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Non-contact safety switches
STR1 / Transponder safety switch / Sensor and actuator

STR1-SASU0AC8
1072710
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    • Features
      System partSensor and actuator
      Sensor principleTransponder
      Number of safe outputs2
      Auxiliary contact (AUX)1 (Switching behavior complementary to OSSDs)
      Safe switch on distance Sao10 mm (–30 °C ... +70 °C) 1)
      Safe switch off distance Sar25 mm 1)
      Active sensor surfaces3
      Actuation directions5
      CodingUniquely coded
      • 1) Values apply for the frontal alignment of the sensor to the actuator. A detailed display of the alignment options and values can be found in the operating instructions.
    • Safety-related parameters
      Safety integrity level

      SIL3 (IEC 61508)

      SILCL3 (EN 62061)

      CategoryCategory 4 (EN ISO 13849)
      Performance levelPL e (EN ISO 13849)
      PFHD (mean probability of a dangerous failure per hour)5,21 x 10-9 (EN ISO 13849)
      TM (mission time)20 years (EN ISO 13849)
      TypeType 4 (EN ISO 14119)
      Actuator coding levelHigh coding level (EN ISO 14119)
      Safe state in the event of a faultAt least one safety-related semiconductor output (OSSD) is in the OFF state.
    • Functions
      Safe series connection

      With T-connector (without diagnostics)

      With Flexi Loop (with diagnostics)

    • Interfaces
      Connection typeCable with plug M12, 8-pin
      Length of cable0.2 m
      Cable materialPVC
      Long connecting cable≤ 200 m
      Diagnostics indicator
      Status display
    • Electrical data
      Protection classIII (IEC 61140)
      Classification according to cULusClass 2
      Supply voltage Vs24 V DC (19.2 V DC ... 28.8 V DC)
      Power consumption50 mA
      Type of outputSelf-monitoring semiconductor outputs (OSSDs)
      Output current≤ 100 mA
      Response time40 ms 1)
      Enable time100 ms 1) 2)
      Risk time80 ms 1) 3)
      Switch-on time2.5 s 4)
      • 1) In a safe series connection, each downstream safety switch increases the system response time. More response times can be found in the operating instructions.
      • 2) Response time on approach to the enable zone.
      • 3) Detection time for internal oder external faults (e.g., short-circuit or cross-circuit of output signal switching devices). Follow the detailed information in the operating instructions.
      • 4) The time specified applies to one sensor after the supply voltage has been applied to the safety switch. In a safe series connection, 0.1¬s must be added for each sensor. An additional 0.5¬s per taught-in actuator must be added for uniquely coded and permanently coded sensors.
    • Mechanical data
      Dimensions (W x H x D)40 mm x 18 mm x 26 mm
      Weight82 g
      Housing materialVISTAL®
    • Ambient data
      Enclosure rating

      IP67 (EN 60529)

      IP69K (ISO 20653)

      Ambient operating temperature–30 °C ... +70 °C 1)
      Storage temperature–30 °C ... +70 °C
      Vibration resistance10 Hz ... 55 Hz, 1 mm (IEC 60068-2-6)
      Shock resistance30 g, 11 ms (IEC 60068-2-27)
      EMC

      EN IEC 61326-3-1

      EN IEC 60947-5-2

      EN IEC 60947-5-3

      EN 300330 V2.1.1

      • 1) Only applies for safety switches whose serial numbers begin with number series 1825**** or higher. For safety switches whose serial numbers deviate from this, an ambient operating temperature of-10 °C ... +70 °C applies.
        The serial number is displayed on the safety switch over the data matrix code.
    • Classifications
      ECl@ss 5.027272403
      ECl@ss 5.1.427272403
      ECl@ss 6.027272403
      ECl@ss 6.227272403
      ECl@ss 7.027272403
      ECl@ss 8.027272403
      ECl@ss 8.127272403
      ECl@ss 9.027272403
      ECl@ss 10.027272403
      ECl@ss 11.027272403
      ETIM 5.0EC001829
      ETIM 6.0EC001829
      ETIM 7.0EC001829
      UNSPSC 16.090139122205

    Technical drawings

    STR1-SASU0AC8
    Dimensional drawing Sensor with cable and male connector
    STR1-SASU0AC8
    Dimensional drawing "Standard" actuator
    STR1-SASU0AC8
    Response range "Standard" actuator, active front sensor surface
    STR1-SASU0AC8
    Response range "Standard" actuator, active side sensor surface
    STR1-SASU0AC8
    Connection diagram
    STR1-SASU0AC8
    Connection single sensor
    STR1-SASU0AC8
    Series connection with T-piece (without diagnostics)
    STR1-SASU0AC8
    Connection diagram Series connection of three STR1 transponder safety switches to a Flexi Classic safety controller
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