Shop Mersen Fuses & Circuit Protection
Browse Mersen (formerly Ferraz Shawmut) industrial fuses, power semiconductors, and electrical safety products from Gross Automation, an authorized Mersen distributor.
Technical specifications, datasheets, and cross-reference tools for 434+ products.
Authorized Distributor Services
Authorized Distributor
Gross Automation is an authorized distributor of Mersen (formerly Ferraz Shawmut) products, including industrial fuses, circuit protection devices, and power management components.
Technical Support
Application engineering support is available to assist with fuse selection, coordination studies, and circuit protection system design for industrial and commercial installations.
Product Catalog
This site provides technical reference for 434+ Mersen products. For pricing, availability, and ordering, visit Gross Automation or submit a quote request.
Product Categories
Disconnect Switches
Fusible and non-fusible disconnect switches including FuserBloc and SirCover families.
Fuse Holders & Blocks
DIN rail, panel mount, inline, and modular fuse bases for industrial control panels.
General Purpose Fuses
Class J, RK1, CC, H, K, R, and T fuses for industrial and commercial overcurrent protection.
Medium Voltage Fuses
Fuses for 2.4kV to 38kV electrical distribution systems and switchgear.
Meters
Digital metering solutions including the DIRIS line of multifunction power meters.
Miniature & Glass Fuses
3AG, 5AG, 8AG, and micro-format fuses for instrumentation and control circuits.
Other Products
Accessories, tools, and specialized components for electrical protection.
Power Distribution
Power distribution blocks for branch circuit distribution in industrial panels.
Semiconductor Fuses
High-speed fuses for SCRs, thyristors, diodes, IGBTs, and other power semiconductors.
Special Purpose Fuses
Fuses for photovoltaic, forklift, welding, mining, and capacitor bank applications.
Surge Protection
Surge protection devices including the Surge-Trap line of DIN rail and panel mount SPDs.
UltraSafe Fuse Holders
Finger-safe, enclosed fuse holders that eliminate arc flash exposure during maintenance.
Selection & Cross-Reference Tools
Use the product catalog, search, or cross-reference tools to locate Mersen (formerly Ferraz Shawmut) fuses and circuit protection devices.