An Air Circuit Breaker (ACB) is a high-capacity electrical protection device designed to safeguard electrical circuits from overloads, short circuits, and earth faults. It operates in the air as an arc extinguishing medium and is commonly used in industrial and commercial power distribution systems.
| Feature | Details |
|---|---|
| Current Rating | Available from 400A to 6300A |
| Voltage Rating | Up to 690V AC |
| Breaking Capacity | Typically rated from 25kA to 100kA |
| Tripping Mechanism | Electronic, Thermal, and Magnetic protection |
| Operating Mode | Manual, Motorized, or Automatic |
| Pole Configuration | Available in 3P and 4P |
| Protection Features | Overload, Short Circuit, Earth Fault, and Under-voltage protection |
| Compliance Standards | Conforms to IEC 60947-2, IS 13947-2, and EN 60947-2 |
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