DPX3 125 HP 4P 40 A 50 kA circuit breaker 423654

Reliable Protection for Electrical Installations – DPX3 125 HP Circuit Breaker

The DPX3 125 HP is a four-pole (4P) thermal-magnetic circuit breaker with a rated current of 40A, designed to protect electrical circuits in residential and commercial buildings. It features a high short-circuit breaking capacity of up to 50kA at 400V, ensuring rapid and effective response during faults and minimizing the risk of damage. The device’s robust construction guarantees long-term durability and reliable operation, while its DIN-rail mounting enables seamless integration into existing electrical infrastructure.

Functionality and Safety in One Device

This breaker is not only a protective component but also a user-friendly tool for electricians. The adjustable thermal trip range (32–40A) and magnetic trip range (320–480A) allow precise tuning to match the specific characteristics of the protected circuit. A built-in trip indicator facilitates quick identification of the device’s status and easy fault localization. The breaker includes one changeover auxiliary contact, which can be used for status signaling or remote control applications.

Design and Installation – Enhanced Comfort for Electricians

The DPX3 125 HP features a rigid, fixed-mount design that ensures stability and safe operation. Main terminal connections are made via screw terminals, guaranteeing secure and durable wiring. The device is rated for operation across a wide voltage range (220–690V) and frequency range (50–60Hz), making it a versatile solution for diverse applications. With an IP30 protection rating, it safeguards against accidental contact and ingress of solid objects. Connected conductors can range from 2.5 mm² to 50 mm², accommodating both flexible and rigid cables.