3
ELECTRICAL CONNECTIONS
20
OPTISONIC 3400
www.krohne.com
02/2016 - 4005026101 - QS OPTISONIC3400 MID R01 en
100...230 VAC (tolerance range: -15% / +10%)
•
Note the power supply voltage and frequency (50...60 Hz) on the nameplate.
•
The protective ground terminal PE
PE
PE
PE of the power supply must be connected to the separate U-
clamp terminal in the terminal compartment of the signal converter
3.4 Laying electrical cables correctly
1
Lay the cable in a loop just before the housing.
2
Tighten the screw connection of the cable entry securely.
3
Never mount the housing with the cable entries facing upwards.
4
Seal cable entries that are not needed with a plug.
1
100...230 VAC (-15% / +10%), 22 VA
2
24 VDC (-55% / +30%) 12 W
3
24 VAC/DC (AC: -15% / +10%; DC: -25% / +30%), 22 VA or 12 W
DANGER!
The device must be grounded in accordance with regulations in order to protect personnel
against electric shocks.
INFORMATION!
240 VAC+5% is included in the tolerance range.
Figure 3-3: Protect housing from dust and water
