Zone 1
Explosive gas atmosphere likely to occur in normal operation
Zone 2
Explosive gas atmosphere unlikely to occur and, if it does, only for a short period
Zone 21
Explosive dust atmosphere likely to occur in normal operation
Zone 22
Explosive dust atmosphere unlikely to occur and, if it does, only for a short period
# General
Type: Flameproof Ex d stainless steel limit switch boxes
Available models: 7
# Technical features
Housing: stainless steel AISI 316L
Cable entries: 3x M20x1.5 (opt. NPT 3/4")
Bracket: stainless steel AISI 316, adjustable
SIL level: SIL 1-3
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