Deactivating; Class; Zone 1 With Type Of Protection Ex De Iic Gb (Flameproof Enclosure "D" For The Machine And Increased Safety "E" For The Terminal Box) - Siemens SIMOTICS SD Operating Instructions Manual

Operation

8.4 Deactivating

8.4 Deactivating
Commission any devices provided for protection against condensation after switching off the
machine.
8.5

Class

8.5.1 Zone 1 with type of protection Ex de IIC Gb (flameproof enclosure "d" for the
machine and increased safety "e" for the terminal box)
158
① ② ③
① ②
①
②
③
④
⑤
⑥
⑦
⑧
⑨
⑩
⑪
⑫
⑬
⑭
80
II 2
④ ⑤
1 Ex
③ ⑬ ⑦
CE - or EAC marking
Identification number or name of nominated testing agency
Code for prevention of explosions
Device group: II not for mining, but other hazardous zones
Device category: 2 for occasional danger and for use in Zone 1
Atmosphere: G for gas
Explosion protection: International
Type of protection: "d" Flameproof Enclosure of machine
Type of protection: "e" Increased Safety of terminal box
Explosion group: IIC for acetylene
Temperature class: T4 for maximum surface temperature of 135° C
Device protection level: Gb for a high level of protection in hazardous zones with
explosive gas mixtures
Zone 1
"X" special conditions
G Ex d
⑥ ⑦ ⑧
d e
⑧ ⑨
Operating Instructions, 05/2014, 5 610 00000 02 000
e IIC T4
⑨ ⑩ ⑪
IIC T4 Gb
⑩ ⑪ ⑫
Low-voltage motors
Gb
⑫
X
⑭