Max Zs Values (pre-2015) 1.6

1.99 MB
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Publisher Description

Pre-amendment 3 version for looking up old Zs values for older installations, useful for checking if the installation complied with the max Zs values at the time of installation for installations designed before 2015. Old BS 7671 values.
Maximum Zs Values
Calculates maximum permitted Zs values for BS and BS EN devices, MCB's, RCBO's, Fuses and Manufacturer Specific Device values, specific values for RCD's in TT earthing systems, LV, REC Ze values....100% and 80% temperature adjusted values. (Pre-amendment 3)
+ BS EN Devices Zs values Calculator
+ Manufacturer specific device Zs values
+ REC Ze values
+ Calculate Zs values from known la ratings
+ Max Zs values for RCD's for TT earthing systems
+ 55 Volts single phase Zs values calculator
+ 63.5 Volts three phase Zs values calculator
+ RCD/RCBO Zs values calculator
+ BS fuses Zs values
+ 100% values
+ Temperature adjusted values
+ Zs values for 230v
Remember to check out our full suite of electrical apps such as Cable Calc, Max Zs Values, Ohms Law, PFC Calculator, Watts Amps Volts Calculator, Adiabatic Equation, Electrical Tools & Reference, Earthing & Bonding...

Max Zs Values (pre-2015) is a free software application from the PIMS & Calendars subcategory, part of the Business category. The app is currently available in English and it was last updated on 2015-10-30. The program can be installed on Android.

Max Zs Values (pre-2015) (version 1.6) has a file size of 1.99 MB and is available for download from our website. Just click the green Download button above to start. Until now the program was downloaded 15 times. We already checked that the download link to be safe, however for your own protection we recommend that you scan the downloaded software with your antivirus.

Program Details


Publisher Pro Certs Software Ltd
Released Date 2015-10-30
Languages English


Category Business
Subcategory PIMS & Calendars

System requirements

Operating systems android

Download information

File size 1.99 MB
Total downloads 15


License model Free
Price N/A

Version History

Here you can find the changelog of Max Zs Values (pre-2015) since it was posted on our website on 2016-10-18. The latest version is 1.6 and it was updated on on 2018-03-21. See below the changes in each version:

version 1.6

posted on 2015-10-30

1.0 - First release,1.1 - More manufacturer specific devices added,1.2 - UI updated,1.3 - Screen size adjustment to support Orange Stockholm,1.4 - UI updated + support for all screen sizes,1.5 - Landscape and Portrait Orientations,1.6 - App is now free for this pre-2015 old Zs values version.

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Downloads last week: 0
Release Date: 2015-10-30
Publisher: Pro Certs Software Ltd
Operating System: android
Type: Free