# Arc Flash Label Calculator — Arc Flash Label Generator > Arc flash label calculator and generator based on NFPA 70E standards. (iPhone/iPad app by Octagon Seven LLC.) - Source: https://appshunter.io/ios/app/arc-flash-label-calculator/id1363795374 (this page in markdown: same URL + `.md`) - Developer: [Octagon Seven LLC](https://appshunter.io/developer/1200115862) - Category: Utilities, Business - Price: Free with in-app purchases - Rating: 3.80/5 from 4 App Store ratings · 2 written reviews indexed - Age rating: 4+ - Requires: iOS 9.0 · 20 MB - Languages: American English - Released: 2018-08-04 - Data updated: 2026-06-01 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/arc-flash-label-calculator/id1363795374/reviews.md ## What is Arc Flash Label Calculator? An easy to use develop arc flash label calculator and label generator. Input the necessary information into the app and it will generate a PDF label using NFPA 70E Annex D.4 (VAC) arc flash label calculations & methodology. Support for circuit breakers: MCCB, ICCB & LSI (Electronic LVPCB) and fuses by Cooper Bussmann and Ferraz-Shawmut including Classes: RK1, RK5, L, J, CC, T & H. Wide support for different overcurrent protection devices and pre-programmed models are setup for easy use. Custom configurations are supported by adjustments conductor gap, working distance and arcing time. Arc flash label calculates and includes: Incident Energy [cal/cm^2], Arc Flash Boundary, Limited Approach Boundary, Restricted Approach Boundary, Hazard Risk Category, voltage and short circuit current. Labels output 4 per sheet using standard 4 label template. Develop arc flash labels for low, medium and high voltage three phase equipment up to 15,000VAC and 1,000VDC. High voltage package required for voltages over 220V. Quick preset options to support major international standards. Requires Mail app configured for outgoing email. ## Key features - Arc flash label calculation - NFPA 70E Annex D.4 methodology - Support for MCCB, ICCB, LSI, and fuses - Calculates Incident Energy, Arc Flash Boundary, Approach Boundaries - Generates PDF labels (4 per sheet) - Supports low, medium, and high voltage equipment - Custom configurations for gap, distance, and time ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Unlock High Voltage Arc Flash | $19.99 | one-time | ## Recent user reviews (2 of 2) All indexed reviews: https://appshunter.io/ios/app/arc-flash-label-calculator/id1363795374/reviews.md ### 1/5 — Trial crippled *2021-04-20* Not possible to evaluate the app as it simply doesn’t work. I can’t enter data, it doesn’t work in dark mode the input text isn’t visible. It’s not possible to perform a calculation in order to see the potential outcome. ### 4/5 — Good but needs more fuses *2018-06-30* Add more fuse types ## Frequently asked questions about Arc Flash Label Calculator ### What is the Arc Flash Label Calculator used for? The Arc Flash Label Calculator is used to generate arc flash labels for electrical equipment. It calculates essential safety information like incident energy and approach boundaries based on NFPA 70E standards. ### What electrical devices does the Arc Flash Label Calculator support? It supports various overcurrent protection devices including MCCBs, ICCBs, LSIs, and fuses from brands like Cooper Bussmann and Ferraz-Shawmut. This includes classes like RK1, RK5, L, J, CC, T, and H. ### What information is included on the generated arc flash labels? The generated labels include Incident Energy [cal/cm^2], Arc Flash Boundary, Limited Approach Boundary, Restricted Approach Boundary, Hazard Risk Category, voltage, and short circuit current. ### Can the Arc Flash Label Calculator handle different voltage levels? Yes, it can develop arc flash labels for low, medium, and high voltage three-phase equipment up to 15,000VAC and 1,000VDC. A high voltage package is required for voltages over 220V. ### How are the arc flash labels formatted? Labels are outputted 4 per sheet using a standard 4-label template, making them ready for printing and application. ### Does the Arc Flash Label Calculator have ads? No, the Arc Flash Label Calculator does not contain advertisements. It is a free application without any ads. ### What is the user rating for the Arc Flash Label Calculator? The app has a user rating of 3.8 stars based on 4 ratings. This indicates a generally positive but mixed user reception. ### How often is the Arc Flash Label Calculator updated? The app was last updated on December 9, 2019, with version 1.10. It was initially released on August 4, 2018. ## Version history (last 5 releases) ### 1.10 — 2019-12-09 -improved trip estimate (custom mode) ### 1.09 — 2019-07-01 -Language Localizations -Subscription upgrade option added for High Volt Upgrade package ### 1.08 — 2019-05-21 - UI updates - Label updates - Additional service option ### 1.07 — 2019-03-10 -UI/UX update -Setting description update -Setting options: Include/exclude HRC on label -Setting options: set unsafe for live work threshold -Fuse model update ### 1.06 — 2018-08-22 - Added additional Ferraz-Shawmut fuse libraries - New CC Fuse class option added ## Apps similar to Arc Flash Label Calculator | App | Rating | Price | Category | | --- | --- | --- | --- | | [AWG Calculator: Wire Size](https://appshunter.io/ios/app/awg-calculator-wire-size/id1607173204) | 4.6 (67) | Free | Utilities | | [Overhead Install Guide](https://appshunter.io/ios/app/overhead-install-guide/id1353512021) | 4.8 (4) | Free | Utilities | | [Arc Flash Label Maker](https://appshunter.io/ios/app/arc-flash-label-maker/id6476114580) | — | Free | Utilities | | [EcoStruxure Power Device](https://appshunter.io/ios/app/ecostruxure-power-device/id1130256180) | 3.0 (6) | Free | Utilities | | [Fault Current Calculator](https://appshunter.io/ios/app/fault-current-calculator/id647477910) | 3.1 (23) | Free | Utilities | | [ElectriCalc Pro](https://appshunter.io/ios/app/electricalc-pro/id569677304) | 4.9 (256) | Free | Utilities | ## More apps by Octagon Seven LLC - [Fault Current Finder](https://appshunter.io/ios/app/fault-current-finder/id1200115863) - [Power Triange Calculator](https://appshunter.io/ios/app/power-triange-calculator/id1330408749) - [Arc Flash Power Tools](https://appshunter.io/ios/app/arc-flash-power-tools/id1435677882) All apps by Octagon Seven LLC: https://appshunter.io/developer/1200115862 ## Related topics [octagon seven llc](https://appshunter.io/ios/topics/octagon-seven-llc) · [mhd flasher n54](https://appshunter.io/ios/topics/mhd-flasher-n54) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*