Operating Limits for MasterPacT MTZMasterPacT NT/NWMasterPacT MTZ IEC Devices With MicroLogic Active Control Unit
The operating limits are applicable to MasterPacT MTZ IEC switch-disconnectors and circuit breakers with MicroLogic X control units.
Operating Limits of MasterPacT MTZ1MasterPacT NTMasterPacT MTZ1 Devices
The maximum number of opening/closing cycles with no load depends on the rating and performance levels of the MasterPacT MTZ1MasterPacT NTMasterPacT MTZ1 devices.
|
Type of MasterPacT MTZ1 |
Maximum number of cycles with periodic preventive maintenance |
|---|---|
|
MTZ1 H1, H2, L1 |
12,500 |
|
MTZ1 H3 |
10,000 |
|
Type of MasterPacT NT |
Maximum number of cycles with periodic preventive maintenance |
|---|---|
|
NT H1, H2, L1 |
12,500 |
|
Type of MasterPacT MTZ1 |
Maximum number of cycles with periodic preventive maintenance |
|---|---|
|
MTZ1 H1, H2 |
12,500 |
Operating Limits of MasterPacT MTZ1MasterPacT NTMasterPacT MTZ1 Parts
These tables show the maximum possible number of operating cycles before the parts below must be replaced during the device service life.
|
Type of MasterPacT MTZ1 |
Maximum number of cycles before replacement of the part |
|
|---|---|---|
|
Arc chute (at In) |
Main contacts (at In) (1) |
|
|
MTZ1 06–16 440 V H1, H2, H3 |
6,000 |
6,000 |
|
MTZ1 06–16 690 V H1, H2 |
3,000 |
3,000 |
|
MTZ1 06–10 440 V L1 |
3,000 |
3,000 |
|
MTZ1 06–10 690 V L1 |
2,000 |
2,000 |
|
(1) If any contacts are worn, all contacts must be changed. It means that the complete breaking block is replaced. |
||
|
Type of MasterPacT NT |
Maximum number of cycles before replacement of the part |
|
|---|---|---|
|
Arc chute (at In) |
Main contacts (at In) (1) |
|
|
NT 06–16 440 V H1, H2 |
6,000 |
6,000 |
|
NT 06–16 690 V H1, H2 |
3,000 |
3,000 |
|
NT 06–16 440 V L1 |
3,000 |
3,000 |
|
NT 06–16 690 V L1 |
2,000 |
2,000 |
|
(1) If any contacts are worn, all contacts must be changed. It means that the complete breaking block is replaced. |
||
|
Device |
Maximum number of cycles before replacement of the part |
|||
|---|---|---|---|---|
|
XF/MX/MN voltage releases |
MCH gear motor |
Connecting-rod springs, interlocking mechanisms |
Interlocking cables |
|
|
MasterPacT MTZ1MasterPacT NTMasterPacT MTZ1 |
12,500 |
5,000 |
12,500 |
3,000 |
Operating Limits of MasterPacT MTZ2/MTZ3MasterPacT NWMasterPacT MTZ2/MTZ3 Devices
The maximum number of opening/closing cycles with no load depends on the rating and performance levels of the MasterPacT MTZ2/MTZ3MasterPacT NWMasterPacT MTZ2/MTZ3 devices.
|
Type of MasterPacT MTZ2/MTZ3 |
Maximum number of cycles with periodic preventive maintenance |
|---|---|
|
MTZ2 08–16 N1, H1, H2, H10, L1 |
25,000 |
|
MTZ2 20 N1, H1, H2, H3, H10, L1 |
20,000 |
|
MTZ2 25–40 H1, H2, H3, H10 |
20,000 |
|
MTZ3 40–63 H1, H2 |
10,000 |
|
Type of MasterPacT NW |
Maximum number of cycles with periodic preventive maintenance |
|---|---|
|
NW 08–16 N1, H1, H2, L1 |
25,000 |
|
NW 20 N1, H1, H2, H3, L1 |
20,000 |
|
NW 25–40 H1, H2, H3 |
20,000 |
|
NW 40b–63 H1, H2 |
10,000 |
|
Type of MasterPacT MTZ2/MTZ3 |
Maximum number of cycles with periodic preventive maintenance |
|---|---|
|
MTZ2 08–16 N1, H1, H2 |
25,000 |
|
MTZ2 20 N1, H1, H2 |
20,000 |
|
MTZ2 25–40 H1, H2 |
20,000 |
|
MTZ3 40–63 H1, H2 |
10,000 |
Operating Limits of MasterPacT MTZ2/MTZ3MasterPacT NWMasterPacT MTZ2/MTZ3 Parts
In order to reach the maximum possible number of operating cycles, the parts below must be replaced during the device service life.
