Introduction, 1 compact versions – KROHNE OPTIFLUX 2000-4000-5000-6000-7300-IFC 300 Ex EN User Manual

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INTRODUCTION

OPTIFLUX

www.krohne.com

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

1.7 OPTIFLUX 7000

1.7.1 Compact versions

OPTIFLUX 7300 SW/C or FL/C is certified as group II, category 2 G equipment if fitted with an
IFC 300 signal converter without Ex ia signal in/outputs or as group II, category 2 (1) G Equipment
if fitted with an IFC 300 signal converter with Ex ia signal in/outputs. It is therefore suitable for
installation in gas hazardous areas zone 1 and 2, gasgroup IIC, temperature class T6...T4.
OPTIFLUX 7300 SW/C or FL/C is also certified as group II, category 2 D equipment and is
therefore suitable for installation in dust hazardous areas zone 21 and 22, maximum surface
temperature T115°C.

Converter housing, connection compartment:

Converter housing, connection compartment: With power supply (terminals L, N / L+, L-) and I/O
connections (terminals A, A-, A+, B, B-, C, C-, D, D-):
Ex e (Increased safety), optionally Ex d (Flameproof enclosure).
For certain versions of the signal converter, the terminals A, A-, A+, B, B-, C, C-, D, D- are
additionally Ex ia (Intrinsic safety).
Converter housing, electronics compartment:

Converter housing, electronics compartment:

Converter housing, electronics compartment: Ex d (Flameproof enclosure)

Ex marking OPTIFLUX 7300 SW/C:

Ex marking OPTIFLUX 7300 FL/C:

Nominal diameter

Ex e connection compartment Ex d connection compartment

25...100

II 2 G Ex d e IIC T6...T4

II 2 G Ex d IIC T6...T4

II 2(1) G Ex d e [ia] IIC T6...T4

II 2(1) G Ex d [ia] IIC T6...T4

II 2 D Ex tD A21 IP67 T115°C

Nominal diameter

Ex e connection compartment Ex d connection compartment

25...100

II 2 G Ex d e mb IIC T6...T4

II 2 G Ex d mb IIC T6...T4

II 2(1) G Ex d e mb [ia] IIC T6...T4

II 2(1) G Ex d mb [ia] IIC T6...T4

II 2 D Ex tD A21 IP67 T115°C