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Casey Heater

Short Circuit Current Ratings for Industrial Control Panels | Automation World - 0 views

  • UL508A. Per Section SB, the overall panel SCCR can be determined using the following steps: Establish the SCCR of individual power circuit components as specified in SB4.2. Modify the available SCCR within a portion of a circuit in the panel due to the presence of current limiting components as specified in SB4.3. Determine the overall panel SCCR as specified in SB4.4.
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