Compact circuit breaker LS TS400N ATU 400A 3P

Compact circuit breakers LS TS400N – reliable protection for your installation

The LS TS400N ATU 400A 3P compact circuit breaker is a key protective element in any electrical installation. Designed for both industrial and public building applications, it provides effective protection against overloads and short circuits. Its robust construction and high current parameters guarantee long-lasting and trouble-free operation. This three-phase circuit breaker, with a rated current of 400A, is ideal for protecting circuits with higher power demand.

Construction and operating parameters

The TS400N ATU 400A 3P circuit breaker is distinguished by its compact dimensions, which facilitate mounting in switchboards. Mounting is done on a DIN rail or directly on the panel. Its housing made of high-quality materials provides resistance to mechanical damage and environmental conditions. This circuit breaker is designed to operate in networks with a maximum voltage of 690V AC, and its short-circuit breaking capacity (Icu) is as high as 65kA, guaranteeing a quick and safe response in the event of a failure. The use of ATU characteristic allows for protection of the installation against the effects of sudden current surges, while minimizing the risk of unnecessary tripping of the circuit.

Application and benefits for the installer and end user

This model of circuit breaker finds wide application in various areas:

• Protection of main power lines: Ideal as a main switch in electrical switchboards.
• Motor and device protection: Effectively protects electric motors and other high-power devices against overloads and short circuits.
• Industrial installations: Performs perfectly in demanding industrial conditions, providing reliable protection for critical circuits.
• Public buildings: Ensures safety in facilities such as schools, hospitals and office buildings.

For the installer this means easy installation, reliable operation and compliance with applicable standards. For the end user – peace of mind resulting from knowing about the effective protection of their electrical installation and connected devices. High quality workmanship translates into a long service life of the circuit breaker, minimizing costs associated with its replacement. Additionally, the ability to work with various accessories expands the functionality of the device and adapts it to individual user needs.