Zone 2 With Type Of Protection Ex Na Iic Gc, Non Sparking - Siemens SIMOTICS SD Operating Instructions Manual

8.5.4

Zone 2 with type of protection Ex nA IIC Gc, non sparking

① ②
① ⑪
①
②
③
④
⑤
⑥
⑦
⑧
⑨
⑩
⑪
⑫
⑬
Low-voltage motors
Operating Instructions, 05/2014, 5 610 00000 02 000
II 3
③ ④
2
② ⑫
CE - or EAC marking
Code for prevention of explosions
Device group: II not for mining, but other hazardous zones
Device category: 3 for infrequent, short-term danger
Atmosphere: G for gas
Explosion protection: International
Type of protection: "nA" for non-sparking
Explosion group: IIC for acetylene
Temperature Class: T3 for maximum surface temperature of 200° C
Device protection level: Gc for an extended level of protection in hazardous zones with
explosive gas mixtures
Identification number or name of nominated testing agency
Zone 2
"X" special conditions
G Ex
⑤ ⑥
Ex nA
⑥ ⑦
nA IIC
⑦ ⑧
IIC T3
⑧ ⑨
Operation
8.5 Class
T3 Gc
⑨ ⑩
Gc X
⑩ ⑬
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