The STS is a solid-state, 3-phase, 4-pole switch which connects critical loads 10 1 of 2 separate sources: i source is primary or priority and the other is an alternative power source to ensure power continuity.
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The STS is a solid-state, 3-phase, 4-pole switch which connects critical loads 10 1 of 2 separate sources: i source is primary or priority and the other is an alternative power source to ensure power continuity.