A simple web-based calculator to help determine the appropriate MCB (Miniature Circuit Breaker) power rating based on your electrical needs.
This application follows the International Standards:
- IEC 60898-1:2013 – for residential and commercial installations
- IEC 60947-2:2015 – for industrial applications
You can:
- Select your preferred standard
- Input voltage and MCB size
- Instantly view the corresponding power rating
- Optionally calculate power for three-phase systems
The tool is designed for electricians, engineers, and learners who need quick, standards-based MCB sizing references.
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Next.js |
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React |
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Tailwind CSS |
Licensed under the MIT License.
Copyright © 2025 Ryuu Mitsuki.