The dual power supply change-over switch is also called TSE. If it is automatic, it is called ATSE by adding A (English AUTO, meaning automatic) in front of it. The national standard related to dual power switch is: GBT14048.11-2008.Let's take a look at how PC class and CB class are defined in the s
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The difference between switch disconnector and circuit breaker is mainly reflected in different uses and different equipment structures.
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