13
WATERMASTER
ELECTROMAGNETIC FLOWMETER | DS/ WM-EN REV. Y
Power supply connections
AC power supply
Power supply indicator LED
*AC Fuse F1 250 mA Type T
(see table below for suppliers)
AC power via a suitable
isolator and fuse
>4 mm
2
(<10 AWG) Copper wire
Transmitter label
External earth screw
**Can be used as a
Protective Earth (PE)
if required by
national standards
Internal earth screws**
*
Fuse supplier
Fuse part number
ABB
B20411
Bussmann
BK/ETF 250 mA
Wickmann
19372 K250mA
Brown
Blue
Green / Yellow
AC power supply connections
DC (and low voltage AC) power supply
Power supply indicator LED
*DC Fuse F2 2 A Type T
(see table below for suppliers)
>4 mm
2
(<10 AWG) Copper wire
DC (or low voltage AC) power
via suitable isolator and fuse
Transmitter label
External earth screw
Internal earth screws
*
Fuse supplier
Fuse part number
ABB
B20412
Bussmann
BK/ETF 2A
Wickmann
19372 K2A
Red
Black
Green / Yellow
DC (and low voltage AC) power supply connections