Power switch with thermal-magnetic trip unit DPX3 160 3P 16A 25kA 420040

Power switch – reliable protection of electrical installations

This three-pole power switch with DPX3 160 thermal-magnetic trip unit is a key element of every safe and efficient electrical installation. Designed by Legrand, it provides effective protection of circuits against overload and short circuit, and its compact dimensions facilitate mounting in switchboards. It is a device designed for mounting on a TH rail, which further simplifies installation.

Functionality and technical parameters

The DPX3 160 switch is characterized by a rated current of 16A and a short-circuit breaking capacity of 25kA at 400V, which guarantees a quick response in emergency situations. The setting range of the overload trip unit is between 12.8-16A, which allows for precise adjustment to the load characteristics. It has one auxiliary switching contact and one normally open contact, which enables integration with control and signaling systems. The built-in undervoltage release increases the safety of the installation, protecting against the effects of voltage drops.

The device's construction is based on screw connections, providing secure and durable wire connections. The IP30 degree of protection protects against contact and the ingress of solid objects, which is important in industrial and commercial environments. The possibility of using a motor drive (optional) allows for remote control of the switch, which is particularly useful in automated systems.

Advantages for the installer and end user

• Versatility: The DPX3 160 switch finds application in a wide range of electrical installations – from residential buildings to industrial facilities.
• Safety: Provides effective protection against overloads and short circuits, minimizing the risk of damage to equipment and fires.
• Easy installation: The design intended for mounting on a TH rail and screw connections facilitate and speed up installation.
• Configurability: The ability to select accessories (e.g. auxiliary contacts, motor drives) allows you to adapt the switch to specific application needs.
• Durability: High quality workmanship guarantees long-lasting and trouble-free operation of the device.
• Status indication: The trip indicator informs about the operation of the protection, making it easier to diagnose problems in the installation.
• Compliance with standards: Meets the required safety standards, ensuring compliance with applicable regulations.

The DPX3 160 switch is not only a protective element, but also an investment in peace of mind – both for the installer responsible for the correct execution of the installation, and for the end user benefiting from safe power supply.