Scope of Application
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Suitable for explosive gas atmospheres in Zone 1 and Zone 2
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Suitable for combustible dust atmospheres in Zone 21 and Zone 22
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Suitable for Class IIA, IIB, and IIC explosive atmospheres
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Temperature class: T1 ~ T6
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Widely used in flammable and explosive gas environments and combustible dust locations such as petroleum, chemical, metallurgical, pharmaceutical, and defense industries
Product Features
Housing constructed from die-cast aluminum alloy, 304 stainless steel plate, and carbon steel plate welded together; finished with electrostatic powder coating or left in natural stainless steel finish
Explosion-proof types include flameproof and composite type
Excellent dust and water ingress protection
Overload and short circuit protection
Leakage protection available as an option
Surge protection available as an option
Cable entry orientation: standard bottom-in, bottom-out
Mounting methods: floor-mounted, wall-mounted, and portable
Steel pipe or cable wiring
Technical Parameters
Applied standards: GB3836.1, GB3836.2, GB3836.3, GB12476.1, GB12476.5
Explosion-proof marking: Ex d IIB T4/T6 Gb, Ex d IIC T4/T6 Gb, Ex de IIB T4/T6 Gb, Ex de IIC T4/T6 Gb, Ex tD A21 IP66 T80-135°C
Rated voltage: AC220/380V
Main circuit max. current: 630A
Branch circuit currents: 1, 3, 6, 10, 16, 20, 25, 32, 40, 50, 63, 100, 125, 225, 250, 400A
Protection rating: IP66
Corrosion protection rating: WF1 / WF2
Inlet/outlet sizes: G1/2” ~ G4”
Cable outer diameter: 6 ~ 80 mm