Max Zs Values

Name: Max Zs Values
Price: 10.99 USD
Author: Pro Certs Software Ltd

LivePro Certs Software Ltd13 apps · 406.6K installsProductivity$10.99com.pro_certs.maxzs

BS 7671 maximum zs values for fuses MCB's RCBO's and MCCB's and more...

Alert me ★ Watch Open in Play ↗

Total installs: 5,010
Installs / day: —
Rating: —★
Released: 29 Oct 2015
Last update: 28 Jul 2026
Countries: —

Install history

exact counter from Google Play

30dAll

Installs per day · last 90 days

Change timeline

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

Country availability

Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.

Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

App manifest

Read this app's manifest from Google Play: permissions, declared SDKs, components and AdMob app ID. Saved analysis appears here automatically.

Data safety

declared by the developer on Google Play

No data shared with third parties
No data collected

This is the developer's own declaration, summarised from the Play listing. The permissions below show what the app is technically able to access.

Permissions

5 in 3 groups

4 Sensitive0 Notable1 Routine

What this app can do with your phone

Read photos, videos, and other files saved in your phone's shared storage
Add, change or delete photos, videos and other files in your phone's storage

Photos/Media/FilesSensitive2

Access to photos, videos, music and other files stored on your device

Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE
Add, change or delete photos, videos and other files in your phone's storagemodify or delete the contents of your USB storage · WRITE_EXTERNAL_STORAGE

StorageSensitive2

Access to files, photos and media saved on your phone's storage

Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE
Add, change or delete photos, videos and other files in your phone's storagemodify or delete the contents of your USB storage · WRITE_EXTERNAL_STORAGE

OtherRoutine1

Access to miscellaneous device features that don't fit other categories

Connect to the internet to load content and send datafull network access · INTERNET

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Full description

Max Zs values for Android, look up the maximum permitted Zs value (earth fault loop impedance) in accordance with BS 7671 amendment 4 2026. Max Zs values include 100% (BS 7671) and 80% (On-site guide) temperature adjusted values. Select from the list of protective devices (fuse's, MCB's, RCBO's) and device ratings to calculate the maximum permitted Zs value for your selected protective device. Also look up some manufacture BS EN 60947-2 Zs value PDF charts and tables, all printable from within the Max Zs values app. This Maximum Zs Values app contains Zs tables, charts and calculators all relating to the maximum permitted Zs values of BS 7671. FEATURES: - BS 7671 maximum Zs values - Common BS EN MCB's, RCBO's and fuses maximum Zs calculator - BS EN 60947-2 MCCB manufacture device charts / tables (some) - RCD max Zs for TT earthing systems calculator - DNO max Ze (by enquiry) values - Uo 55v and 63.5v Zs values (110v single & three phase) calculator - Ze + R1+R2 = Zs calculator - Zs - Ze = R1+R2 calculator - TN & TT maximum disconnection times chart Pro Certs Software: Trusted by UK electricians since 2011.

What's new

28/07/2026 v3.1.19 - Android 36 update

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