The Schneider Electric Acti9 iC40 miniature circuit-breaker, model A9P42720, is a 3-pole + neutral device designed for robust circuit protection in industrial environments. This unit features a 20A current rating and a B curve tripping characteristic, suitable for applications requiring protection against overloads and short circuits with a specific tripping sensitivity. Its 4500A/6kA breaking capacity ensures reliable interruption of fault currents.

Technical details

• Series: Acti9 iC40
• Configuration: 3-Pole + Neutral (3P+N)
• Current Rating: 20 Amperes (A)
• Tripping Curve: B Curve
• Breaking Capacity: 4500 Amperes (A) at 230/400V, 6 kiloamperes (kA) at 230/400V
• Voltage Rating: Typically 230/400V AC (verify with manufacturer datasheet for specific application voltage)
• Frequency: 50/60 Hz (verify with manufacturer datasheet)
• Terminal Type: Screw terminals (verify with manufacturer datasheet)

Applications & compatibility

This circuit-breaker is commonly employed in electrical distribution panels for commercial and industrial facilities, providing essential protection for lighting circuits, socket outlets, and control circuits. It is compatible with standard Acti9 distribution boards and busbar systems, ensuring straightforward integration into existing electrical infrastructure.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the A9P42720 or contact our technical team for cross-reference assistance with compatible Acti9 components.