Electro-mechanical safety switches
i11S / Safety switches with separate actuator

Please note: The actuator has to be ordered separately. See "Accessories" for further
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    • Features
      Number of positive action N/C contacts2
      Number of N/O contacts1
      Retaining force≤ 10 N
      Actuation frequency≤ 7,000 /h
      Actuation directions5
      Approach speed≤ 20 m/min
    • Safety-related parameters
      B10d parameter4 x 106 switching cycles (with small load)
      TypeType 2 (EN ISO 14119)
      Actuator coding levelLow coding level (EN ISO 14119)
      Safe state in the event of a faultThe switch has no internal fault detection and is unable to assume a safe state in the event of a fault. Fault detection is performed by the connected safety-related logic unit.
    • Functions
      Safe series connectionNone, only individual wiring (with diagnostics)
    • Interfaces
      Connection typeCable gland, 3 x M16
      Conductor cross-section≤ 1.5 mm²
    • Electrical data
      Switching principleSlow action switching element
      Usage categoryAC-15/DC-13
      Rated operating current (voltage)

      4 A (230 V AC)

      4 A (24 V DC)

      Rated insulation voltage Ui250 V
      Rated impulse withstand voltage Uimp2,500 V
      Short-circuit protection4 A gG
      Switching voltage≥ 12 V DC
      Switching current (switching voltage)≥ 1 mA (24 V DC)
    • Mechanical data
      Weight+ 0.1 kg
      Housing materialGlass-fiber reinforced thermoplastic
      Mechanical life1 x 106 switching cycles
    • Ambient data
      Enclosure ratingIP67
      Ambient operating temperature–20 °C ... +80 °C
      Storage temperature–20 °C ... +80 °C
    • Classifications
      ECl@ss 5.027272602
      ECl@ss 5.1.427272602
      ECl@ss 6.027272602
      ECl@ss 6.227272602
      ECl@ss 7.027272602
      ECl@ss 8.027272602
      ECl@ss 8.127272602
      ECl@ss 9.027272602
      ECl@ss 10.027272602
      ECl@ss 11.027272602
      ETIM 5.0EC002592
      ETIM 6.0EC002592
      ETIM 7.0EC002592
      ETIM 8.0EC002592
      UNSPSC 16.090139122205

    Technical drawings

    Dimensional drawing
    Switching elements
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