DPX3-I 1600 3P 1250 A circuit breaker 422492

Isolating Switch – Reliable Power Disconnection

This three-pole DPX3-I 1600 isolator with a rated current of 1250 A is a robust solution for safely disconnecting electrical circuits. It is ideal for both industrial installations and commercial buildings where high reliability and high breaking capacity are required. The device’s design enables its use as an emergency switch, main isolator, safety isolator, and maintenance isolator – making it a universal component ensuring full control over the installation.

Functionality and Applications

This isolator is designed for mounting in distribution boards, ensuring easy installation and safe operation. The ability to connect main contacts via screw terminals guarantees secure and durable wiring. The rated operational power for AC-23, 400 V reaches up to 500 kW, making it an ideal choice for high-load circuits. Additionally, optional installation of a motor drive or undervoltage release allows the device to be customized for specific application requirements.

Safety and Technical Specifications

The device features an IP30 protection rating, safeguarding against accidental contact with live parts. The rated conditional short-circuit current (Iq) is 15 kA, while the withstand short-circuit current (Icw) reaches 24 kA – ensuring effective protection of the installation in the event of a short circuit. The locking mechanism enhances safety by preventing accidental switching on or off during operation. Built as a fixed-mounted device, it ensures stability and long-term performance. The rated continuous current for AC-21, 400 V is 1250 A, confirming its high performance in typical industrial applications. The gray color of the operating element facilitates identification and seamless integration with existing infrastructure.