Ferraz Shawmut & Mersen Circuit Protection
The widest range of circuit protection in the industry — fuses, fuseholders, disconnects, power distribution and surge protection. In stock and distributed nationwide by Gross Automation.
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Surge-Trap® STT4X Series
Mersen's Surge-Trap STT4X is a UL Type 1 SPD for outdoor applications — extending the low-cost Surge-Trap line beyond the panel into the environments where antiquated surge protection used to be the only option.
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UL Power Fuses & Ultrasafe Holders
From North American round fuses to Ultrasafe finger-safe fuseholders and low-voltage disconnect switches — research the full line here, organized by category in the sidebar.
General purpose fuses »
Ultrasafe fuseholders »
About Ferraz & Gross Automation
Ferraz Shawmut is now Mersen — same products, same quality. As an authorized distributor, Gross Automation stocks the Mersen line and ships most orders the same or next business day. Research here, then check live pricing and availability.