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Max Zs Values recommended by Gary

Published: 24 May 2012 Category: News

This App allows you to calculate maximum permitted Zs values (earth loop impedance) as per BS7671, and it also includes temperature adjusted values.

Max Zs Values recommended by Gary

Developer: Pro Certs Software Ltd

Price: £0.70 - £1.99

Platform: iPhone / Android / Windows Phone

Link to download the App:

Click here to download Max Zs Values for iPhone / iPad

Click here to download Max Zs Values for Android

Click here to download Max Zs Values for Windows Phone

Description:

Using the picker wheel select the protective device (fuse's, MCB's, RCBO's) and device rating to calculate the maximum permitted Zs value for your selected device.

Results calculate:

  • BS7671 Amendment 1 2011 values
  • BS EN device's
  • Fuse's
  • MCB's
  • RCBO's
  • 100% values
  • 80% values
  • 0.4 second disconnection times
  • 0.2 second disconnection times
  • 5 second disconnection times

Screenshots: