The following image shows the standard version of the fixed device (no optional accessories).
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A Mounting side plate B Carrying grip C Arc chute D Blue fault-trip reset button E Opening pushbutton F Closing pushbutton G Spring charging handle H Terminal blocks for standard accessories I Front cover J VBP pushbutton locking cover (optional) K Rating plate L Spring charged and ready-to-close indicator M Main-contact position indicator N Window to read the (optional) CDM mechanical operation counter O Control unit P Control unit transparent cover |
Fixed Device Accessories Description
The following image shows the accessories available for the fixed device.
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A Additional support brackets for mounting on a backplate B ULP port module C Terminal blocks for optional accessories D Four OF indication contacts (optional) E Four OF indication contacts (delivered as standard) F KMT grounding kit G MCH gear motor H CDM mechanical operation counter Z1, Z2 See following images |
The following images zoom in on the accessories for the fixed device:
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|
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I Standard SDE1 fault-trip indication contact J Optional SDE2 fault-trip indication contact or RES electrical remote reset K Microswitch L M2C programmable contacts or ESM ERMS switch module M Isolation module |
N MN undervoltage release or MX2 opening voltage release O MX1 opening voltage release P PF ready-to-close contact Q XF closing voltage release R BPFE electrical closing pushbutton S VCPO OFF-position locking by padlocks T VSPO OFF-position locking by keylocks |
Fixed Device Terminal Block Description
Terminal block supplied as standard on the circuit breaker
Terminal block for optional accessories on the circuit breaker
The following table describes the assignment and the availability of the terminal blocks for circuit breakers and switch-disconnectors for fixed devices:
oStandard terminal blocks and the associated accessories are delivered with the device.
oOptional terminal blocks are delivered with the device only if the associated optional accessories are installed in the device.
oN/A indicates that the terminal blocks and the associated optional accessories are not compatible with the device.
|
Block |
Marking |
Description |
Circuit breaker |
Switch-disconnector |
|---|---|---|---|---|
|
A |
COM |
Terminal block for the external power supply of the MicroLogic X control unit or ULP port module |
Standard
Optional |
N/A
N/A |
|
UC1 |
Zone selective interlocking (ZSI), rectangular sensor for earth-leakage protection, or MDGF module input |
Standard |
N/A |
|
|
UC2 |
Neutral external sensor, rectangular sensor for earth-leakage protection, or MDGF module input |
Standard |
N/A |
|
|
SDE2/RES |
SDE2 additional fault-trip indication contact
or RES electrical remote reset |
Optional |
N/A on MasterPact MTZ NA, HA, HA10 Optional on MasterPact MTZ2 HF, HH
N/A |
|
|
UC4 |
External voltage connector |
Optional |
N/A |
|
|
UC3 |
External voltage connector |
Optional |
N/A |
|
|
M2C/ESM |
M2C programmable contacts or ESM ERMS switch module |
Optional |
N/A |
|
|
SDE1 |
SDE1 fault-trip indication contact |
Standard |
N/A on MasterPact MTZ NA, HA, HA10 Standard on MasterPact MTZ2 HF, HH |
|
|
B |
MN/MX2 |
MN undervoltage release or MX2 opening voltage release |
Optional |
Optional |
|
MX1 |
MX1 opening voltage release |
Optional |
Optional |
|
|
XF |
XF closing voltage release |
Optional |
Optional |
|
|
PF |
PF ready-to-close contact |
Optional |
Optional |
|
|
MCH |
MCH gear motor |
Optional |
Optional |
|
|
C |
OF21–OF24 |
4 OF indication contacts |
Optional |
Optional |
|
OF11–OF14 |
4 OF indication contacts |
Optional |
Optional |
|
|
OF1–OF4 |
4 OF indication contacts |
Standard |
Standard |
