Page 208 - Sace Emax 2 Catalogue
P. 208

9/8              SACE EMA X 2 LOW VOLTAGE AIR CIRCUIT-BRE AKERS



          —

          Terminal box E1.2






                                                                            Diagram figure number  n



                                            Q/4    42 44
                                                   41
                                                   32     41  42  44  Q4
                                            Q/3    34
                                   81              31     31  32  34  Q3  Open/closed auxiliary contacts  81
                                                   22
                                            Q/2                      of circuit-breaker (first set)
                                                   24
                                                   21
                                             Q/1   12 14  21  22  24  Q2
                                                   11
                                                          11  12  14  Q1
                                                   C11
                            C11
                 75     YO  C12    76    YO   K51 YO  C13  C11  C13  C12  YO  First shunt trip        75 76
                                                   C12
                                                   C1
                 77     YC   C1    78    YC   K51  C3     C1  C3  C2  YC  First closing coil          77 78
                            C2                  YC  C2
                                   73
                 72     YO2  D2 D1  74   YU        D2 D1  D1   D2  YU  YO2  Second shunt trip or undervoltage release  72  73 74
                                                   46     45  46  48  RTC  Ready to close contact     71
                                             RTC
                         in alternative  71        48 45
          41  K51/SIGN  H12  K51/SIGN  K12  K51/SYNC  KS1  48
                  O 12     I 12  K14     O SC  KS2
             K51/SIGN  H11           K51/SYNC
                  O 11  K51/SIGN  K11   Vs   VS1
                    HC1    I 11  K13         VS2                 Module  Signalling modules           41 42  43
          42  K51/SIGN  H22  K51/SIGN  K22  K51/COM  51
                  O 22     I 22  K24       W..   ..                     and/or Ekip Synchrocheck      48
             K51/SIGN  H21
                  O 21  K51/SIGN  K21    PORTA COMUNIC.  COMMUN. PORT  ..  and/or communication modules  51  ..  ..  58
                    HC2    I 21  K23
                                                 58
          43  K51/SIGN  H32  K51/SIGN  K32  K51/COM  61          Module  and/or redundant communication modules  61  ..  ..  66
                  O 32     I 32  K34             ..
             K51/SIGN  H31                REDUNDANT W..R
                  O 31  K51/SIGN  K31  PORTA COMUNIC.  COMMUN. PORT  RIDONDANTE  ..
                    HC3    I 31  K33             66
                                          K51/..   W3
                                       31       LOCAL BUS  W4  K1  K2  EKIP Supply  Auxiliary supply and local bus  31  32
                                       32  ALIM. AUS.  +/L  K1  W3  W4
                                           AUX. SUPPLY  -/N  K2
                            K51                           Ne-  Ne+  Rca                               27
                         27         Ne+    K51     Szi               Current sensor input on external neutral
                                    Ne-
             K51            K51                    Szo    Szi  Szo  Gzi  Zone selectivity             26
                                    Rct  26        Gzi
                     Ge +           Rca            Gzo                                                25
          25         Ge –  24       Ge+            Szc    Ge  Ge  Szc  Trip Unit I/O  Transformer star centre sensor input
                                    Ge-
                                                          Vn  Rct  Gzo                                24 24A
             K51/MEAS      K51/MEAS       K51/MEAS                   RC residual current protection sensor input
                                    VN             VN
                         21                        V1     V3  V2  V1                                  20 21 22 23
          20                            23         V2                Measurement module
                         22                        V3
                   N  L1 L2  L3   L1 L2 L3         R1                Remote reset
                                   14    YR        R2     R1  R2  YR                                  14
                                            F1  S33M/1  U1           Motor                            13
                                   13   M          U2       U1  U2  M
                                      12  S33M/2   36 38  35  36  38  S33  Contact for signalling position of loaded springs  12
                                                   35 96
                                      11    S51    98     95  96  98  S51  Trip signalling contact    11
                                                   95
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