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Goals and Symptoms
CSH120 and CSH200 Zero Sequence Current Transformers (CTs) Installation Sheet, Instruction Bulletin (ANSI), 63230-216-241A1, May 2007
The specifically designed CSH120 and CSH200 zero sequence current transformers (CTs) measure direct residual current (Ir). The only difference between them is the diameter. Due to their LOW_VOLTAGE insulation, they are used only on fully insulated cables.
Facts and Changes
Causes and Fixes