• Max Zs Values (pre-2015) 1
  • Max Zs Values (pre-2015) 2
  • Max Zs Values (pre-2015) 3
  • Max Zs Values (pre-2015) 4

Max Zs Values (pre-2015)

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)

Includes:

+ 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...

http://www.procertssoftware.com

Category : Productivity

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Reviews (13)

Dan. B. Jan 17, 2016     

Now out of date as we paid for the this u shud update figures to incorporate amendment 3

Pau. J. Jul 6, 2015     

I have tried a few values and the main issue is the values are out of date. BS7671 amd3 2015. Is now current.

chr. b. Feb 22, 2015     

Great app, well layed out and easy to use although needs updating now to bring into line with amendment 3 of bs7671

Pau. E. Jul 19, 2015     

Was great but now out of date as the values have changed with the recent amendment 3 of the regulations.

Stu. R. Feb 23, 2015     

This needs updating to amendment 3. Good app all the same.

nic. k. Aug 20, 2015     

Needs updating or it is useless

A. G. u. Sep 30, 2015     

Good app but needs updating

pyr. Sep 2, 2014     

Handy and very useful

Gya. K. Jan 21, 2014     

Very usefull app

A. G. u. May 14, 2012     

I have been using this app at work and it's proved useful. Keep the apps coming, adiabatic calc would be useful and eventually a suite of apps. Well done

A. G. u. Oct 12, 2012     

Really good app use it nearly every day when I'm filling in test sheets

A. G. u. May 14, 2012     

Support is second to none :)

A. G. u. Apr 20, 2012     

Great app easy to use and less heavy than a book.