Блоки вспомогательных контактов

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• Информационные материалы

  Информационные материалы

  Auxiliary switch: Terminal designations and identification numbers for auxiliary contacts

  Terminal designations

  The terminal designations are 2-digit, e.g. 13, 14, 21, 22:

  • Tens digit: Sequence digit
    • Related terminals have the same sequence digit
  • Units digit: Function digit
    • 1-2 for normally closed contacts (NC)
    • 3-4 for normally open contacts (NO)

  Identification numbers

  The identification number indicates the number and type of the auxiliary contacts, e.g. 40, 31, 22, 13:

  • 1st digit: number of normally open contacts (NO)
  • 2nd digit: number of normally closed contacts (NC)

  Examples:

  • 31 = 3 NO + 1 NC
  • 40 = 4 NO

  Selection aid for mountable auxiliary switch blocks for power contactors and contactor relays

  Selection aid see PDF below.

  ENG_495734.PDF