They are filled with vegetable oil, nitrogen or solid resin, most of them have their own safety mechanism, their capacitance ranges from a few micro- to several dozen millifarads. Our AC capacitors with SecuMet™ metallization are famous for their durability and safe operation.
Install and forget.
Cylindrical Capacitors with Overpressure Switch
Universal AC/DC capacitors with Internal Safety Device
As a rule, AC capacitors should be protected by an autonomous safety device. We have been doing that for over 70 years and know how to make sure it works: our break-action mechanism (BAM).