|
Type of MasterPacT MTZ2/MTZ3 |
Maximum number of cycles before replacement of the part |
||
|---|---|---|---|
|
Arc chute (at In) |
Main contacts (at In) (1) |
Connecting-rod springs, interlocking mechanisms |
|
|
MTZ2 08–16 N1, H1, H2 |
10,000 |
10,000 |
12,500 |
|
MTZ2 08–16 16 L1 |
3,000 |
||
|
MTZ2 20 440 V N1, H1, H2 |
8,000 |
8,000 |
10,000 |
|
MTZ2 20 690 V N1, H1, H2 |
6,000 |
6,000 |
|
|
MTZ2 20 440 V H3 |
2,000 |
8,000 |
|
|
MTZ2 20 690 V H3 |
6,000 |
||
|
MTZ2 20 L1 |
3,000 |
10,000 |
|
|
MTZ2 25–40 440 V H1, H2 |
5,000 |
5,000 |
|
|
MTZ2 25–40 690 V H1, H2 |
2,500 |
2500 |
|
|
MTZ2 25–40 440 V H3 |
1,250 |
5,000 |
|
|
MTZ2 25–40 690 V H3 |
2,500 |
||
|
MTZ3 40–63 H1, H2 |
1,500 |
3,000 |
5,000 |
|
(1) If any contacts are worn, all contacts must be changed. It means that the complete breaking block is replaced. |
|||
|
Type of MasterPacT MTZ2/MTZ3MasterPacT NW |
Maximum number of cycles before replacement of the part |
||
|---|---|---|---|
|
Arc chute (at In) |
Main contacts (at In) (1) |
Connecting-rod springs, interlocking mechanisms |
|
|
NW 08–16 N1, H1, H2 |
10,000 |
10,000 |
12,500 |
|
NW 08–16 16 L1 |
3,000 |
||
|
NW2 20 440 V N1, H1, H2 |
8,000 |
8,000 |
10,000 |
|
NW 20 690 V N1, H1, H2 |
6,000 |
6,000 |
|
|
NW 20 440 V H3 |
2,000 |
8,000 |
|
|
NW 20 690 V H3 |
6,000 |
||
|
NW 20 L1 |
3,000 |
10,000 |
|
|
NW 25–40 440 V H1, H2 |
5,000 |
5,000 |
|
|
NW 25–40 690 V H1, H2 |
2,500 |
2500 |
|
|
NW 25–40 440 V H3 |
1,250 |
5,000 |
|
|
NW 25–40 690 V H3 |
2,500 |
||
|
NW 40–63 H1, H2 |
1,500 |
3,000 |
5,000 |
|
(1) If any contacts are worn, all contacts must be changed. It means that the complete breaking block is replaced. |
|||
|
Type of MasterPacT MTZ2/MTZ3 |
Maximum number of cycles before replacement of the part |
||
|---|---|---|---|
|
Arc chute (at In) |
Main contacts (at In) (1) |
Connecting-rod springs, interlocking mechanisms |
|
|
MTZ2 08–16 N1, H1, H2 |
10,000 |
10,000 |
12,500 |
|
MTZ2 20 440 V N1, H1, H2 |
8,000 |
8,000 |
10,000 |
|
MTZ2 20 690 V N1, H1, H2 |
6,000 |
6,000 |
|
|
MTZ2 25–40 440 V H1, H2 |
5,000 |
5,000 |
|
|
MTZ2 25–40 690 V H1, H2 |
2,500 |
2,500 |
|
|
MTZ3 40–63 H1, H2 |
1,500 |
3,000 |
5,000 |
|
(1) If any contacts are worn, all contacts must be changed. It means that the complete breaking block is replaced. |
|||
|
Device |
Maximum number of cycles before replacement of the part |
||
|---|---|---|---|
|
XF/MX/MN voltage releases |
MCH gear motor |
Interlocking cables |
|
|
MasterPacT MTZ2/MTZ3MasterPacT NWMasterPacT MTZ2/MTZ3 |
12,500 |
8,000 |
3,000 |