Scope of application:
1. Can be used in zone1 and 2 dangerous places.
2. Can be used in II A 、IIB 、IIC,temperature classification from T1 to T6 in explosion gas environment.
3. Can be used in zone 20、21、22；flammable dust atmosphere.
Model implication:
   
BZX51 Series Explosion-proof Tarvel Switch
Features:
1) aluminum alloy die-casting shape, fine appearance, high voltage static plastic sprayed surface,anti-corrosion.
2) Steel pipe or cable wiring.
3) Conform to GB3836－2000、IEC60079、GB12476.1－2000、IEC61241 standards.
Main technical parameters:
Rated voltage(V)
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Rated current（A)
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Number of contact
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Explosion mark
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IP rating
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Inlet thread
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Cable external diameter（mm）
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AC220
AC380
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2
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One open
Another one close
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Exd II BT6
Exd II CT6
DIPA20TA,T6
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IP54
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G3/4
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Φ8~Φ13
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Outline and installation dimensions：
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