Distribution transformer fuses and fuse cutouts designed for reliable overcurrent protection, including expulsion fuses, current-limiting fuses, and fuse links for utility, industrial, and commercial power systems. These fuses are critical protective devices designed to interrupt fault currents and prevent damage to transformers, distribution lines, and downstream equipment. By isolating faults quickly, these fuses help maintain system reliability, reduce outage impact, and protect high-value electrical assets. Transformer protection typically relies on two primary fuse types: current-limiting fuses, which interrupt high fault currents rapidly, and expulsion fuses, which safely vent gases to extinguish arcs during fault conditions.Â
Parts Super Center, supplies a wide range of distribution transformer fuses and cutout assemblies designed for overhead and pad-mounted applications, including fuse links, dropout fuse cutouts, and medium-voltage current-limiting fuses compatible with leading OEM transformer systems.
Built for Utility & Industrial Protection, our transformer fuse solutions are engineered for electric utilities and rural co-ops, substations and grid infrastructure, steel mills and heavy industrial operations, as well as commercial and institutional power systems
These components are essential for protecting transformers from overloads, short circuits, and transient faults, helping extend equipment life and improve system uptime.
Common Fuse Types & Configurations we supply  include a complete range of transformer protection devices, such as expulsion fuse cutouts (dropout fuses) for overhead distribution lines. Common part number patterns & OEM references we support and source along with cross-referencing for widely used OEM fuse and cutout formats, including ABB, Eaton Cooper Power, Hubbell (Chance), Mersen, Littelfuse, and Siemens.
Typical industry part number formats include:
- Eaton / Cooper Power expulsion fuses: DBU17-20E, DBU17-80SE series
- Hubbell / Chance cutouts: C710143PB, CP730143PX, C730242PB
- Mersen / Amp-Trap current-limiting fuses: A155C3D0R0-200E, A240T2E
- Littelfuse E-rated fuses: 200E2CL15.5, 100E series
- Schneider / Square D: 5GS150 medium-voltage fuse
Customers frequently search by voltage class (15kV, 27kV), amp rating (100A, 200A), or partial part numbers—this page supports replacement sourcing and cross-referencing for legacy and OEM components.
Whether you’re replacing a fuse link, upgrading a cutout assembly, PSC sources new installations, our distribution transformer fuses deliver the protection and performance required to keep power systems operating safely.
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