5SY8363-7

    Miniature circuit breaker 400 V D=70 mm 25 kA according to EN 60947-2, 3P, C63

  • SIEMENS 5SY8363-8
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    5SY8363-8

    Miniature circuit breaker 400 V D=70 mm 25 kA according to EN 60947-2, 3P, D63

  • SIEMENS 5SY8363-8BB08
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    5SY8363-8BB08

    CIRCUIT BREAKER 400V 20KA, 3-POLE, 63A, D=70MM ONLY MAGNETIC TRIPPING

  • SIEMENS 5SY8401-7
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    5SY8401-7

    CIRCUIT BREAKER 400V 25KA, 4POLE, C, 1A, D=70MM

  • SIEMENS 5SY8401-8
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    5SY8401-8

    CIRCUIT BREAKER 400V 25KA, 4POLE, D, 1A, D=70MM

  • SIEMENS 5SY8402-7
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    5SY8402-7

    CIRCUIT BREAKER 400V 25KA, 4POLE, C, 2A, D=70MM

  • SIEMENS 5SY8402-8
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    5SY8402-8

    CIRCUIT BREAKER 400V 25KA, 4POLE, D, 2A, D=70MM

  • SIEMENS 5SY8403-7
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    5SY8403-7

    CIRCUIT BREAKER 400V 25KA, 4POLE, C, 3A, D=70MM

  • SIEMENS 5SY8403-8
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    5SY8403-8

    CIRCUIT BREAKER 400V 25KA, 4POLE, D, 3A, D=70MM

  • SIEMENS 5SY8404-7
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    5SY8404-7

    CIRCUIT BREAKER 400V 25KA, 4POLE, C, 4A, D=70MM

  • SIEMENS 5SY8404-8
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    5SY8404-8

    CIRCUIT BREAKER 400V 25KA, 4POLE, D, 4A, D=70MM

  • SIEMENS 5SY8405-7
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    5SY8405-7

    CIRCUIT BREAKER 400V 25KA, 4POLE, C, 0.5A, D=70MM

  • SIEMENS 5SY8405-8
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    5SY8405-8

    CIRCUIT BREAKER 400V 25KA, 4POLE, D, 0.5A, D=70MM

  • SIEMENS 5SY8406-7
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    5SY8406-7

    CIRCUIT BREAKER 400V 25KA, 4POLE, C, 6A, D=70MM

  • SIEMENS 5SY8406-8
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    5SY8406-8

    CIRCUIT BREAKER 400V 25KA, 4POLE, D, 6A, D=70MM

  • SIEMENS 5SY8408-7
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    5SY8408-7

    CIRCUIT BREAKER 400V 25KA, 4POLE, C, 8A, D=70MM

  • SIEMENS 5SY8408-8
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    5SY8408-8

    CIRCUIT BREAKER 400V 25KA, 4POLE, D, 8A, D=70MM

  • SIEMENS 5SY8410-7
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    5SY8410-7

    Miniature circuit breaker 400 V D=70 mm 25 kA according to EN 60947-2, 4P, C10

  • SIEMENS 5SY8410-8
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    5SY8410-8

    CIRCUIT BREAKER 400V 25KA, 4POLE, D, 10A, D=70MM

  • SIEMENS 5SY8410-8BB08
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    5SY8410-8BB08

    CIRCUIT BREAKER 400V 25KA, 4-POLE, 10A, D=70MM ONLY MAGNETIC TRIPPING

  • SIEMENS 5SY8413-7
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    5SY8413-7

    Miniature circuit breaker 400 V D=70 mm 25 kA according to EN 60947-2, 4P, C13

  • SIEMENS 5SY8413-8
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    5SY8413-8

    CIRCUIT BREAKER 400V 25KA, 4POLE, D, 13A, D=70MM

  • SIEMENS 5SY8414-7
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    5SY8414-7

    CIRCUIT BREAKER 400V 25KA, 4POLE, C, 0.3A, D=70MM

  • SIEMENS 5SY8414-8
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    5SY8414-8

    CIRCUIT BREAKER 400V 25KA, 4POLE, D, 0.3A, D=70MM

  • SIEMENS 5SY8415-7
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    5SY8415-7

    CIRCUIT BREAKER 400V 25KA, 4POLE, C, 1.6A, D=70MM

  • SIEMENS 5SY8415-8
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    5SY8415-8

    CIRCUIT BREAKER 400V 25KA, 4POLE, D, 1.6A, D=70MM

  • SIEMENS 5SY8416-7
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    5SY8416-7

    CIRCUIT BREAKER 400V 25KA, 4POLE, C, 16A, D=70MM

  • SIEMENS 5SY8416-8
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    5SY8416-8

    CIRCUIT BREAKER 400V 25KA, 4POLE, D, 16A, D=70MM

  • SIEMENS 5SY8416-8BB08
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    5SY8416-8BB08

    CIRCUIT BREAKER 400V 25KA, 4-POLE, 16A, D=70MM ONLY MAGNETIC TRIPPING

  • SIEMENS 5SY8420-7
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    5SY8420-7

