KROHNE OPTIWAVE 5200 IECEx - Manual (Page 22)

3
ELECTRICAL CONNECTIONS
22
OPTIWAVE 5200 C/F
www.krohne.com 04/2013 - 4001906102 - AD IECEX OPTIWAVE 5200 R02 en
3.3 Terminal tightening capacity
The terminal tightening capacity for the current output terminal and the communication cable is:
3.4 Equipotential bonding system
Compact version
There is a terminal at the bottom of the converter that can be used as an equipotential bonding
conductor. Connect the device to the equipotential bonding system for the hazardous location.
Remote (Field) version
There is a terminal on the wall support and a terminal at the bottom of the antenna housing that
can be used as equipotential bonding conductors. Connect the device to the equipotential
bonding system for the hazardous location.
Type of wire Terminal tightening capacity
[mm²] [AWG]
Rigid 4 11
Flexible 2.5 13
Figure 3-3: Ex i applications: Terminals for the equipotential bonding system
Figure 3-4: Ex d / Ex t applications: Terminals for the equipotential bonding system