DPX3 circuit breaker 250 HP 3P 250 A 70 kA 423132

DPX3 250 Circuit Breaker – Reliable Protection for Electrical Installations

This three-pole DPX3 250 A circuit breaker is a robust solution for protecting high-load electrical circuits. With a rated continuous current of 250 A and a high short-circuit breaking capacity of 70 kA at 400 V, it ensures effective protection against overloads and short circuits—critical for ensuring safety and power continuity in demanding industrial and commercial applications.

Design and Application

The DPX3 250 breaker features a fixed-mount design, ensuring stability and reliable operation. It is designed for mounting on TH35 rail or panels in XL…3 cabinets and enclosures. Thanks to its compatibility with conductors up to 150 mm², it is suitable for a wide range of installations. It includes two reversible auxiliary contacts, expanding its functionality and enabling integration with control and signaling systems.

Benefits for Installer and User

• High short-circuit breaking capacity (70 kA): Ensures rapid response and minimizes damage risk during short circuits—essential for protecting valuable equipment and ensuring safety.
• Adjustable trip settings: Precise adjustment of the overload trip (200-250 A) and short-circuit trip (1250-2500 A) allows optimization of protection to specific installation requirements.
• Flexible mounting: Compatibility with TH35 rail or panel mounting provides installation flexibility across various configurations.
• Trip indicator: Quick visual identification of the breaker’s status simplifies diagnostics and accelerates repair after faults.
• Expandability: Compatibility with DPX3 auxiliary accessories enables customization of functionality to meet specific application needs.
• Robust connections: Bolted connections ensure secure and durable main conductor connections, minimizing the risk of loosening during operation.
• Compliance with standards: Meets requirements of IEC 60947-2, guaranteeing safety and reliable performance.
• Wide voltage range compatibility: Supports rated voltages from 230 V to 690 V, making it a universal solution for diverse electrical installations.
• IP30 protection rating: Protects against accidental contact and ingress of solid objects larger than 2.5 mm—essential for safe operation.