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Front Operated 60 to 400A
Front Operated 600 to 800A
Side Operated 60 to 400A
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Fusible Disconnect Switches

Ferraz Shawmut FUSERBLOC disconnect switches are extremely durable, manually operated, fusible disconnect switches.  The switches employ double break contacts per pole that ensure complete isolation of the fuse when the switch is in the OFF position. With safety in mind, all FUSERBLOC switches are supplied with fuse covers and line side shrouding as a standard feature. These switches provide the ultimate in short circuit protection when used with Ferraz Shawmut's Class J or L fuses. These heavy-duty switches are designed with the most up-to-date disconnect fuse and switch technology available. Designed to meet the UL98 or UL489 standard, the FUSERBLOC gives you the product that "makes and breaks" power circuits under load.
    Features
  • 600 VAC, 250 VDC
  • Up to 200 kA Short Circuit Current Rating (SCCR) with Class J or L Fuses
  • Double break contacts per pole up to 800 A
  • Touch safe fuse covers/ line shrouding standard
  • Service Entrance Rated, UL98

    Applications
  • Service entrance or main panel disconnects up to 600VAC, 800A
  • "Make and Break" power circuit on load
  • Fusible isolation switches
  • NFPA 79 solutions

    Recommended fuse usage
  • FBJ use with AJT, A4J, HSJ
  • FBL use with A4BQ, A4BY, A4BT

    Accessories
  • Rotary handles and shafts (front operated models)
  • Flange handles and cables (side operated models)
  • Lug kits
  • Terminal shroud kits
  • Shorting links
  • Auxiliary contact blocks

 Non-Fusible/Fusible Catalog Pages
 SIRCO Disconnect Guide
 Application Guide
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Front Operated 60 to 400A
 
from $108.00
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Front Operated 600 to 800A
 
from $1,299.00
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Side Operated 60 to 400A
 
from $145.00
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