Fuse on mains side

Circuit breaker

Make sure the type and switching characteristics of the circuit breakers are compatible with the rated current of the connected product.
Obey local regulations.

Lifting unit	Max. rated current (when high water alarm activated)	Fuse protection (recommended characteristic: C)
Single-phase current
SANI-L.11M...	18.6 A	20 A
SANI-L.12M...	14.4 A	16 A
SANI-L.16M...	18.6 A	20 A
Three-phase current
SANI-L.11T...	7.2 A	10 A
SANI-L.12T...	5.8 A	10 A
SANI-L.16T...	7.2 A	10 A
SANI-L.17T...	11 A	16 A
SANI-L.19T...	17 A	20 A
SANI-L.21T...	11 A	16 A
SANI-L.23T...	19.6 A	20 A

If persons can touch the device and conductive fluids, install a residual-current device (RCD).
Obey the regulations of the local energy supplier for the residual-current device (RCD).