MCB 1P ABB 20A

ABB 20A MCB Specifications

✅ Brand:

• ABB

✅ Product Type:

• Miniature Circuit Breaker (MCB)

✅ Rated Current (In):

• 20 Amperes

✅ Poles Available:

• 1P, 2P, 3P, 4P
  (1-pole is most common for single-phase use)

✅ Rated Voltage (Un):

• 230/400V AC
  (230V for single-phase, 400V for three-phase systems)

✅ Breaking Capacity:

• 6 kA or 10 kA
  (depending on the series and region)

✅ Tripping Curve Types:

• B Curve – trips at 3–5 × In (for resistive loads like lighting)

• C Curve – trips at 5–10 × In (for inductive loads like motors)

• D Curve – trips at 10–20 × In (for high inrush current applications)

✅ Frequency:

• 50/60 Hz

✅ Standard Compliance:

• IEC/EN 60898-1

• IEC/EN 60947-2

✅ Mounting:

• DIN Rail (35 mm standard)

✅ Terminal Capacity:

• Up to 25 mm² (solid or stranded wire)

• Dual terminal top and bottom for busbar and cable

✅ Operating Temperature Range:

• -25°C to +55°C

✅ Degree of Protection:

• IP20 (protected against touch and small objects)

✅ Functionality:

• Overload protection

• Short-circuit protection

• Manual switching capability

✅ Applications:

• Commercial distribution panels

• Light industrial systems

• HVAC and small machinery protection

• Electrical distribution in homes and office