Different sizes of the miniature circuit breakers
Miniature circuit breakers (MCBs) come in a variety of sizes, which are typically measured in terms of their current rating and voltage rating. Here are some common sizes of MCBs:
Current Rating:
- Small: 1-10 amps (e.g., 1A, 2A, 5A, 10A)
- Medium: 10-30 amps (e.g., 15A, 20A, 25A, 30A)
- Large: 30-63 amps (e.g., 30A, 40A, 50A, 63A)
- Extra Large: 63-125 amps (e.g., 63A, 80A, 100A, 125A)
Voltage Rating:
- Low Voltage: 12V, 24V, 48V (e.g., for automotive or marine applications)
- Medium Voltage: 120V, 240V (e.g., for residential or commercial applications)
- High Voltage: 277V, 480V (e.g., for industrial or commercial applications)
Physical Size:
- Standard: 22mm wide, 50mm deep (e.g., for standard electrical panels)
- Compact: 15mm wide, 30mm deep (e.g., for smaller electrical panels or enclosures)
- Mini: 10mm wide, 20mm deep (e.g., for very small electrical panels or enclosures)
Some common MCB sizes include:
- 1A, 12V (small, low voltage)
- 20A, 120V (medium, medium voltage)
- 63A, 240V (large, medium voltage)
- 125A, 480V (extra large, high voltage)
Keep in mind that these are general guidelines, and the specific size of an MCB may vary depending on the manufacturer and the application. It's always important to check the specifications of the MCB you are using to ensure it is suitable for your particular needs.