KROHNE OPTISONIC 3400 EN - Manual (Page 29)

ELECTRICAL CONNECTIONS
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OPTISONIC 3400
www.krohne.com 11/2013 - 4002037702 - HB OPTISONIC 3400 -en-R02
4.3 Power supply
Connection of flow sensor type Cryogenic and XXT
Figure 4-4: Connect the cables in the connection box of the flow sensor
INFORMATION!
Connect the cable on connector with similar numeral marking
WARNING!
When this device is intended for permanent connection to the mains.
It is required (for example for service) to mount an external switch or circuit breaker near the
device for disconnection from the mains. It shall be easily reachable by the operator and marked
as the disconnecting the device for this equipment.
The switch or circuit breaker and wiring has to be suitable for the application and shall also be in
accordance with the local (safety) requirements of the (building) installation
(e.g. IEC 60947-1 / -3)
INFORMATION!
The power terminals in the terminal compartments are equipped with additional hinged lids to
prevent accidental contact.
1 100...230 VAC (-15% / +10%), 22 VA
2 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.