This webinar is the first in a two-part series presented by Steve Young.

This webinar covers:
-Meaning of selectivity and expected outcomes
-The basics of circuit breaker selectivity
-Defines types of faults and expected fault behaviours
-Discusses Prospective fault current s and how they are derived
-Defines the requirements and definitions according to AS/NZS3000:2018 and AS/NZS60947-2:2015

0:00 Introduction
0:28 Welcome to our Live Webinar
1:11 What is Selectivity?
3:11 Why Selectivity?
5:41 Prospective Fault Current Determination
7:59 Define and electrical fault
8:22 Types of Faults
11:03 AS/NZS 60947-2
15:10 Cascade / Back up Protection
16:07 Enhanced Selectivity
16:57 Characteristic Curves
18:27 DIN Breaker "Curve" Designations
20:54 AS/NZS 3000 : 2018
24:00 Nominated Installation Performance
24:56 In Summary
26:46 Selectivity # 1/4 Under no circumstances shall NHP be responsible or liable in any way for any content, including but not limited to errors or omissions in the content, or for any loss or damage of any kind as a result of any content communicated in this video by NHP.

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