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Version
3.1.2
Size
9.79 Mb
Updated
9 months ago
Released
12 Feb 2012
Screenshots
Description
Calculate and look up the maximum permitted Zs value ( earth loop impedance ) to BS 7671. Max Zs Values also includes the 80% temperature adjusted values and a some MCCB 60947-2 manufacture Zs charts.
- 100% BS 7671 Zs Values
- 80% On Site Guide Zs Values
- Printable 60947-2 MCCB Zs Tables
- 0.4 (s) second disconnection times
- 0.2 (s) second disconnection times
- 5 (s) second disconnection times
> Common BS EN Devices:
Scroll through the list of protective devices and select the device rating to calculate the maximum permitted Zs value for your selected protective device and rating combination.
> 60947-2 MCCBs Zs Tables:
Look up the maximum permitted Zs tables for a selection of MCCB manufacture devices (some).
Maximum Zs Features:
+ Maximum Disconnection Times
+ BS 7671 18th Edition Zs Tables
+ Fuses
+ MCBs
+ RCBOs
+ RCDs in TT earthing systems
+ Max REC Ze values
+ 100% values
+ 80% values
+ 0.4 second disconnection times
+ 0.2 second disconnection times
+ 5 second disconnection times
+ Uo 55v (U 110v) single phase and Uo 63.5v (three
phase) Zs values
+ BS EN 60947-2 MCCB manufacture device charts
(some)
There is now a new "Zs Converter" to convert old Zs values to the new 18th edition 230v Cmin Zs values.
A maximum Zs calculator for iPhone and iPad.
Check out our collection of electrical apps such as the "Pro Certs" Electrical Certification App for iPad.
Estimates
Availability
Devices
iPhone3GS
iPhone4
iPodTouchFourthGen
iPad2Wifi
iPad23G
iPhone4S
iPadThirdGen
iPadThirdGen4G
iPhone5
iPodTouchFifthGen
iPadFourthGen
iPadFourthGen4G
iPadMini
iPadMini4G
iPhone5c
iPhone5s
iPadAir
iPadAirCellular
iPadMiniRetina
iPadMiniRetinaCellular
iPhone6
iPhone6Plus
iPadAir2
iPadAir2Cellular
iPadMini3
iPadMini3Cellular
iPodTouchSixthGen
iPhone6s
iPhone6sPlus
iPadMini4
iPadMini4Cellular
iPadPro
iPadProCellular
iPadPro97
iPadPro97Cellular
iPhoneSE
iPhone7
iPhone7Plus
iPad611
iPad612
iPad71
iPad72
iPad73
iPad74
iPhone8
iPhone8Plus
iPhoneX
iPad75
iPad76
iPhoneXS
iPhoneXSMax
iPhoneXR
iPad812
iPad834
iPad856
iPad878
iPadMini5
iPadMini5Cellular
iPadAir3
iPadAir3Cellular
iPodTouchSeventhGen
iPhone11
iPhone11Pro
iPadSeventhGen
iPadSeventhGenCellular
iPhone11ProMax
iPhoneSESecondGen
iPadProSecondGen
iPadProSecondGenCellular
iPadProFourthGen
iPadProFourthGenCellular
Pricing by country
| Country | Price |
|---|---|
| Canada | 12.99 CAD |
| China | 68 CNY |
| France | 9.99 EUR |
| Germany | 9.99 EUR |
| Italy | 9.99 EUR |
| Netherlands | 9.99 EUR |
| Portugal | 9.99 EUR |
| Spain | 9.99 EUR |
| Poland | 2.29 EUR |
| UK | 9.99 GBP |
| India | 999 INR |
| Japan | 1500 JPY |
| Korea, Republic Of | 14000 KRW |
| Poland | 49.99 PLN |
| Russia | 899 RUB |
| Turkey | 449.99 TRY |
| USA | 9.99 USD |
| Korea, Republic Of | 2.19 USD |
| Ukraine | 11.99 USD |
