KROHNE OPTISONIC 7300 EN - Manual (Page 25)

ELECTRICAL CONNECTIONS
4
25
OPTISONIC 7300
www.krohne.com 09/2012 - 4001102303 - MA OPTISONIC 7300 R03 en
4.3 Power supply
100…230 VAC
• Connect the protective ground conductor PE of the mains power supply to the separate
terminal in the terminal compartment of the signal converter.
• Connect the live conductor to the L terminal and the neutral conductor to the N terminal.
24 VAC/DC
• Connect a functional ground FE to the separate U-clamp terminal in the terminal
compartment of the signal converter.
• When connecting to functional extra-low voltages, provide a facility for protective separation
(PELV) (VDE 0100 / VDE 0106 and/or IEC 364 / IEC 536 or relevant national regulations).
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.