Grundfos MAGNA3 Installation And Operating Instructions Manual page 7

WARNING
Electric shock
Death or serious personal injury
- Connect the pump to an
external main switch with a
minimum contact gap of 3 mm in
all poles.
- Use earthing or neutralisation
for protection against indirect
contact.
- If a plug-connected pump is
connected to an electric
installation where an electrical
circuit breaker (voltage sensing
ELCB, residual-current device
RCD or residual-current circuit
device RCCB) is used as an
additional protection, this circuit
breaker must be marked with
the first or both of the symbols
shown below.
If the pump is
terminal-connected, the circuit
breaker must be marked with
both of the symbols below.
7