Operation Manual

ManualsBrandsGossen Metrawatt ManualsMeasuring ToolSECUSTAR FM plus

GMC-I Messtechnik GmbH 65

RCD Test – Time to Trip Measurement for RCCBs Option

RCD Measurement Sequence

Ð Select the test: RCD Test softkey.

Ð Connect the

test system to a mains

outlet within the

appropriate RCD

circuit: .

Ð Select the measure-

ment type with the

RCD softkey.

Attention!

The RCD is tripped during measurement. In order to

prevent loss of data from data processing systems, back up

your data first, and switch off all power consumers.

If inductive power consumers are also switched off during

RCD tripping tests, voltage peaks may occur within the

respective circuit when tripping takes place. The fuses in

the test system may blow as a result.

Ð Start the test: Press the ONSTART key.

Ð After each reconnection to the mains, and as soon as the first

test is started, a mains connection test is executed (see

section 4.1.1).

Ð Time to trip is displayed after tripping the RCD.

If the RCCB is not tripped, we recommend an additional earth

resistance test with the PROFITESTONE test instrument.

PRCD Measurement Sequence

Ð Select the test: RCD Test softkey.

Ð Plug the PRCD into

the test socket at the

test system, connect

the probe to sockets

1 and 2 and contact

phase L at the PRCD

with the probe tip (al-

ways the bottom ter-

minal).

Ð Select the measurement type with the PRCD softkey.

Ð Start the test: Press the ONSTART key.

Execute the following steps when prompted to do so:

Ð After each reconnection to the mains, and as soon as the first

test is started, a mains connection test is executed (see

section 4.1.1).

Ð If the probe test has revealed that no probe was connected:

Connect the probe as described above.

Ð Switch on or activate the PRCD within 5 seconds (e.g. reset

button on PRCD), so that the PRCD can be activated when

energized with line voltage.

Ð The test is automatically ended and time to trip is displayed

after the PRCD is tripped.

If the PRCD was not switched on, or if N was contacted instead

of L at the PRCD with the probe, an error message is displayed

and “Error” appears at the display.