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Electromagnetic Flowmeter
WaterMaster
4 Electrical Installation
IM/WM
Issue 7
29
4.7.2 DC (and Low Voltage AC) Power Supply
Fig. 4.18 DC (and Low Voltage AC) Power Supply Connections
PE
2/
1/+
24V
Transmitter Label (DC)
DC (or Low Voltage AC) Power
via suitable Isolator and Fuse
External Earth
>4 mm
2
(<10 AWG) Copper Wire
Internal Earth
Screws
*DC Fuse F2 2 A Type T
(see table below for suppliers)
Power Supply Indicator LED
Red
Black
Green/Yellow
Fuse Supplier
Fuse Part Number
ABB B20412
Bussmann BK/ETFZM
Wickmann 19372
K2A