
Max Zs Values 4+
Zs Values 18th Edition BS 7671
Pro Certs Software Ltd
Designed for iPad
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- $4.99
Screenshots
Description
Calculate and look up the maximum permitted Zs value (earth loop impedance) as per 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 MCCB's 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
+ Fuse's
+ MCB's
+ RCBO's
+ RCD's in TT earthing systems
+ Max REC Ze values
+ Ze + R1+R2 = Zs calculator
+ 100% values (BBB)
+ 80% values (OSG)
+ 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)
Check out our collection of electrical apps such as the "Pro Certs" Electrical Testing & Certification App or visit https://www.procertssoftware.com/apps for more info.
What’s New
Version 3.1.4
iOS update & some minor improvements.
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Information
- Seller
- Pro Certs Software Ltd
- Size
- 4.4 MB
- Category
- Reference
- Compatibility
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Requires iOS 11.0 or later. Compatible with iPhone, iPad, and iPod touch.
- Languages
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English
- Age Rating
- 4+
- Copyright
- © 2011-2020 Pro Certs Software Ltd
- Price
- $4.99
Supports
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Family Sharing
With Family Sharing set up, up to six family members can use this app.