Max Zs Values

Max Zs Values - Calculate the maximum permitted Zs values to BS7671 for iPhone, iPad, Android & Windows Phone 7 at the click of a button, fast and easy!

Calculate the maximum permitted Zs values as per BS7671 at the click of a button, select your device and rating from the list and your result will be displayed, for iPhone, iPad, Android and Windows Phone 7, fast, simple and easy!

Values to BS7671 17th edition

All Zs values are from the latest version of BS7671 17th edition IET wiring regulations, the screenshot shown on the right is from the Android version which also includes BS3871 manufacturer specific values such as Stabloc Federal Electric, Merlin Gerin, Doman Smaith, Square D and Memshield 2 BS EN 60947-2 devices.


Available on Windows Phone

Check out our Windows Phone version of Max Zs values which includes 100% and 80% values on the press of a button and choose from 0.2, 0.4 or 5 seconds disconnection times for all common BS EN MCB’s and BS fuses, click on the image on the left to view in the Windows Phone Marketplace.

5 stars on Windows Phone

Max Zs ValuesWindows Phone5


Available on Android

Check out our Android version of Max Zs values which includes 100% and 80% values on the press of a button and choose from 0.2, 0.4 or 5 seconds disconnection times for all common BSEN MCB’s and BS fuses and manufacturere specific devcies for BS3871 & BS EN 60947-2 Zs values, click on the image on the right to view in Google Play app store.

5 stars on Google Play

Max Zs ValuesGoogle Play5


Available on iPhone & iPad

Check out our iPhone version of Max Zs values which includes 100% and 80% values and 0.2, 0.4 or 5 seconds disconnection times for all common BS EN MCB’s and BS fuses, click on the image on the left to view in itunes.

5 stars on App Store

Max Zs ValuesApp Store5

Reviews

It’s just what I needed, works really well and values meet BS7671 Amd 1.

Sparky101

A first class app, the best one of this type and I have tried them all.

Robogxr

Comment, Request & Bug Report


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