Sick Safety Locking Unit, FlexLock, FXL1-SPBUSA00

Sick Safety Locking Unit, FlexLock, FXL1-SPBUSA00
Sick Safety Locking Unit, FlexLock, FXL1-SPBUSA00
Sick Safety Locking Unit, FlexLock, FXL1-SPBUSA00
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Nikolas Automation Sys

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  • Brand: SICK
  • Model: FlexLock
Tool FunctionSafety Unit
Tool TypeLocking
Year of Prod.2019
New / Used ?NEW

Sick Safety Locking Unit, FlexLock, FXL1-SPBUSA00

14 Units for sale



  • RFID-monitored safety locking device with 180° actuation radius
  • Innovative design: Open locking head with 180° actuation radius, rounded housing, bright LEDs (visible from three sides)
  • PL e for door and locking monitoring with low or high coding
  • IP67 and IP69K enclosure rating
  • High locking force: Up to 3150 N
  • Flexible actuator for high offset tolerance


  • Features

    Sensor principleRFID
    Locking principlePower to release
    CodingUniquely coded
    Locking force Fmax 
    Flexible actuator4,100 N (EN ISO 14119)
    Rigid actuator (frontal)3,630 N (EN ISO 14119)
    Rigid actuator (lateral)3,510 N (EN ISO 14119)
    Locking force FZh 
    Flexible actuator3,150 N (EN ISO 14119)
    Rigid actuator (frontal)2,790 N (EN ISO 14119)
    Rigid actuator (lateral)2,700 N (EN ISO 14119)
    Actuation force20 N
    Retaining force30 N
    Force against which unlocking is possible≤ 25 N
    Actuation frequency≤ 1 Hz
    Approach speed≤ 20 m/min
  • Safety-related parameters

    Safety integrity levelSIL3 (IEC 61508)
    CategoryCategory 4 (EN ISO 13849) 1)
    Performance levelPL e (EN ISO 13849) 1)
    PFHD (mean probability of a dangerous failure per hour)6.79 x 10-9 2)
    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.
    • 1) Applies for monitoring of the door position (interlocking monitoring) and locking monitoring.
    • 2) At 40 °C and 0 m above sea level.
  • Functions

    Auxiliary release
    Switching behavior of the OSSDsLocking monitoring
    Safe series connection

    In control cabinet (with diagnostics)

    With Flexi Loop (with diagnostics)

    With T-connector (without diagnostics)

  • Interfaces

    Connection typePlug connector, M12, 8-pin
    Coupling nut materialStainless steel
    Diagnostics indicator
    Status display
  • Electrical data

    Protection classIII (IEC 61140)
    Contamination rating3 (IEC 60947-1)
    Classification according to cULusClass 2
    Usage categoryDC-13 (IEC 60947-5-3)
    Rated insulation voltage Ui32 V
    Rated impulse withstand voltage Uimp1,500 V
    Supply voltage VS24 V DC (19.2 V DC ... 28.8 V DC)
    Power consumption 
    Locking device unlocked65 mA
    Locking device locked65 mA
    Peak current800 mA, 200 ms
    Type of outputSelf-monitoring semiconductor outputs (OSSDs)
    Safety outputs2 PNP semiconductors, short-circuit protected, cross-circuit monitored
    Output current 
    Safety outputs≤ 100 mA
    Application diagnostic outputs≤ 50 mA
    Output voltageUV - 2 V DC ... UV
    Response time≤ 150 ms 1)
    Release time≤ 350 ms 1)
    Risk time150 ms 1)
    Switch-on time3 s
    Locking principlePower to release
    • 1) In safe series connection: The value increases by 70 ms with each additional switch.
  • Mechanical data

    Weight480 g
    Ball bracketStainless steel
    Latch plate of the actuatorStainless steel
    Plug connectorsStainless steel
    Mechanical life1 x 106 switching cycles
  • Ambient data

    Enclosure rating

    IP65 (IEC 60529)

    IP67 (IEC 60529)

    IP69K (IEC 20653)

    Ambient operating temperature–20 °C ... +55 °C
    Storage temperature–25 °C ... +70 °C
    Relative humidity10 % ... 95 %, at 40 °C (IEC 60068)
    Vibration resistance10 Hz ... 55 Hz, 1 mm (IEC 60068-2-6)
    Shock resistance30 g, 11 ms (EN 60068-2-27)

    EN IEC 61326-3-1

    EN IEC 60947-5-2

    EN IEC 60947-5-3

    EN 300330

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