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WSPLVL100G

In an overvoltage ‘fault’ condition, the GDT (Gas Discharge Tube) presents itself as a virtual short circuit. This effectively diverts the resultant surge current to the referenced ground plane.

The voltage time curve illustrates the key operating areas of the GDT, with the prospective current that will flow through the device largely dependant on the source impedance. With the voltage increasing across the GDT terminals, at a critical point it will begin to conduct. It has entered the Glow Region. Here the gas within the device begins to rapidly ionise, lowering the internal impedance. Surge ‘fault’ current will now flow, limiting the voltage imposed on downstream equipment.

Typically, the voltage now across the device, the Arc Voltage, can be a few 10’s of volts depending on the rating. When the energy within the fault condition falls to a level that cannot maintain the Arc condition, the LVL will recover to its original ‘no fault’ condition. That is a high impedance, non-conducting state.

Features and Benefits:

  • Simple to install.
  • Maximum withstand Voltage (Uw) 60Vdc.
Reference Voltage (Uref)Max. Continuous Operating Voltage (Uc)Rated Voltage (Ur)Maximum Leakage Current at 60VDCMaximum Discharge Current 8/20μsTightening Torque for M12 FittingTightening Torque for M16 FittingPart Number
Reference Voltage (Uref)80V-120V at 1mA DCMax. Continuous Operating Voltage (Uc)60VdcRated Voltage (Ur)60VdcMaximum Leakage Current at 60VDC<10μAMaximum Discharge Current 8/20μs1 x 25kA 10 x 10kATightening Torque for M12 Fitting33Nm maxTightening Torque for M16 Fitting80Nm maxPart NumberWSPLVL100G

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