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ABW - Air Circuit Breaker | 53
7 INSPECTION AND MAINTENANCE CYCLES
Service conditions
Environment
Typical examples
Inspection cycle
Estimated useful life
Normal
Clean and dry air
Electrical rooms, with air
filters and air-conditioning
Every 2 years
Approx. 10 years
Sheltered installation
with little dust, without
presence of corrosive
gases
Distribution panels or
electrical rooms without
air filters or air-conditioning
Special
Saline environments,
with high temperatures
and/or with presence of
corrosive gases
Thermoelectric power
plants, sewage treatment
plants, steel mills, paper/
cellulose plants, etc.
Yearly
Approx. 7 years
Environments with high
presence of toxic or
corrosive gases
Distribution panels or
electrical rooms without air
filters or air-conditioning
Every 6 months
Approx. 5 years
Table 7.1:
Содержание ABW Series
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