5. Installation instructions
31 User manual RHF-Active
5.3.5 Current transformer wiring
Terminal label Function / Terminal
CT_A CT S1 in Phase A（L1）
GND CT S2 in Phase A (L1.1)
CT_B CT S1 in Phase B（L2)
GND CT S2 in Phase B (L2.1)
CT_C CT S1 in Phase C（L3)
GND CT S2 in Phase C (L3.1)
PE Protective wire / screening
Hint: To achieve best performance of RHF-active the pairs CT_A+GND, CT_B+GND and
CT_C+GND should be twisted.
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