KROHNE DK 46 - Electrical Data

DEVICE DESCRIPTION 2
9
DK46 - DK800
www.krohne.com05/2019 - 4000430905 - AD DK46-800 Exi-II2G R06 en
2.8 Electrical data
Built-in equipment for the variable area flowmeter may only be connected to separate
intrinsically safe circuits with the following maximum values:
Electrical equipment Nominal voltage Nominal current
Electrical data for limit switches K1 / K2 8VDC ≤1 / ≥3mA
Table 2-4: Electrical data for limit switches K1 / K2
Maximum values
Built-in equipment U
i
[V] I
i
[mA] P
i
[mW] C
i
[nF] L
i
[μH]
RC10-14.-N0.../RC15-14.-N0...
I7R2010-N***/I7R2015-N***
16 25 34 210 100
25 64
52 169
RC10-14.-N3...
I7R2010-NL***
16 25 34 150 120
25 64
52 169
RC15-14.-N3...
I7R2015-NL***
16 25 34 150 70
25 64
52 169
Table 2-5: Maximum values for intrinsically safe circuits
WARNING!
Also, when operating the variable area flowmeter outside of the hazardous area, the connection
must be made to intrinsically safe circuits.
When connecting to non-intrinsically safe circuits, there is a risk of damage to the safety-
defining components.