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Mining Explosion-proof Vacuum Feeder Switch
1.KBZ-200/400/1140(660)II Mining explosion-proof vacuum feeder switch is used in coal mines containing explosive gas and coal dusts for three-phase isolated neutral power supply system with AC 50hz,voltage 1140(660V)and rated current to 400(200A).
2.With a kind of protection function for three-tier selective leakage ,wind and gas power atresia ,long-range short-circuit,overload,etc.
3.Certification are available:such as MA safety security certification,explosive certification ,ISO9001 certification,etc.
MAIN TECHENIC PANAMETERS:
| MODEL | KBZ-200/400/1140(660V) | |
| Rated voltage | 1140(660v) | |
| Rated current | 400(200A) | |
| Ultimate breaking capacity | 7.5KA | |
| Operation | Electric closing gate and sub-gate | |
| Dimensions | 780mmX550mmX850mm | |
| Weight | 310kg | |
Mining Explosion-proof Vacuum Feeder Switch