Reliance Controls Corporation TWB2012DR Panel/Link Includes a 150A or 200A main circuit breaker interlinked with 30A - 125A generator breaker Breaker feeds heavy-duty copper bus with feed-through lugs Maximum generator running watts: 30,000 Suitable for service entrance and may be used as main panel or feed-through to sub-panel Eliminates dangerous backfeeds and electrical overloads and includes provisions for 4/8 branch circuits