DPX3 circuit breaker 250 HP 4P 250 A 50 kA 423087
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TECHNICAL DATA
Sales unit dimensions and weight: 1 pcs
DPX3 circuit breaker 250 HP 4P 250 A 50 kA 423087
DPX3 250 HP Circuit Breaker – Reliable Circuit Protection
The DPX3 250 HP is a four-pole device designed to protect high-load electrical installations. With a rated continuous current of 250A and a high short-circuit breaking capacity of 50kA, it ensures effective protection against overloads and short circuits. This robust solution is ideal for both installers and end-users who prioritize safety and reliability.
Design and Application
This breaker is suitable for commercial buildings, industrial facilities, and installations requiring high resistance to impulse currents. The HP (High Performance) characteristic makes it particularly recommended for circuits powering equipment with high inrush currents, such as electric motors or transformers. Front-mounted main circuit terminals simplify installation and wiring. The bolted connection ensures a secure and durable electrical connection.
Advantages and Benefits
- High short-circuit breaking capacity: 50kA at 400V ensures rapid response and minimizes damage risk during short-circuit events.
- Wide adjustment range: Adjustable thermal overload trip setting from 200–250A allows precise matching to load characteristics.
- Robust construction: Fixed-mount design made from high-quality materials ensures long-term, maintenance-free operation.
- Trip indication: Visual indicator shows when the breaker has tripped, facilitating quick fault identification and power restoration.
- Expandability: Optional motorized drive enables remote control of the breaker.
- Overload and short-circuit protection: Provides comprehensive protection against overloads and short circuits — standard for breakers in this class.
- IP30 protection rating: Offers basic protection against accidental contact and ingress of solid objects.
The DPX3 HP breakers are a proven choice for professionals seeking reliable solutions for electrical installation protection. Their robust construction and high technical specifications guarantee safe and efficient operation over an extended service life.

