mbjh explosion-proof junction box
Application
1. can be used in Zone 1 and Zone 2 dangerous places.
2. can be used in ⅡA,ⅡB group explosive atmosphere.
Features
1. the shell is of diecasted Al-alloy with plastic –sprayed surface.
2. inlet or outlet has many kinds of modes and specifications.
3. thread specification can be specially designed.
Main technical pareameters
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Rated voltage(V)
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Rated current(A)
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Ex-mark
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Protection grade
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Inlet’s thread(G”)
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Corrosion-proof
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380
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20
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ExdⅡBT6
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IP54 IP55
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1/2,3/4,1,
11/4,11/2,2
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WF1
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ExdeⅡCT6
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|||||
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ExeⅡT5
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Outline and mounting example
Note :
1. Generally the diameter of entry is equal to that of hung cover hole.special requirement can be available.
2. the entry is often made as pipe thread G1/2’’, G3/4’’, G1’’, also special requirement can be made.
For example:
1. AH-3/4B: means AH explosion-proof junction box,pipe thread G3/4’’, 2 direct entries with horizontal cover.
2. AH-1/2J: means AH explosion-proof junction box, pipe thread G1/2’’ , 2perpendicular entries with hung cover.