Ltb 72.5-170d1 B Manual -

Additional support and information can be obtained from the manufacturer's website, customer support hotline, or authorized service centers.

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The document is a product manual for the SF6 Circuit-Breaker operating and maintenance guidelines, and environmental information. Scribd Additional support and information can be obtained from

: Erect and bolt the galvanized steel support frames to the foundation. customer support hotline

During a short-circuit interruption, the energy required to extinguish the arc is partly taken from the heat of the arc itself.