Zs Calc instantly calculates max Zs values for a wide range of over-current devices. Zs Calc needs no interent connection and gives you instant results every time no matter where you are. Zs Calc also gives you short capacities of over current devices and sharing options all with a clean simple to use interface

Features:

- 0.2, 0.4, and 5s disconnection times

- Adjusted & 100% values

- Copy & share your results to pasteboard for importing results to apps like iCertifi electrical certificates

- Email results

- Warns you if selection is not appropriate for type or disconnection time

- Short circuit capacities of over current devices

Overcurrent devices include:

1361
1362
3036
88
3871-1
3871-2
3871-3
3871-4
3871-B
3871-C
3871-D
6029
60898-1
60898-2
60898-3
60898-4
60898-B
60898-C
60898-D
61009-1
61009-2
61009-3
61009-4
61009-B
61009-C
61009-D
3871-4 (Federal)
3871-D (Federal)