Siemens 1LA8 - Rating plate

① CE- or EAC marking
② Code for prevention of explosions
③ Equipment group: II not for mining, but other hazardous zones
④ Device category: 3 for infrequent, short-term danger
⑤ Atmosphere: G for gas
⑥ Explosion protection: International
⑦ "nA" or "ec" type of protection
⑧ Explosion group: IIB for ethylene
⑨ Temperature Class: T3 for maximum surface temperature 200 °C
⑩ Device protection level: Gc for an extended level of protection in hazardous zones with
explosive gas mixtures
⑪ Identification number or name of nominated testing agency
⑫ Zone 2
⑬ "X" special conditions
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.
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Figure 3-1 Schematic diagram of rating plate
Table 3-3 Data on the rating plate
Item Description Item Description
(1) Type of motor (12) Rated speed [rpm]
(2) Motor type (13) Starting current ratio
(3) Serial number (14) (empty)
Description
SIMOTICS TN Series N-compact 1LA8
26 Operating Instructions 08/2017