DOCA0285EN-03

MasterPacT MTZ Test Form

How to Use the Test Form

Print this test form to record the results of the commissioning tests.

Check the box (✔) when the test has been made and is conclusive.

This test form, the project report, and the communication test report should be left on-site in a plastic wallet and in an easily accessible, safe place.

Each test is described in detail in the Commissioning part.

Only do the tests required, depending on the MasterPacT MTZ type and the functions in use.

When all the tests have been satisfactorily completed, sign and date the test form.

Identification

Workstation

 

Tests conducted on:

By:

Signature:

Substation name

 

Comments:

Substation number

 

Switchboard name

 

Voltage

 

MasterPacT MTZ circuit breaker

Manufacturer

Schneider Electric

Type of MasterPacT MTZ circuit breaker

 

Serial number

 

Hardware version

 

MicroLogic Active control unit

MicroLogic Active type

 

CT ratio

 

Firmware version

 

BCIM module

Hardware version

 

Firmware version

 

Preliminary Checks

Type of check

(✔)

Visual inspection satisfactory (for example, no visible signs of damage).

 

Grounding satisfactory.

 

Connection tightness checked.

 

Firmware compatibility satisfactory.

 

MicroLogic Active settings applied.

 

Project report generated.

 

Functional and Interlock Checks

Type of check

(✔)

Mechanism charges when spring charging handle is pulled.

 

MasterPacT MTZ circuit breaker closes.

 

MasterPacT MTZ circuit breaker opens.

 

Mechanism charges automatically after closing when the device is fitted with an MCH gear motor.

 

FDM121 display functions correctly.

 

Interlocking systems of the circuit breaker function correctly.

 

Interlocking systems between two or three circuit breakers function correctly.

 

Electrical Continuity Check

MasterPacT MTZ circuit breaker status

Tested terminals

Electrical continuity

Incoming side

Outgoing side

Closed

L1

L1

Ω

Closed

L2

L2

Ω

Closed

L3

L3

Ω

MasterPacT MTZ Insulation Test

MasterPacT MTZ circuit breaker status

Terminals under test

Voltage

Insulation resistance

Closed

L1, with L2 and L3 grounded

500 Vdc

Closed

L2, with L1 and L3 grounded

500 Vdc

Closed

L3, with L1 and L2 grounded

500 Vdc

Open

L1, with L1, L2, L3 grounded on the other side

500 Vdc

Open

L2, with L1, L2, L3 grounded on the other side

500 Vdc

Open

L3, with L1, L2, L3 grounded on the other side

500 Vdc

Check of MicroLogic Active Ready LED

Type of check

(✔)

MicroLogic Active Ready LED flashes green.

 

Test of the Tripping Mechanism on the MicroLogic Active Display Screen

Type of check

(✔)

With the circuit breaker closed, force the circuit breaker to trip by using the MicroLogic Active display screen.

Check that the circuit breaker is open.

Check that the blue fault-trip reset button has popped out.

  • For MicroLogic Active 2.0 and 5.0 control unit, check that the I trip cause LED is blinking red.

  • For MicroLogic Active 6.0 control unit, check that the G trip cause LED is blinking red.

Check that the SDE contacts have switched.

Automatic Trip Curve Test

Type of check

(✔)

Check that the circuit breaker trips.

Check that the blue fault-trip reset button has popped out.

Check that the related trip cause LED is blinking red.

Check that the SDE contacts have switched.

Wired Communication Tests

Type of check

(✔)

Check that the circuit breaker can be opened and closed remotely through the wired communication network.

Final Checks

Type of check

(✔)

All doors and protected covers are in position.

 

The circuit breaker is open (OFF position) and the closing spring is charged.

 
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