Description
3.3 Installation
1LA5/6/7/9, 1LG4/6, 1MA6/7, 1MB..1/2/3/4/5 - SH 63 ... 355
Operating Instructions, 06/2018, A5E44455710A
31
Zone 21 with type of protection Ex tb IIIC Db (equipment dust explosion protection
provided by the enclosure "t")
① ② ③ ⑦ ⑧ ⑨ ⑩ ⑪ ⑫
- or EAC marking
Identification number or name of nominated testing agency
Code for prevention of explosions
④
Device group: II not for m
ines susceptible to firedamp, but other hazardous zones
Device category: 2 for occasional danger
⑦
Explosion protection: International
Type of protection: "tb" for protection by enclosure
Explosion group: IIIC for conduc
tive dust
Maximum surface temperature: T 125°C
⑪
Device protection level: Db for a high level of protection in flammable dusty atmo
s-
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