Installation
FLOWSIC600-XT · Operating Instructions · 8018846/1BHP/V2-1/2021-05 · © SICK Engineering GmbH
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3.4
Electrical installation
3.4.1
Requirements for use in potentially explosive atmospheres
The FLOWSIC600-XT is as suitable for use in potentially explosive atmospheres classified in
Zone 1 and Zone 2.
IECEx
Ex db ia op is [ia Ga] IIA /IIC T4 Gb
Ex db eb ia op is [ia Ga] IIA/IIC T4 Gb
Ex ia op is IIA/IIC T4 Ga
Ex nA ia op is IIC T4 Gc
ATEX
II 2 (1) G Ex db ia op is [ia Ga] IIA /IIC T4 Gb
II 2 (1) G Ex db eb ia op is [ia Ga] IIA/IIC T4 Gb
II 1G Ex ia op is IIA/IIC T4 Ga
II 3G Ex nA ia op is IIC T4 Gc
NEC/CEC (US/CA)
Explosion-proof/non-flammable:
CI I, Div. 1 Group D, T4 / Ex d ia [ia Ga] IIA T4 Gb / Cl I, Zone 1 AEx d ia op is [ia Ga] IIA T4
Gb
Cl I, Div. 2 Groups A, B, C, D, T4 /Ex ia nA IIC T4 Gc / Cl I Zone 2, AEx ia nA op is IIC T4 Gc
CI I, Div. 1 Groups B, C, D, T4 / Ex d ia [ia Ga] IIC T4 Gb / Cl I, Zone 1 AEx d ia op is [ia Ga]
IIC T4 Gb
CI I, Div. 2 Groups A, B, C, D, T4 / Ex ia nA IIC T4 Gc / Cl I, Zone 2, AEx ia nA op is IIC T4 Gc
Intrinsically safe:
CI I, Div. 1 Group D T4 / Ex ia IIA T4 Ga / Cl I, Zone 0, AEx ia op is IIA T4 Ga
CI I, Div. 1 Groups A, B, C, D, T4 / Ex ia IIC T4 Ga / Cl I, Zone 0, AEx ia op is IIC T4 Ga
Non-flammable:
Cl I, Div. 2, Groups A, B, C, D, T4 / Ex ia nA IIC T4 Gc / Cl I Zone 2, AEx ia nA op is IIC T4 Gc
● Ambient temperature: -40°C < T
amb
< 70°C, restricted range, see type plate on Signal
Processing Unit
● Process temperature: -46°C < T
gas
< 180°C, restricted range, see type plate on Signal
Processing Unit
NOTICE:
The rise in the ambient temperature outside the pipeline due to a hot pipeline
must be taken into account.
The user must ensure the ambient temperature around the electronics housing
does not exceed the maximum permitted ambient temperature specified on
the FLOWSIC600-XT type plate.
