Power circuit breaker with thermal-magnetic trip unit DPX3 250 4P 100A 25kA 420215

Reliable protection of electrical installations – DPX3 250 circuit breaker

This four-pole DPX3 250 power circuit breaker with a thermal-magnetic trip unit, rated current of 100A and breaking capacity of 25kA, guarantees safety and reliability in your installation. Designed for both domestic and commercial applications, it provides effective protection against overloads and short circuits. The DPX3 series circuit breakers are characterized by high quality workmanship and durability, which translates into a long service life and minimizes the risk of failure.

Functionality and installation

The circuit breaker is designed for mounting on a TH rail, which facilitates its installation and replacement. The solid construction ensures stability and secure connections. The location of the main circuit connections on the front side simplifies the connection of wires. Additionally, the presence of a trip indicator allows for quick identification of the device status. The circuit breaker is equipped with an integrated undervoltage release, which increases its range of functionality. The possibility of using an optional motor drive expands remote control capabilities.

Operating characteristics and application

The adjustable thermal-magnetic trip unit (80-100A for overloads and 500-1000A for short circuits) allows for precise adjustment to the specifics of the protected installation. Characteristic C means that the circuit breaker reacts with a delay to short-term current surges, which is particularly important when starting devices with electric motors – unnecessary disconnection due to inrush current does not occur. The rated continuous current of 100A ensures stable operation even under heavy load. The circuit breaker has one changeover auxiliary contact and two normally open auxiliary contacts, which allows integration with control and signaling systems. Protection class IP30 guarantees protection against contact and ingress of solid objects.