Air-Insulated Switchgear (AIS)
Also known as Metal-Clad Switchgear.
This is the standard choice for primary power distribution. Its design is straightforward and trusted worldwide.
The main advantage is easy operation: the circuit breaker is mounted on a moving truck or drawer. If you need to check or replace it, your team can safely disconnect and roll it out. A spare unit can be installed quickly, keeping your downtime to a minimum. This makes AIS ideal for main power rooms and substations where easy access for maintenance is a priority.
You'll most often find units like the classic withdrawable KYN series.
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