The Schneider Electric Acti 9 iDT40N MCB is a 3-pole miniature circuit breaker designed for reliable circuit protection in industrial and commercial electrical systems. As part of the Acti 9 series, this device offers robust performance for safeguarding equipment against overcurrents and short circuits. Its C-curve tripping characteristic makes it suitable for applications with moderate inrush currents, such as lighting circuits or motor loads.

Technical details

• Series: Acti 9
• Product Type: Miniature Circuit Breaker (MCB)
• Poles: 3
• Current Rating: 20A
• Tripping Curve: C
• Voltage Class: Typically rated for 400/415V AC, though buyers should verify specific voltage requirements against the manufacturer's datasheet.
• Interrupting Capacity: Buyers should consult the manufacturer's datasheet for specific interrupting capacity (kA) ratings.
• Terminal Type: Screw terminals for secure connections.

Applications & compatibility

This Schneider Electric MCB is commonly deployed in distribution boards and control panels for protecting circuits in building automation, HVAC systems, and light industrial machinery. Its 3-pole configuration is ideal for three-phase power distribution, ensuring all phases are disconnected simultaneously during a fault condition. It is compatible with standard DIN rail mounting systems for easy installation.

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 A9P24720 or contact our technical team for cross-reference assistance with compatible Acti 9 components.