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Industry’s most comprehensive medium voltage circuit protection

We’ve now expanded our portfolio to provide a solution for virtually every current-limiting medium voltage E-Rated, R-Rated and PT fuse application.

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Lead the charge with compact designs

Use up to 48% less enclosure space to reduce the overall size of power conversion equipment.

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Understanding Selective Coordination in the 2014 NEC®

Selective Coordination Designer v1.0 is a powerful, free online tool to help you identify and select coordination solutions.

Register and watch a webcast on the selective coordination design considerations you need to know!

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2016 training enrollment now open

Improve your knowledge of electrical safety and circuit protection

Sessions available for:

  • Bussmann series Product Distributors
  • Consulting and Design Engineers
  • Original Equipment Manufacturers

Reserve your seat now!

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Understanding Selective Coordination>

The NEC® 2014 defines two levels:
- Selective Coordination for all currents
  and times
- Coordination to 0.1 second
It's important to know the difference.

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FuseFinder mobile app>

FuseFinder for Android and Apple devices delivers a comprehensive cross reference tool at your fingertips.

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New power distribution fuse block>

Class J fuse block incorporates power distribution capability to eliminate component count, reduce cost, and save labor and panel space.

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Code changes based on the 2014 NEC®>

This brochure highlights the 2014 NEC® changes pertaining to circuit protection.

See Selecting Protective Devices (SPD) handbook No. 3002 for more details.

SurgePOD HEAVY DUTY UL Type 1 Surge Protective Device

SurgePOD HEAVY DUTY SPDs>

UL Type 1 surge protective devices provide overvoltage protection for commercial and industrial applications.

Fuses Made Simple

Fuses Made Simple™>

3 Tiers of protection, 4 fuse families - the easiest, fastest way to select and specify the right fuse.

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New fuse selector tool>

Find your branch circuit, supplemental or photovoltaic fuse based on selected attributes. Narrow search results with multiple attributes. The results link to product pages for details.