DPX3 circuit breaker 250 HP 4P 250 A 100 kA 423177

DPX3 250 HP Circuit Breaker – Reliable Protection for High-Load Circuits

The DPX3 250 HP is a four-pole thermal-magnetic circuit breaker designed to protect electrical installations against overloads and short circuits. It features an exceptional short-circuit breaking capacity of up to 100 kA at 400 V, making it an ideal solution for demanding industrial and commercial applications. Rated for nominal voltages ranging from 230 V to 690 V, it offers versatile compatibility across a wide range of electrical systems.

Design and Functionality

This breaker is designed for fixed mounting, ensuring stability and reliable operation. It includes an adjustable thermal overload trip setting from 200 A to 250 A, allowing precise calibration to match load characteristics. The magnetic short-circuit trip is adjustable between 1250 A and 2500 A, ensuring rapid response during fault conditions. The absence of integrated earth-fault protection allows flexible adaptation to specific installation requirements—this protection can be added via supplementary devices.

The breaker is equipped with a visual trip indicator for easy status identification and supports optional motorized operation for remote control. Main terminal connections are made via bolted connections, ensuring secure and durable wiring.

Applications and Benefits

The DPX3 250 HP is a robust choice for professional electricians and end-users seeking dependable electrical protection.

• High short-circuit breaking capacity (100 kA): Ensures effective protection even under extreme fault currents.
• Adjustable thermal overload trip (200–250 A): Enables precise tuning to load profiles, minimizing nuisance tripping.
• Wide nominal voltage range (230–690 V): Provides universal application across diverse electrical systems.
• Robust construction: Guarantees long-term, reliable performance.
• Optional motorized operation: Expands functionality with remote control capability.
• IP30 protection rating: Protects against access to live parts and environmental influences.
• Compliance with international standards: Ensures safe operation and regulatory conformity.

The DPX3 250 HP is an investment in safety and reliability—perfect for commercial buildings, industrial facilities, and other installations requiring high-performance electrical protection.