    Miniature circuit breaker 400 V D=70 mm 25 kA according to EN 60947-2, 4P, C20

  • SIEMENS 5SY8420-8
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    5SY8420-8

    CIRCUIT BREAKER 400V 25KA, 4POLE, D, 20A, D=70MM

  • SIEMENS 5SY8420-8BB08
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    5SY8420-8BB08

    CIRCUIT BREAKER 400V 25KA, 4-POLE, 20A, D=70MM ONLY MAGNETIC TRIPPING

  • SIEMENS 5SY8424-8BB08
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    5SY8424-8BB08

    CIRCUIT BREAKER 400V 25KA, 4-POLE, 12.5A, D=70MM ONLY MAGNETIC TRIPPING

  • SIEMENS 5SY8425-7
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    5SY8425-7

    Miniature circuit breaker 400 V D=70 mm 25 kA according to EN 60947-2, 4P, C25

  • SIEMENS 5SY8425-8
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    5SY8425-8

    CIRCUIT BREAKER 400V 25KA, 4POLE, D, 25A, D=70MM

  • SIEMENS 5SY8425-8BB08
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    5SY8425-8BB08

    CIRCUIT BREAKER 400V 25KA, 4-POLE, 25A, D=70MM ONLY MAGNETIC TRIPPING

  • SIEMENS 5SY8432-7
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    5SY8432-7

    CIRCUIT BREAKER 400V 25KA, 4POLE, C, 32A, D=70MM

  • SIEMENS 5SY8432-8
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    5SY8432-8

    CIRCUIT BREAKER 400V 25KA, 4POLE, D, 32A, D=70MM

  • SIEMENS 5SY8432-8BB08
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    5SY8432-8BB08

    CIRCUIT BREAKER 400V 25KA, 4-POLE, 32A, D=70MM ONLY MAGNETIC TRIPPING

  • SIEMENS 5SY8440-7
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    5SY8440-7

    Miniature circuit breaker 400 V D=70 mm 25 kA according to EN 60947-2, 4P, C40

  • SIEMENS 5SY8440-8
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    5SY8440-8

    CIRCUIT BREAKER 400V 25KA, 4POLE, D, 40A, D=70MM

  • SIEMENS 5SY8440-8BB08
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    5SY8440-8BB08

    CIRCUIT BREAKER 400V 25KA, 4-POLE, 40A, D=70MM ONLY MAGNETIC TRIPPING

  • SIEMENS 5SY8450-7
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    5SY8450-7

    Miniature circuit breaker 400 V D=70 mm 25 kA according to EN 60947-2, 4P, C50

  • SIEMENS 5SY8450-8
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    5SY8450-8

    CIRCUIT BREAKER 400V 25KA, 4POLE, D, 50A, D=70MM

  • SIEMENS 5SY8450-8BB08
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    5SY8450-8BB08

    CIRCUIT BREAKER 400V 20KA, 4-POLE, 50A, D=70MM ONLY MAGNETIC TRIPPING

  • SIEMENS 5SY8463-7
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    5SY8463-7

    Miniature circuit breaker 400 V D=70 mm 25 kA according to EN 60947-2, 4P, C63

  • SIEMENS 5SY8463-8
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    5SY8463-8

    CIRCUIT BREAKER 400V 25KA, 4POLE, D, 63A, D=70MM

  • SIEMENS 5SY8463-8BB08
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    5SY8463-8BB08

    CIRCUIT BREAKER 400V 20KA, 4-POLE, 63A, D=70MM ONLY MAGNETIC TRIPPING

  • SIEMENS 5SY8501-7
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    5SY8501-7

    CIRCUIT BREAKER 230V 25KA, 1+N-POLE, C, 1A, D=70M

  • SIEMENS 5SY8501-8
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    5SY8501-8

    CIRCUIT BREAKER 230V 25KA, 1+N-POLE, D, 1A, D=70M

  • SIEMENS 5SY8502-7
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    5SY8502-7

    Miniature circuit breaker 230 V D=70 mm 25 kA according to EN 60947-2, 1P+N, C2

  • SIEMENS 5SY8502-8
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    5SY8502-8

    CIRCUIT BREAKER 230V 25KA, 1+N-POLE, D, 2A, D=70M

  • SIEMENS 5SY8503-7
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    5SY8503-7

    CIRCUIT BREAKER 230V 25KA, 1+N-POLE, C, 3A, D=70M

  • SIEMENS 5SY8503-8
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    5SY8503-8

    CIRCUIT BREAKER 230V 25KA, 1+N-POLE, D, 3A, D=70M

  • SIEMENS 5SY8504-7
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    5SY8504-7

    Miniature circuit breaker 230 V D=70 mm 25 kA according to EN 60947-2, 1P+N, C4

  • SIEMENS 5SY8504-8
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    5SY8504-8

    CIRCUIT BREAKER 230V 25KA, 1+N-POLE, D, 4A, D=70M

  • SIEMENS 5SY8505-7
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    5SY8505-7

    CIRCUIT BREAKER 230V 25KA, 1+N-POLE, C, 0.5A, D=70M

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