What constitutes switching cabinet

switching txee is widely used in electric fields. Then dab tsi tsim switching cabinet?

Switching cabinet is composed of contactor, relay, circuit breaker, switch, button, indicator light, PLC, sensor, motor, electrical box.

What constitutes switching cabinet-SPL- power transformer, distribution transformer, oil immersed transformer, dry type transformer, cast coil transformer, ground mounted transformer, resin insulated transformer, oil cooled transformer, substation transformer, switchgear