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SIGNEXT Class 2 Current Limiter

Brand: Emphatec

This module is an electronic device that limits energy to levels compliant with Class 2 requirements. It is used as an interface between a non-class 2 power supply and class 2 circuits. 

Multiple modules can be used with a single 24 Vdc power supply. Redundant current sensing and switching circuits provide high reliablity and safe operation - even if one portion of the circuitry is damaged it should still be possible to switch off power to the load(s) if the current exceeds the class 2 levels. By simply re-positioning a jumper the module can be configured for external control thus functioning as a relay as well as a current limiter.
Features
  • Allows any power supply to be used in Class 2 Limited Energy applications

  • Multiple modules can be used with a single power supply

  • Can be configured to function as a solid state relay

  • Redundant current sensing and switching circuits for high reliablity and safety

  • Includes overload and short circuit protection

  • UL recognized

  • Specifications

    Brand

    Approvals & Certifications

    • UL Recognized, UL 2367, E33847

    Current

    • Quiescent Current: Approximately 30 mA

    Electrical Connectors

    • 26 to 12 AWG, 0.4 Nm Tightening Torque
    • Control & Monitoring I/O: 28 to 14 AWG, 0.2 Nm Tightening Torque

    Indication

    • LED

    Input

    • Reset Digital Input: 24 Vdc Nominal, 5 mA

    Operating Temperature

    • Operating Temperature: -20° to 50° C (-4° to 122° F)

    Response Time

    • Overload: Fault Detected if Output Exceeds 4.0 A for 22 milliseconds Nominal (150 ms Min.)
    • Short Circuit: Fault Detected if Output is Shorted for 15 µs

    Supply Voltage

    • Nominal: 24 Vdc

    Voltage Drop

    • Input-Output: 30 mV/A Nominal

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