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SIEMENS 3SK1211-1BB40 output expansion module
SIEMENS 3SK1211-1BB40 output expansion module

SIEMENS 3SK1211-1BB40 output expansion module

  • Output expansion in safety circuits
  • Emergency stop systems
  • Safety doors and barrier systems
  • Extension of safety functions in industrial automation
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    SIEMENS 3SK1211-1BB40 is an output expansion module from the SIRIUS 3SK1 series. It includes 4 NO safety outputs and 1 NC signaling output. Supply voltage is 24 V DC, connection type is screw terminal, and protection class is IP20.

    General:

    • Series: SIRIUS 3SK1
    • Type: Output expansion module
    • Supply voltage: 24 V DC
    • Safety outputs: 4 x NO
    • Signaling output: 1 x NC
    • Protection class: IP20
    • Insulation voltage: 300 V
    • Surge voltage resistance: 4000 V
    • Shock resistance: 10g / 11 ms
    • Vibration resistance: 5–500 Hz, 0.75 mm
    • Mechanical endurance: 10,000,000 operations
    • Thermal current: 5 A
    • Mounting: DIN rail, screw and snap-on
    • Dimensions: 100 mm (H) × 22.5 mm (W) × 121.6 mm (D)
    • Weight: 222 g
    • Operating temperature: –25 °C to +60 °C
    • Storage temperature: –40 °C to +80 °C
    • Installation altitude: Max. 4000 m
    • Humidity: 10% to 95%

    ????️ Safety Data:

    • SIL level: SIL3 (IEC 61508, IEC 62061)
    • Performance level (PL): e (ISO 13849-1)
    • Category: 4
    • PFHD: 1.7 × 10⁻⁹ 1/h
    • PFDavg: 1 × 10⁻⁶ 1/y
    • Hardware fault tolerance: Type A
    • Service life (T1): 20 years
    • Stop category: 0 (IEC 60204-1)