Look up the maximum Zs earth fault loop impedance values for circuit breakers, MCB's, MCCB's and fuses

- MCB's
- MCCB's
- Rewire-able fuse wire (semi-enclosed fuses)
- HBC Fuses
- HRC BS 88 Fuses
- 100% and 80% temperature adjusted values
- Includes disconnection times for 0.2s, 0.4s and 5 seconds
- Various manufacturer specific MCCB Zs charts
- RCD's in TT earthing systems max Zs calculator
- REC (DNO) maximum Ze values
- Uo of 55v and Uo of 63.5v max Zs values
- BS 7671 Amendment 3 2015 Zs values

Remember to check out our full suite of electrical apps such as Cable Calc, Max Zs Values, kVA Calculator, Ohms Law, PFC Calculator, Watts Amps Volts Calculator, Adiabatic Equation, Electrical Tools & Reference, Earthing & Bonding...

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What's New

V.10. BS 7671 Amendment 3 2015
V.20. Fixed share link.
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Additional Information

Eligible for Family Library
Eligible if bought after 7/2/2016. Learn More
Updated
October 30, 2015
Size
9.2M
Installs
500+
Current Version
2.0
Requires Android
4.0 and up
Content Rating
Everyone
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Pro Certs Software Ltd
Developer
Milton Keynes MK15 0DU United Kingdom
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