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  1. Pedersen

    Intrinsic safety "i" EN50020

    Does anyone have experience with faults in the European EN50020 Intrinsic safety "i" standard ? I'm questioning the Minimum igniting voltages curve in figure A.3. Group II capacitive circuits, while I have found curves in UL1604 and BS5501 part 7 (which are applicable for Group IIC -...
  2. Pedersen

    EN50020 Intrinsic safety "i"

    Does anyone have experience with faults in the European EN50020 Intrinsic safety "i" standard ? I'm questioning the Minimum igniting voltages curve in figure A.3. Group II capacitive circuits, while I have found curves in UL1604 and BS5501 part 7 (which are applicable for Group IIC -...

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