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Thermal derating of RCBO's. Don't get caught out

With a lot of electricians asking questions about Thermal derating at recent trade shows (off the back of this video

@william.winter does a further deep dive into thermal derating factors and the 5 key things to remember to avoid any risks.

Remember guys, if you have any questions about the topic message us on Instagram (verso_electrical) or email us on myinstall(a)

Find our full thermal derating chart on our website


0:00 Intro and Overview

1:06 What are the 5 core principles of Thermal Derating factors of RCDs

1:31 Does ambient temperature affect the tripping time of an RCD?

3:25 How does warmer temperature affect an RCD?

4:30 What affect can conductive heat have on an RCBO?

6:17 How do RCDs react to colder temperatures?

7:50 What RCDs do you find in domestic installs that will be affected by thermal derating? 8:45 What is a Thermal Derating Chart 11:05 Video review and summary

12:41 Outro

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