Grundfos 50 F Series User Manual

English (GB)
9
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.
- For plug-connected versions: In
case of an insulation fault, the fault
current may be a pulsating DC.
Observe national legislation about
requirements for and selection of
Residual Current Device (RCD)
when installing the pump.
For terminal-connected versions:
In case of an insulation fault, the
fault current may be a DC or
pulsating DC. Observe national
legislation about requirements for
and selection of Residual Current
Device (RCD) when installing the
pump.

Grundfos 50 F Series Specifications

General

Protection class	IP55
Insulation class	F
Type	Centrifugal pump
Pump housing	Cast iron
Impeller	stainless steel
Frequency	50 Hz / 60 Hz
Connection type	Flange
Speed	2900 rpm
Liquid temperature	-10°C to +120°C
Voltage	230V or 400V