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Description
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Rating plate
The rating plate shows the identification data and the most important technical data. The data
on the rating plate and the contractual agreements define the limits of proper usage.
Figure 3-1
24
CE- or EAC marking
Code for prevention of explosions
Equipment 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: "ec"
Explosion group: IIB for ethylene
Temperature Class: T3 for maximum surface temperature 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
Schematic of the rating plate
SIEMENS
SIMOTICS FD 1MN1
Operating Instructions 02/2019
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