Electrical connections, 1 installation instructions – KROHNE OPTIFLUX 2000-4000-5000-6000-7300-IFC 300 Ex EN User Manual

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ELECTRICAL CONNECTIONS

OPTIFLUX

www.krohne.com

07/2010 - 7309482600 - AD EX IFC 300 R06 en

4.1 Installation instructions

For IFC 300 F, OPTIFLUX 2000 F / 4000 F / 5000 F, OPTIFLUX 2300 C / 4300 C / 5300 C / 6300 C /

For IFC 300 F, OPTIFLUX 2000 F / 4000 F / 5000 F, OPTIFLUX 2300 C / 4300 C / 5300 C / 6300 C /
7300 SW/C / 7300 FL/C:

7300 SW/C / 7300 FL/C:

7300 SW/C / 7300 FL/C:
When used in a potentially explosive atmosphere, requiring the use of apparatus of equipment
category 2G, certified cable entry devices must be used that are suitable for the application and
correctly installed.
When used in a potentially explosive atmosphere, requiring the use of apparatus of equipment
category 2D, certified cable entry devices with a degree of ingress protection of at least IP6x
according to EN 60 529 must be used that are suitable for the application and correctly installed.
Unused openings must be closed with suitable certified closing elements.
With the use of conduits, a suitable certified sealing device such as a stopping box with setting
compound must be provided immediately at the entrance to the flameproof enclosure.

For IFC 300 F, OPTIFLUX 2300 C / 4300 C / 5300 C / 6300 C / 7300 SW/C / 7300 FL/C:

For IFC 300 F, OPTIFLUX 2300 C / 4300 C / 5300 C / 6300 C / 7300 SW/C / 7300 FL/C:
To avoid voltage and current addition, the intrinsically safe circuits must be separated and wired
to EN 60 079-14.

For OPTIFLUX 6000 F:

For OPTIFLUX 6000 F:
The cable glands and blanking elements must be in type of protection increased safety "e",
suitable for the conditions of use and correctly installed. The devices must provide a degree of
protection of at least IP64 according to EN 60 529.

Additionally for OPTIFLUX 2000 F / 4000 F / 5000 F / 6000 F / 7300 FL/C:

Additionally for OPTIFLUX 2000 F / 4000 F / 5000 F / 6000 F / 7300 FL/C:
The field coils in type of explosion protection "q" and "m" must be protected by a 160 mA fuse.
The breaking capacity of the fuse must be in accordance with the prospective short circuit
current of the supply. This concerns:

OPTIFLUX 2000 F / 4000 F

DN10...20 ("me")

DN200...300 ("qe")

DN25...150 ("qe") (optional)

OPTIFLUX 5000 F "sandwich"

DN2.5...15 ("me")

OPTIFLUX 5000 F "flange"

DN15...100 ("mb")

OPTIFLUX 6000 F

DN25...80 ("mb")

OPTIFLUX 7300 FL/C

DN25...100 ("mb")