Masterpact MTZ2/MTZ3 Fixed Device
Fixed Masterpact MTZ2/MTZ3 Description
The following image shows the standard version of the fixed device.
Fixed Masterpact MTZ2/MTZ3 Accessories Description
The following image shows the accessories available for the fixed device. For Z1 and Z2, see the following images.
Fixed Masterpact MTZ2/MTZ3 Terminal Block Description
Assignment of the Terminal Blocks
Block |
Marking |
Description |
Standard/Optional |
---|---|---|---|
A |
COM |
Terminal block for the external power
supply of the Micrologic X control unit |
Standard |
UC1 |
Zone selective interlocking, rectangular sensor for ground-fault protection, or MDGF module input |
Optional |
|
UC2 |
Neutral external sensors, rectangular sensor for ground-fault protection, or MDGF module input |
Optional |
|
SDE2/RES |
Overcurrent trip switch (SDE2) or electrical remote reset (RES) |
Optional |
|
UC4 |
External voltage connector |
Optional |
|
UC3 |
External voltage connector |
Optional |
|
M2C |
Programmable contacts |
Optional |
|
SDE1 |
Overcurrent trip switch 1 |
Standard |
|
B |
MN/MX2 |
Undervoltage release (MN) or shunt trip (MX) |
Optional |
MX1 |
Shunt trip |
Optional |
|
XF |
Shunt close |
Optional |
|
PF |
Ready-to-close contact |
Optional |
|
MCH |
Spring charging motor |
Optional |
|
C |
OF21–OF24 |
4 auxiliary switches (OF) |
Optional |
OF11–OF14 |
4 auxiliary switches (OF) |
Optional |
|
OF1–OF4 |
4 auxiliary switches (OF) |
Standard |