BLW52 Explosion Proof Safety Load Switch
Explosive gas atmosphere Zone 1 and Zone 2
Combustible dust areas Zone 21 and Zone 22
Explosive gas mixture classification IIA, IIB, IIC
Explosive gas ignition temperature group T1-T6(T4)
Technician specifications
Ex rating: Exde IIB T4 Gb, Exde IIC T4 Gb, Ex td A21 IP66 T135℃
Rated current: 20-100A, 3 phase or 4 phase
Rated voltage: AC220V/380V
Built-in components: Load switch, Terminals
IP grade: IP65, IP66*
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Corrosion-proof class: WF1, WF2*
Way of inlet: Top in-Bottom out, Bottom in-Top out, Top in-Top out or Bottom in-Bottom out
Standard is Bottom in-Bottom out if no noted
Inlet thread: G1/2" ~G3"
Wiring Outer diameter: φ6.5mm~φ70mm
Mounting: wall type
Executive standard: GB3836.1, GB3836.2, GB3836.3, GB12476.1, GB12476.5; IEC60079-0, IEC60079-1, IEC60079-7, IEC61241-0,IEC61241-1; EN60079-0, EN60079-1, EN61241-0, EN61241-1
China [CN] 
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