Sulfur hexafluoride circuit breakers arrived at the scene after the inspection

General provisions (a) sulfur hexafluoride circuit breaker arrived at the scene after the inspection. 1) out of the box should be checked before packing undamaged. 2) equipment, parts, spare parts and special tools and instruments should be complete,  circuit breakers  deformation. 3) insulation should be no deformation, moisture, cracks and peeling. 4) ceramic surface should be smooth, without cracks and defects,  mcb circuit breaker  be no blisters. 5) filled with sulfur hexafluoride gas components, the pressure value should meet the technical requirements. 6) factory documents and  Circuit breaker  information should be complete. (2) sulfur hexafluoride circuit breakers arrived at the scene and the subsequent custody. 1) Original equipment shall be placed on the flat, no water, no corrosive gases venue.