Electrical Protection Calci

Electrical calculator to find out various parameters

Swapnil More · appinventor.ai_yogesh_amore.ElectricalTripTimeCalci

Not rated yet 5K+ downloads v6.9.1 17.3 MB Android 15+ PEGI 3 · Everyone

Download APK 17.3 MB All versions

Signature matches the Google Play version Details

Electrical Protection Calci screenshot 1

Electrical Protection Calci screenshot 2

Electrical Protection Calci screenshot 3

Electrical Protection Calci screenshot 4

Electrical Protection Calci screenshot 5

Electrical Protection Calci screenshot 6

Electrical Protection Calci screenshot 7

At a glance

Latest version: v6.9.1 (40)
Updated: Aug 2, 2026 (2 months ago)
APK size: 17.3 MB
Requires: Android 15+ (API 35)
CPU support: Any (no native code)
Category: Productivity (app)
Listed since: May 7, 2021 (at least)
Permissions: 10 (1 sensitive)
Developer contact: [email protected]

About this APK

Electrical Protection Calci is an app by Swapnil More in the Productivity category, listed since at least May 2021. It has no native code, so it runs on any Android processor.

Since version 4.2.2, the APK grew from 10.2 MB to 17.3 MB and the minimum Android version rose from 4.4 to 15. It asks for 10 permissions, 1 of them sensitive: read shared storage. Compared with version 6.3, it adds 1 new permission: “Read shared storage”. The app can read the advertising ID that ad and analytics services use.

What's new in v6.9.1

Test formats for Current Transformer & Power / Auxilary transformers added

Description

From the listing uploaded by “appupdater”.

This calculator can be used to calculate Tripping time of numerical as well as electro-mechanical relay at your installation within fraction of seconds. This app also tells the RESET TIME of electro-mechanical induction disc type relays. Trip Time co-ordination functionality is added newly for relay co-ordination purpose. Supported Standards are IEC and US. Supported Curves are - 1. Standard Inverse 2. Inverse 3. Very Inverse 4. Extremely Inverse 5. Long Time Inverse 6. Short Time Inverse Transformer parameters calculations based on nameplate details are also available. Following parameters are calculated - 1. Primary and Secondary Full load current 2. Transformation Ratio 3. Primary and Secondary Short circuit Current (Approximate) 4. Primary Voltage required for full load secondary current on short circuit based on %Z

Version history

4 versions are listed, going back to v4.2.2. Since v6.9.1 it requires Android 15+.

v6.9.1 LATEST Aug 2, 2026 17.3 MB TRUSTED v6.3 Dec 17, 2024 17.3 MB TRUSTED v5.1 Jun 17, 2023 9.1 MB TRUSTED v4.2.2 Mar 23, 2022 10.2 MB TRUSTED

All 4 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Aug 2, 2026.
Certificate issued to “AppInventor for Android” This is the certificate of the Google Play version.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature verified Aug 2, 2026
Validated against Google Play Aug 2, 2026
Signed by[email protected], O=AppInventor for Android, C=US
Signing certificate (SHA-1)76:98:2A:6A:0A:6C:AB:A5:EA:C8:42:A1:20:D7:CC:88:1E:1A:6E:F1
File MD5826042919cc0b0a6abd4fb01b3cb5903
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (10)

Electrical Protection Calci requests 10 permissions, 1 of them sensitive.

Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
Access adservices topics android.permission.ACCESS_ADSERVICES_TOPICS
Advertising ID com.google.android.gms.permission.AD_ID
Full network access android.permission.INTERNET
Internal broadcast protection (app-defined) appinventor.ai_yogesh_amore.ElectricalTripTimeCalci.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
Run foreground services android.permission.FOREGROUND_SERVICE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch

Electrical Protection Calci APK: questions and answers

Is there a version of Electrical Protection Calci for older Android phones?

The current version needs Android 15 or later. Version 6.3 is the newest listed build that installs on Android 13 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 6.3 · All versions

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the Electrical Protection Calci APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is 826042919cc0b0a6abd4fb01b3cb5903.