Schneider Electric Acti9 iDT40K XA Miniature Circuit Breaker 3+N-Pole, 40A, Type C, 230V AC, 4500A Breaking Capacity A9PK1740

Schneider Electric A9PK1740 is a high-performance Acti9 iDT40K XA Miniature Circuit Breaker designed for protection of electrical circuits in industrial, commercial, and residential installations. It features a 3+N-pole configuration with a current rating of 40A and Type C tripping characteristics, making it suitable for standard inductive loads.

The device supports 230V AC rated voltage and has a robust breaking capacity of 4500 amperes to safely interrupt fault currents. Its thermal magnetic tripping mechanism ensures quick response to both overloads and short circuit conditions, thereby safeguarding electrical infrastructure and connected devices.

Compact in size, the circuit breaker measures 85mm in height, 54mm in width, and 74mm in depth, facilitating easy integration into electrical panels via its DIN rail clip-on mount. The toggle switch actuator provides a sturdy and clear ON/OFF switch with visible trip indication. It carries an IP20 rating ensuring protection against solid objects larger than 12 mm.

Compliance with EN/IEC 60947-2 and EN/IEC 60898-1 standards guarantees reliability and adherence to international safety norms. The unit tolerates environmental conditions with operating temperatures ranging from minus 25 to 70 degrees Celsius and relative humidity up to 95% at 55 degrees Celsius, suitable for diverse climates.

The breaker’s padlockable feature adds an additional safety layer by allowing it to be locked in the OFF position for maintenance or isolation purposes. This Schneider Electric Acti9 series unit, made in Hungary, embodies both dependable electrical protection and trusted industrial quality.

Compact dimensions with precise mounting specifications. Thermal magnetic tripping for swift circuit interruption. Clear toggle switch for manual operation and trip indication. High 4500A breaking capacity for robust fault protection.

Clip-on DIN rail mount eases installation processes. IP20 rated ingress protection ensures safety from solid foreign objects. Compliance with international electrical standards for assured performance. Wide operating temperature spectrum and humidity tolerance.

Padlockable actuator enhances user safety and maintenance protocols. Manufactured under stringent quality controls in Hungary.

Ideal for applications in industrial automation, residential power distribution boards, commercial electrical panels, and HVAC system protections, this Miniature Circuit Breaker supports efficient current control and safety. For more Schneider Electric products and detailed specifications, explore the Electronics & Electricals category on EnvMart.