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...
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
Previous Versions
Here you can find the changelog of Fault Current Calculator since it was posted on our website on 2016-10-11 04:10:26.
The latest version is 4.2.1 and it was updated on 2026-06-17 08:06:30. See below the changes in each version.
Fault Current Calculator version 4.2.1
Updated At: 2025-09-17
Changes: 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!
Fault Current Calculator version 4.2.0
Updated At: 2025-06-05
Changes: Pro version offers:
- Send calculations to ANY email address
- Generate UNLIMITED PDF file of available fault current calculations
- Handle transformer sizes up to 10 MVA
- Save and edit diagrams and mange projects
- Simplified component modification.
- Add generator to the system
- Set default transformer value (from previous selection) for a quick selection
- Add motor contributions for single phase system
- Consolidate multiple project calculations in a single email.
Fault Current Calculator version 4.1.8
Updated At: 2024-10-25
Changes: Overall user experience updates and compatible to latest android version.
Fault Current Calculator version 4.1.6
Updated At: 2022-07-11
Changes: User experience enhancements and bug fixes.
Fault Current Calculator version
Updated At: 2020-05-07
Changes: Updated user interface.
Fault Current Calculator version 4.1.3
Updated At: 2019-04-15
Changes: Updated the fuse sizing and user guide functions.
Fault Current Calculator version 1.5.0
Updated At: 2015-07-13
Changes: VERSION 1.5.0 NOTES,- update user interface,- added French & Spanish translations,- fixed number input bugs
Disclaimer
Official Google Play Link
We do not host Fault Current Calculator on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Google and passed their terms and conditions to be listed there. We recommend caution when installing it.
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