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Thanks for a great video. I was just wondering if I need to install additional overloads for the motor and another over current device (fuses) after the RCBO downstream?
Thank you. RCBOs already provide combined overcurrent protection (overload and short-circuit) and earth fault protection. If properly rated for your motor's full-load current, the RCBO may sufficient. Motors typically require thermal overload protection to prevent overheating due to sustained overload conditions. If your motor controller (e.g., star-delta starter) includes a built-in overload relay, it may already protect the motor. This relay should be set to 1.1 times the full-load current. If the overload relay is missing or insufficient, you should add one.
Hi I have a home theater and i have a indivual breakers ..1 rcd and 1 surge protection devices ..all dedicated just for the home theater..i want to remove as less interference and noise and have clean power as possible so i was wondering if i should get a seperate isolator as well ? Will that potentially stop any interference and noise etc coming and produce clean power?
If your main concern is common-mode noise or ground loops, then yes, an isolation transformer could help reduce interference. However, if you're looking for a broader solution for cleaner power, combining it with a power conditioner or UPS system designed for AV equipment would be more effective. So, while an isolator could help, it might not be sufficient by itself to give you the completely clean power you’re aiming for. A combination of power conditioning, isolation, and proper grounding will provide the best results for interference-free and clean power. Common-mode noise: Noise that appears equally on all power lines (line, neutral, and ground) can be filtered by an isolation transformer, preventing it from entering your sensitive equipment. Ground loop issues: If your home theater system suffers from ground loops (causing humming noises or interference), an isolation transformer could help break the loop and reduce or eliminate the noise.
🔔Help Electro Academy grow! 🔔
Your support can make a big difference! 😍
If you appreciate the efforts behind these educational videos, please subscribe - it’s free and just a click away.!🙏🏽
Additionally, if you can contribute, you can become a patron and support our mission of sharing knowledge with students and professionals around the world: patreon.com/ElectroAcademy 🙌
I am deeply grateful to our first sponsor! Your kind gestures motivate us to continue creating quality content. Let’s build this community together.!🏆
THANKS .!
- Sudarshan, Creator of Electro Academy
Thanks for a great video. I was just wondering if I need to install additional overloads for the motor and another over current device (fuses) after the RCBO downstream?
Thank you.
RCBOs already provide combined overcurrent protection (overload and short-circuit) and earth fault protection.
If properly rated for your motor's full-load current, the RCBO may sufficient.
Motors typically require thermal overload protection to prevent overheating due to sustained overload conditions.
If your motor controller (e.g., star-delta starter) includes a built-in overload relay, it may already protect the motor.
This relay should be set to 1.1 times the full-load current.
If the overload relay is missing or insufficient, you should add one.
@@ElectroAcademyEA
I appreciate the thorough explanation. Thank you again.
Hi
I have a home theater and i have a indivual breakers ..1 rcd and 1 surge protection devices ..all dedicated just for the home theater..i want to remove as less interference and noise and have clean power as possible so i was wondering if i should get a seperate isolator as well ? Will that potentially stop any interference and noise etc coming and produce clean power?
If your main concern is common-mode noise or ground loops, then yes, an isolation transformer could help reduce interference. However, if you're looking for a broader solution for cleaner power, combining it with a power conditioner or UPS system designed for AV equipment would be more effective.
So, while an isolator could help, it might not be sufficient by itself to give you the completely clean power you’re aiming for. A combination of power conditioning, isolation, and proper grounding will provide the best results for interference-free and clean power.
Common-mode noise: Noise that appears equally on all power lines (line, neutral, and ground) can be filtered by an isolation transformer, preventing it from entering your sensitive equipment.
Ground loop issues: If your home theater system suffers from ground loops (causing humming noises or interference), an isolation transformer could help break the loop and reduce or eliminate the noise.
❤
Thank you