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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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