3D Disconnectors and Earthing Switches                                                                                                  Equipment Selection
Built-on components for disconnectors
Disconnector with motor operating mechanism                                                        Position:   1   2    3   4   5   6   7   –   8   9           Order codes
                                                                                                Order No.:     3 D n n n n n – n n – «                          n n n
    Number of motors                                      Rated voltage of motor
    One motor for disconnector                             60 V DC                                                                                      –   Z   A   0   3
                                                          110 V DC                                                                                      –   Z   A   0   4
                                                          220 V DC                                                                                      –   Z   A   0   6
                                                          230 V AC                 50/60 Hz                                                             –   Z   A   1   6
    One motor each for disconnector                        60 V DC                                                                                      –   Z   A   2   3
    and earthing switch                                   110 V DC                                                                                      –   Z   A   2   4
                                                          220 V DC                                                                                      –   Z   A   2   6
                                                          230 V AC                 50/60 Hz                                                             –   Z   A   3   6
Disconnector with latch for switching rod actuation 1)
                                                                                                                                                                              2
    Disconnector design                                   Number of latches
    Disconnector without built-on earthing switch         1 latch                                                                                       –   Z   B   3   1
    Disconnector with built-on earthing switch            One latch each for disconnector
                                                          and earthing switch                                                                           –   Z   B   3   2
1) Switching rod and switching rod lever as accessories
Disconnector with electromechanical lockout (manual operation only)
    Disconnector design                                   Rated voltage of lockout device
    Without earthing switch (manual operation)            24 V DC                                                                                       –   Z   C   0   1
                                                          60 V DC                                                                                       –   Z   C   0   3
                                                          110 V DC                                                                                      –   Z   C   0   4
                                                          220 V DC                                                                                      –   Z   C   0   6
                                                          100/110 V AC             50/60 Hz                                                             –   Z   C   0   7
                                                          230 V AC                 50/60 Hz                                                             –   Z   C   0   8
    With built-on earthing switch (manual operation)      24 V DC                                                                                       –   Z   C   2   1
                                                          60 V DC                                                                                       –   Z   C   2   3
                                                          110 V DC                                                                                      –   Z   C   2   4
                                                          220 V DC                                                                                      –   Z   C   2   6
                                                          100/110 V AC             50/60 Hz                                                             –   Z   C   2   7
                                                          230 V AC                 50/60 Hz                                                             –   Z   C   2   8
Configuration example
Disconnector, 3-pole                                                                                           3 D C
(Ur = 12 kV, Ir = 2500 A, Ith = 50 kA, pole-centre distance 210 mm,
earthing switch mounted on the pivot point of the disconnector EP)                                                          1   0   8   2   –   5   J
With one motor operating mechanism each for disconnector and earthing switch 60 V DC                                                                    –   Z   A   2   3
                                                                                   Example for Order No.:      3 D C        1   0   8   2   –   5   J   –   Z
                                                                                              Order codes:     A   2    3
                                                                                                                                            Siemens HG 11.31 · 2008     19