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Eaton’s Expanded Portfolio of Bussmann Series Power Distribution Fuse Blocks Reduces Panel Space Requirements by Up to 65 Percent
Posted: Thu Sep 08, 2016 12:49:53 PM


Date: September 8, 2016

ST. LOUIS— Power management company Eaton today announced the expansion of its Bussmann™ series power distribution fuse block (PDFB) portfolio. Combining a fuse block and power distribution block into one component, this patented, innovative design requires up to 65 percent less panel space than traditional solutions. Additionally, the PDFBs use fewer wire connections, reducing material, installation time and labor by 33 percent.

The Bussmann™ series PDFBs are now available for 30 to 400 amp Class J ferrule and knifeblade fuses as well as 30 and 60 amp Class H(K) and R ferrule fuses. PDFBs up to 60 amps feature DIN-Rail and panel mount versatility for ease of installation. The innovative PDFB design eliminates wire runs from the fuse block to a power distribution block to reduce component count, material costs and labor.

A withstand rating of up to 200 kilo amperes (kA) helps achieve a higher equipment Short-Circuit Current Rating (SCCR) for compliance with National Electrical Code (NEC®) sections 110.10, 409.110(4), 409.22, 440.4(B), 670.3(A)(4) and 670.5. The high withstand rating and fewer components make high equipment SCCR easier to achieve while resulting in a lower overall enclosure operating temperature.

“Our power distribution fuse block pairs proven fuse block technology with power distribution capability to use less space and simplify panel configuration,” said Darren McDowell, product manager, Eaton’s Bussmann division. “The new technology was also developed to benefit a wide range of customer applications by offering features that help with code compliance, lower inventory costs and enhance safety.”

Optional see-through covers are available for most versions, providing IP20 finger-safe protection, lockout/tagout capability for enhanced safety, and optional open fuse indication to speed troubleshooting.

Eaton develops and manufactures Bussmann™ series fusible circuit protection and power management and electrical safety products designed to provide innovative overcurrent and overvoltage solutions. These products serve customers in industrial, commercial, alternative energy and electric vehicle markets and in other critical applications.

Eaton’s electrical business is a global leader with expertise in power distribution and circuit protection; backup power protection; control and automation; lighting and security; structural solutions and wiring devices; solutions for harsh and hazardous environments; and engineering services. Eaton is positioned through its global solutions to answer today’s most critical electrical power management challenges.

Eaton is a power management company with 2015 sales of $20.9 billion. Eaton provides energy-efficient solutions that help our customers effectively manage electrical, hydraulic and mechanical power more efficiently, safely and sustainably. Eaton has approximately 96,000 employees and sells products to customers in more than 175 countries. For more information, visit

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