The designation dIIBT4 refers to a Class II, Category B explosion-proof rating.
II | σι | Τ4 | Γιγαμπάιτ | IP64 |
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Mine I | Μεθάνιο | T1 450℃ | Μαμά Extremely high level of protection | IP64 |
T2 300℃ | ||||
Mb High level protection |
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T3 200℃ | ||||
I Surface Materials | Προπάνιο | Ga Extremely high level of protection |
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T4 135℃ | ||||
Αιθυλένιο | Γιγαμπάιτ High level protection |
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T5 100℃ | ||||
Υδρογόνο, Ασετυλίνη | Gc General level protection |
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T6 85℃ |
The prefix ‘d’ denotes a flameproof type of enclosure, designed so that any internal explosion is contained without damaging the enclosure and preventing the spread of explosion outside;
IIB specifies the category of gas utilized;
T4 signifies that the product’s maximum surface θερμοκρασία remains below 130°C.