Siemens SIMOTICS A 1FU8 Operating Instructions Manual page 221

IP
Degree of protection
ISPM
International Standards for Phytosanitary Measures
N marking
Balanced without featherkey (non)
NDE
Non-drive end
NE/NDE
Non-drive end
SH
Shaft height
TR CU
Technical regulations of customs union
UL
Underwriters Laboratories
VIK
Verband der industriellen Energie- und Kraftwirtschaft (German Association of Industrial
Energy Users and Self-Generators)
Zone 1
Atmosphere: Gas; Danger level: Occasional danger; Type of protection: Increased safety "e"
Zone 2
Atmosphere: Gas; Danger level: Infrequent and short-term danger; Type of protection: Non-
sparking "n"
1FU8
Operating Instructions, 02/2016, 5 610 70000 02 000
Glossary
107