Electrical Connection - Grundfos MAGNA3 Instrucciones

6. Electrical connection

Carry out the electrical connection and
protection according to local regulations.
Warning
Switch off the power supply before
making connections.
Warning
The pump must be connected to an
external mains switch with a
minimum contact gap of 3 mm in all
poles.
Earthing or neutralisation can be
used for protection against indirect
contact.
If the pump is connected to an
electric installation where an earth
leakage circuit breaker (ELCB) is
used as an additional protection, this
circuit breaker must trip when earth
fault currents with DC content
(pulsating DC) occur.
The earth leakage circuit breaker
must be marked with the first or both
of the symbols shown below:
11