Fault Current Calculator (PFC)1.4.8 - App Store
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Publisher Description
Fault Current Calculator for iPhone and iPad is a fast, free tool for electricians, contractors, and engineers. Calculate Prospective Fault Current (PFC), Prospective Short-Circuit Current (PSCC), and Prospective Earth Fault Current (PEFC).
Enter any two known values - voltage, loop impedance (Zs/Ze), or fault current - and the app instantly calculates the third.
KEY FEATURES:
PSCC and PEFC calculations:
Calculate prospective short-circuit current for L-N or L-L faults and prospective earth fault current for L-E faults.
Single-phase and three-phase support: Perform fault-current calculations for both system types.
Automatic calculations:
Enter any two known values to auto calculate the third.
Loop-impedance calculator:
Calculate Zs or Ze from voltage and prospective fault current.
Formula display:
See the formula used for each calculation so you can understand and verify the result.
Works offline:
Use the app in roof spaces, basements, plant rooms, and other locations without a signal.
Dark mode and light mode:
Maintain a clear display in different site conditions.
16 languages:
Fully translated for electricians worldwide (af, ar, de, es, en, fr, hi, id, it, ja, ko, nl, pl, pt, ru, zh).
Fast and free:
A clean interface designed to deliver results without unnecessary steps.
DEFINITIONS:
AIC (Ampere Interrupting Capacity), often written as kAIC for kilo-Amperes, is a specific rating for protective devices that open a circuit, such as circuit breakers and fuses.
SCCR (Short-Circuit Current Rating) is the maximum fault current that a complete piece of equipment or electrical assembly (like an industrial control panel, switchboard, or HVAC unit) can safely withstand without causing a hazard.
Electrical calculations should be independently verified before safety-critical work. Ensure the calculated prospective fault current does not exceed the protective device's rated breaking capacity.
For additional tools, upgrade to Electrical Tools & Reference, which includes calculators for kVA, Max Zs, cable sizing, and more.
Pro Certs Software - trusted by electricians since 2011.
Version History 11/08/2026 v1.4.8
- New user interface (UI)
- Added dark mode
- Added 16 languages (af, ar, de, es, en, fr, hi, id, it, ja, ko, nl, pl, pt, ru, zh)
- Performance optimisations
- Added help guides 1.4.8 Aug 12 26/07/2025 v1.4.5
- Some UI updates.
- Some optimisations.
- Smaller app size (faster to download). 1.4.5 07/28/2025 News feed update. 1.4.1 01/24/2022 Added calculate to PFC three phase kA & Amps, improved layout and optimizations. 1.4 11/21/2021 April 2020: New User Interface (UI). 1.3 04/27/2020 Thank you for downloading PFC Fault Current Calculator. This version brings new UI improvements and bug fixes. 1.2 03/17/2019 Added QR code share function (hence new permissions). Brand new version with new UI 1.1 05/17/2018 1.0 11/15/2012
About Fault Current Calculator (PFC)
The company that develops Fault Current Calculator (PFC) is Pro Certs Software Ltd. The latest version released by its developer is 1.4.8.
To install Fault Current Calculator (PFC) on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-14 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the Fault Current Calculator (PFC) as malware if the download link is broken.
How to install Fault Current Calculator (PFC) on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the Fault Current Calculator (PFC) is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After Fault Current Calculator (PFC) is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 1.4.8
posted on 2026-10-14
Version History 11/08/2026 v1.4.8
- New user interface (UI)
- Added dark mode
- Added 16 languages (af, ar, de, es, en, fr, hi, id, it, ja, ko, nl, pl, pt, ru, zh)
- Performance optimisations
- Added help guides 1.4.8 Aug 12 26/07/2025 v1.4.5
- Some UI updates.
- Some optimisations.
- Smaller app size (faster to download). 1.4.5 07/28/2025 News feed update. 1.4.1 01/24/2022 Added calculate to PFC three phase kA & Amps, improved layout and optimizations. 1.4 11/21/2021 April 2020: New User Interface (UI). 1.3 04/27/2020 Thank you for downloading PFC Fault Current Calculator. This version brings new UI improvements and bug fixes. 1.2 03/17/2019 Added QR code share function (hence new permissions). Brand new version with new UI 1.1 05/17/2018 1.0 11/15/2012
Disclaimer
Official App Store Link
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