Types Of Protection - M&C MP47-Z Ex Betriebsanleitung

KNF MOTOR M 56 EX
Translation of Original Operating- and Installation Instructions, english, KNF 121220-121648 09/17

2.4.5. Types of protection

Marking Description
d Flameproof enclosure
e Increased safety
i Intrinsic safety
p Pressurization
m Encapsulation
o Oil immersion
q Sand filling
nA Non sparking
nC Several meanings
nR Vapor proof housing
nL Energy-limited
(varies between North America and Europe)
nP Simplified pressurization
Tab. 7
2.4.6. Equipment protection level
Marking Description
Ga Device with a "very high" protection level
Gb Device with a "high" protection level
Gc Device with "extended" protection level
Tab. 8
Use
7