Fault Current Calculator
Cooper Bussmann, LLC Utilities iPhoneiPadiPod touch
Fault Current Calculator is a free Utilities app for iPhone and iPad by Cooper Bussmann, LLC. Rated 3.0/5 from 27 ratings. Requires iOS 14.0.
- Rating
- 3.0
- 27 ratings
- Price
- Free
- on the App Store
- Size
- 25 MB
- Age 17+
- Updated
- Sep 17
- 2025 · v4.2.1
Screenshots
About Fault Current Calculator
Eaton's Bussmann Series FC2 Available Fault Current Calculator application is an innovative tool developed for contractors, engineers, electricians, and electrical inspectors. This tool can be used on the Bussmann website or out in the field on a mobile device for those needing a quick and simple way to determine available fault current. With this simple tool, users can: - Calculate available fault current on single and three-phase systems - Create and send a label via email for marking the available fault current on service equipment (NEC® 110.24) - Size fuses and conductors for service, feeder, and branch circuits. This application, calculations, and other information are intended to clearly present technical information that will determine the available fault current at specific points in an electrical system. Bussmann reserves the right, without notice, to change this application and/or discontinue/ limit its distribution and/or availability. Bussmann also reserves the right to change or update, without notice, any technical information contained in this application. The data and information presented in this application are believed to be accurate. However, any and all liability for the content, or any omissions from this application, including any inaccuracies, errors, or misstatements in such data, calculations or information, is expressly disclaimed. The application, calculations and other information are provided without warranty of any kind, either expressed or implied, but not limited to, the implied warranties of merchantability, or fitness for a particular purpose. Bussmann disclaims any liability for the use of this application, calculations or other information. The complete End-User License Agreement can be found at: https://faultcurrentcalculatorpro.bussmann.com/home/eula
Ratings & reviews
3.0
27 ratings
What’s new
Version 4.2.1 · Updated September 17, 2025
We’ve made several behind-the-scenes improvements to enhance the user experience: - Smoother navigation for a streamlined sign-up process - Minor bug fixes to keep things running reliably - Small design tweaks for a cleaner, more intuitive interface Update now to enjoy a more seamless FC2 experience!
App privacy
The developer, Cooper Bussmann, LLC, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to Fault Current Calculator
Looking for apps like Fault Current Calculator? Here are 6 similar apps on the App Store. The highest rated is Mike Holt's Electrical Toolbox (4.6/5), and all 6 are free to download.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Fault Current Calculator | 3.0 / 5 (27 ratings) | Free | September 17, 2025 | |
| Mike Holt's Electrical Toolbox | 4.6 / 5 (196) | Free | Jul 9, 2026 | Compare |
| Southwire® Voltage Drop Calc | 4.6 / 5 (1,488) | Free | Jul 1, 2026 | Compare |
| Southwire® Conduit Fill Calc | 4.5 / 5 (771) | Free | Jun 17, 2026 | Compare |
| Electrical Calculator lite | 4.6 / 5 (578) | Free | Jul 15, 2026 | Compare |
| Generac Field Pro | 3.0 / 5 (27) | Free | Sep 30, 2026 | Compare |
| NX Lighting Controls | 3.6 / 5 (27) | Free | Sep 30, 2026 | Compare |