1. The surface of the circuit breaker should be clean, the components are intact and firm, and there is no heat and discoloration.
2. Porcelain parts such as casing rods and insulators are non-destructive and non-discharged.
3. The oil mark indication should be within the specified range. The oil cylinder has no leakage and the oil color is normal.
4. The closing and closing indicator indicates normal.
5. The circuit breaker's opening and closing coils have no burnt smell and burns.
6. There is no noise or discharge inside the oil cylinder.
7. The oil-less circuit breaker should check the grounding of the bracket. The multi-oil circuit breaker should check the grounding of the casing.
8. After the SN1 and SN2 type circuit breakers are operated, the soft copper piece should be inspected without breaking.
9. The operating mechanism should be completely free of rust.
10. The drive pin connecting rod is complete without breaking.
11. The oil pressure buffer or spring buffer should be intact.
12. After a fault trip and a sudden change in weather, special inspections should be conducted.
2. Porcelain parts such as casing rods and insulators are non-destructive and non-discharged.
3. The oil mark indication should be within the specified range. The oil cylinder has no leakage and the oil color is normal.
4. The closing and closing indicator indicates normal.
5. The circuit breaker's opening and closing coils have no burnt smell and burns.
6. There is no noise or discharge inside the oil cylinder.
7. The oil-less circuit breaker should check the grounding of the bracket. The multi-oil circuit breaker should check the grounding of the casing.
8. After the SN1 and SN2 type circuit breakers are operated, the soft copper piece should be inspected without breaking.
9. The operating mechanism should be completely free of rust.
10. The drive pin connecting rod is complete without breaking.
11. The oil pressure buffer or spring buffer should be intact.
12. After a fault trip and a sudden change in weather, special inspections should be conducted.
Pneumatic Lifting Column,Telescopic Pillar Actuator,Telescopic Lifting Column,Telescopic Electric Cylinder
Kunshan Zeitech Mechanical & Electrical Technology Co., Ltd , https://www.zeithe.com