Max Zs ValuesBy Pro Certs Software Ltd ( 1,52 € )
Zs values Pro for electricians and electrical inspectors / testers.Calculates maximum permitted Zs values to BS 7671 17th edition 2008 (2011) Amd.1 for BS EN devices, MCB`s, RCBO`s, Fuses and Manufacturer Specific Device values, specific ...