Compact circuit breaker LS TS400N ATU 400A 4P

Compact circuit breaker LS TS400N ATU 400A 4P – reliable installation protection

The LS TS400N ATU 400A 4P compact circuit breaker is a key safety element in electrical switchboards, designed for both industrial and public utility building applications. It provides effective protection against overloads and short circuits, guaranteeing the safety of the installation and connected devices. Its solid construction and high current parameters make it an ideal choice for demanding applications.

Functionality and application

This four-pole (4P) circuit breaker with a rated current of 400A is designed for mounting on a DIN rail or panel (IP20). Its versatility allows for use in various electrical network configurations. Equipped with an adjustable thermal-magnetic trip unit, it allows for precise adjustment to the specific needs of the installation. The short-circuit extinguishing capacity is as high as 65kA at 690V AC, ensuring a high level of safety in the event of a failure.

Characteristics and benefits

• High short-circuit breaking capacity: 65kA guarantees a quick and effective response in the event of a short circuit, minimizing the risk of equipment damage and fire.
• Adjustable trip unit: The adjustment range of the current trip unit from 320A to 400A allows for precise adaptation to the load characteristics.
• DIN rail mounting: Facilitates and speeds up installation and replacement of the circuit breaker.
• Four-pole design (4P): Provides complete protection for a three-phase circuit with a neutral conductor.
• Wide range of operating voltages: Possibility of use in networks with a maximum voltage of 690V AC.
• Solid construction: Guarantee of long-lasting and reliable operation in difficult operating conditions.
• Expandability: Compatible with a wide range of additional accessories, such as terminal covers and short-circuit alarms, allowing you to adapt the functionality to individual needs.

The LS TS400N ATU 400A 4P circuit breaker is an investment in the safety and reliability of your electrical installation. Its advanced features and solid construction provide protection against failures and minimize the risk of downtime in equipment operation.