KROHNE OPTIFLUX 2000-4000-5000-6000-7300-IFC 300 Ex EN - Manual (Page 13)

INTRODUCTION
1
13
OPTIFLUX
www.krohne.com 07/2010 - 7309482600 - AD EX IFC 300 R06 en
1.6 OPTIFLUX 6000
1.6.1 Compact versions
OPTIFLUX 6300 C is certified as 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 and 2, gas group IIC, temperature classes T6…T3 and dust hazardous
areas zone 21 and 22, surface temperature T150°C. Additionally, the Ex ia signal in/outputs of the
signal converter may run or originate from a Zone 0 gas hazardous area.
Converter housing, connection compartment: Converter housing, connection compartment: 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: EEx 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 tables with CG numbers for details.
Converter housing, electronics compartment:
Converter housing, electronics compartment: Converter housing, electronics compartment: Converter housing, electronics compartment: Ex d (Flameproof Enclosure)
EEx marking OPTIFLUX 6300 C:
Nominal diameter Nominal diameter Nominal diameter Nominal diameter EEx e connection compartment, EEx e connection compartment, EEx e connection compartment, EEx e connection compartment,
II 2 GD or II 2 (1) GD EEx d connection compartment, EEx d connection compartment, EEx d connection compartment, EEx d connection compartment,
II 2 GD or II 2 (1) GD
2.5...15
25...80
EEx d mb e [ia] IIC T6...T3 T150°C