Sizes of circuit breaker enclosure

Circuit breaker enclosures come in a variety of sizes to accommodate different types and numbers of circuit breakers. Here are some common sizes:

  1. Miniature Circuit Breakers (MCBs):
    • Small: 1-2 poles, 10-20 A, 30-60 mm wide
    • Medium: 2-4 poles, 20-40 A, 60-100 mm wide
    • Large: 4-6 poles, 40-80 A, 100-150 mm wide
  2. Molded Case Circuit Breakers (MCCBs):
    • Small: 1-2 poles, 10-50 A, 100-150 mm wide
    • Medium: 2-4 poles, 50-100 A, 150-200 mm wide
    • Large: 4-6 poles, 100-200 A, 200-250 mm wide
    • Extra Large: 6-8 poles, 200-400 A, 250-300 mm wide
  3. Air Circuit Breakers (ACBs):
    • Small: 1-2 poles, 10-50 A, 150-200 mm wide
    • Medium: 2-4 poles, 50-100 A, 200-250 mm wide
    • Large: 4-6 poles, 100-200 A, 250-300 mm wide
    • Extra Large: 6-8 poles, 200-400 A, 300-350 mm wide
  4. High-Voltage Circuit Breakers (HVCBs):
    • Small: 1-2 poles, 50-100 A, 200-250 mm wide
    • Medium: 2-4 poles, 100-200 A, 250-300 mm wide
    • Large: 4-6 poles, 200-400 A, 300-350 mm wide
    • Extra Large: 6-8 poles, 400-600 A, 350-400 mm wide

Please note that these sizes are approximate and can vary depending on the manufacturer and specific product. It's always best to check the specifications of the circuit breaker enclosure you're interested in to ensure it meets your needs.