Zone 2, Type Of Protection Increased Safety Ex "Ec" Or Non Sparking "Na - Siemens SIMOTICS XP 1MB1 series Operating Instructions Manual

Description
3.3 Installation
3.3.9.2

Zone 2, type of protection increased safety Ex "ec" or Non sparking "nA"

① ②
① ⑪
①
②
③
④
⑤
⑥
⑦
⑧
⑨
⑩
⑪
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30
II 3
③ ④
2
② ⑫
CE - or EAC marking
Code for prevention of explosions
Device group: II not for mines susceptible to firedamp, but other hazardous zones
Device category: 3 for infrequent, short-term danger
Atmosphere: G for gas
Explosion protection: International
Type of protection: "ec" increased safety or "nA" for Non Sparking
Explosion group: IIC for acetylene IIB für ethylene
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 ec
⑤ ⑥ ⑦
Ex nA IIC
⑥ ⑦ ⑧
1LA5/6/7/9, 1LG4/6, 1MA6/7, 1MB..1/2/3/4/5 - SH 63 ... 355
IIC T3
⑧ ⑨
T3 Gc
⑨ ⑩
Operating Instructions, 06/2018, A5E44455710A
Gc
⑩
X
⑬