Circuit Breaker and Fuse Sizing Chart
In the world of electrical work, precision and safety are paramount.
Electrics
| Wire Size (mm²) | Current (Amps) | Circuit Breaker (Amps) | Fuse Rating (Amps) |
|---|---|---|---|
| 1.5 | 10 | 10 | 10 |
| 2.5 | 16 | 16 | 16 |
| 4.0 | 20 | 20 | 20 |
| 6.0 | 40 | 40 | 40 |
| 10.0 | 40 | 40 | 40 |
| 16.0 | 63 | 63 | 63 |
| 25.0 | 80 | 80 | 80 |
| 35.0 | 100 | 100 | 100 |
| 50.0 | 125 | 125 | 125 |
This "Circuit Breaker and Fuse Sizing Chart" is designed for electricians, contractors, and DIY enthusiasts involved in household and commercial electrical installations. Proper sizing of circuit breakers and fuses is crucial for protecting electrical circuits from overloads and short circuits, ensuring safety and reliability.
This chart provides guidance on selecting the appropriate circuit breaker and fuse ratings based on the wire size (in square millimeters) and the current carrying capacity of the circuit. The recommended values help ensure that your electrical system operates safely, preventing overheating and potential fire hazards.
The values in this chart are general recommendations and should be adjusted according to specific installation conditions and local electrical codes. For any significant electrical work, it is advisable to consult with a licensed electrician to ensure compliance with all relevant standards and regulations.
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