Westinghouse 449D707H01 Secondary Disconnect Block

The Westinghouse 449D707H01 Secondary Disconnect Block delivers a dedicated secondary circuit disconnect interface for DS air breaker systems in industrial power distribution, enabling safe isolation during maintenance and servicing. It is a bolt-on disconnect block designed for use in switchgear assemblies, air circuit breaker systems, and electrical distribution equipment requiring reliable secondary connection isolation. Key specifications: Manufacturer Part Number 449D707H01, Brand Westinghouse, Product Type Disconnect Block, Mounting Type Bolt-On, System Type Industrial Power Distribution System, Installation Type Breaker Assembly Mount, Compatible Equipment DS Air Breakers, Applications Secondary Circuit Disconnect and Isolation. Common replacements include Westinghouse 449D707H02 Disconnect Block, Siemens WL Secondary Disconnect Block, and Eaton DSII Secondary Disconnect Assembly.