Published by Pro Certs Software Ltd
1. 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.
2. Look up the maximum permitted Zs tables for a selection of MCCB manufacture devices (some). + Uo 55v (U 110v) single phase and Uo 63.
3. Calculate and look up the maximum permitted Zs value ( earth loop impedance ) to BS 7671.
4. Max Zs Values also includes the 80% temperature adjusted values and a some MCCB 60947-2 manufacture Zs charts.
5. There is now a new "Zs Converter" to convert old Zs values to the new 18th edition 230v Cmin Zs values.
6. Check out our collection of electrical apps such as the "Pro Certs" Electrical Certification App for iPad.
Check for direct PC Apps or Alternatives (Direct Download)
| App | Download | Rating | Maker |
|---|---|---|---|
 Max Zs Values |
Get App or Alternatives ↓ | 19 Reviews 4.15789 |
Pro Certs Software Ltd |
Can I download Max Zs Values for free?
Yes! You can Download Max Zs Values from official sites for free using our site.
Can I use Max Zs Values on PC?
It is easy to use the Max Zs Values app on PC and it works on Windows and MAC. A free tutorial is available to help you get started.
