Note
The drive does not have a grounding breaker at the input/output. The system operator must,
therefore, ensure that there is sufficient grounding.
2.7.4 Measures for operator protection in electromagnetic fields
The plant operator is responsible for taking the following appropriate measures (labels and
hazard warnings) to adequately protect operating personnel against any possible risk.
● Observe the relevant nationally applicable health and safety regulations or the applicable
national regulations in the country of installation. In Germany, "electromagnetic fields" are
subject to regulations BGV B11 and BGR B11 stipulated by the German statutory industrial
accident insurance institution.
● Display adequate hazard warning notices on the installation.
● Place barriers around hazardous areas.
● Take measures, e.g. using shields, to reduce electromagnetic fields at their source.
● Make sure that personnel are wearing the appropriate protective gear.
2.7.5 Requirements for the circuit breaker provided by the customer
The circuit breaker on the primary side of the input transformer on the plant side belongs to the
safety system of the drive. If a fault occurs inside the drive, the energy that is effective at the
fault location must be limited. This is realized as a result of the inductance of the incoming
transformer, which limits the rate-of-rise and magnitude of the current and the circuit breaker
that trips as quickly as possible.
WARNING
High voltages and arcs
Circuit breakers are safety components. Connecting or setting the circuit breaker incorrectly
can result in death, serious injury, or material damage.
Connect the circuit breakers correctly. Select the system values that match the drive.
Safety instructions
2.7 Information for persons responsible for plants and systems
SINAMICS PERFECT HARMONY GH150 6SL3825
22 Operating Instructions 05/2020
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