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

1.4 OPTIFLUX 2000 / 4000

1.4.1 Compact versions

OPTIFLUX 2300 C / 4300 C is certified as a group II, category 2 GD equipment, if fitted with an IFC
300 signal converter without Ex ia signal in/outputs or as a group II, category 2 (1) GD equipment,
if fitted with a signal converter with Ex ia signal in/outputs.
It is therefore suitable for installation in gas hazardous areas zone 1 or 2, gas group IIC,
temperature class T6 (or T5)...T3 and dust hazardous areas zone 21 or zone 22, surface
temperature T85...150°C. Additionally, the Ex ia signal inputs/outputs of the signal converter
may run or originate from a Zone 0 Gas hazardous area.

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 and 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 and D- are additionally Ex ia (Intrinsic
safety). Consult the table with the CG numbers for more details.
Converter housing, electronics compartment:

Converter housing, electronics compartment:

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

EEx marking OPTIFLUX 2300 C / 4300 C:

Nominal

Nominal
diameter

diameter

EEx e connection compartment,

EEx e connection compartment,
II 2 GD or II 2(1) GD

EEx d connection compartment,

EEx d connection compartment,
II 2 GD or II 2(1) GD

2.5...15 ("me")

10...20 ("me")

EEx dme [ia] IIC T6...T3 T85...150°C

25...150 ("d")

EEx de [ia] IIC T6...T3 T85...150°C

EEx d [ia] IIC T6...T3 T85...150°C

200...300 ("qe")

EEx dqe [ia] IIC T6...T3 T85...150°C

350...3000 ("e")

EEx de [ia] IIC T6...T3 T85...150°C

Optional:

25...150 ("qe")

EEx dqe [ia] IIC T5...T3 T85...150°C