ABB Relion 620 Series - Page 48

Section 3 1MAC308145-MB E
RER620 application
42 RER620
Application Manual
Figure 25: Breaker (trip) failure protection
SCCBRBRF1(50BFT
BLOCK PICKUP PICKUP_A PICKUP_B PICKUP_C POSCLOSE_A POSCLOSE_B POSCLOSE_C CB_FAULT
CB_FAULT_AL
TRBU
TRBU_A TRBU_B
TRBU_C
TRRET
TRRET_A TRRET_B
TRRET_C
OR
B1 B2
O
OR
B1 B2
O
OR
B1 B2
O
OR
B1 B2
O
OR6
B1 B2 B3 B4 B5 B6
O
OR6
B1 B2 B3 B4 B5 B6
O
TRIP_FAIL_SET
SCCBRBRF1_50BF_TRBU
SDAOGGIO1_79-OUT_OPEN_CB_A
SDAOGGIO1_79-OUT_OPEN_CB_B SDAOGGIO1_79-OUT_OPEN_CB_C
SDAOGGIO1_79-OUT_OPEN_CB_3P
PH_ORD_OUT_X115_CL_IN1_A PH_ORD_OUT_X115_CL_IN2_B PH_ORD_OUT_X115_CL_IN3_C
SCBXCBR1_52_EXE_OP_A
SCBXCBR1_52_EXE_OP_B
SCBXCBR1_52_EXE_OP_C
SCBXCBR1_52_EXE_OP_3P
SCCBRBRF1_50BF_TRRET_C SCCBRBRF1_50BF_TRRET_A SCCBRBRF1_50BF_TRRET_B SCCBRBRF1_50BF_TRRET
RETRIP_3P