Compact circuit breaker LS TS400N ATU 300A 4P

Compact circuit breaker LS TS400N ATU 300A 4P is a reliable safety element for electrical installations and devices. Designed for both professional and domestic applications, it provides effective protection against overloads and short circuits. The construction based on proven LS Electric technology guarantees high quality and long-term operation.

This four-pole circuit breaker with a rated current of 300A is an ideal solution for circuits requiring high resistance to inrush currents, e.g. during motor starting. The ATU characteristic (Adjustable Thermal Undercurrent) allows precise adjustment of the thermal release parameters to the specifics of the load, minimizing the risk of unnecessary tripping. The use of advanced technologies ensures not only safety but also optimal operation of the electrical installation.

Features and application

The TS400N ATU 300A 4P circuit breaker finds application in a wide range of electrical installations – from commercial and industrial buildings to residential facilities with increased energy requirements. Its solid construction and high short-circuit strength (65kA at 460V) make it an indispensable element in energy distribution systems. The ability to cooperate with various additional accessories (e.g. auxiliary contacts, electromagnetic coils) allows expanding the functionality of the circuit breaker and adapting it to individual user needs.

• Versatility: Suitable for protecting various types of circuits, including those powering motors and high-power devices.
• Safety: Provides effective protection against overloads and short circuits, minimizing the risk of equipment damage and fires.
• Durability: Made of high-quality materials, guarantees long-lasting and trouble-free operation.
• Flexibility: The possibility of mounting additional accessories allows adapting the circuit breaker to specific installation requirements.
• DC Compatibility: Possibility of use in direct current circuits (SOLAR version).

LS Electric TS series circuit breakers are a proven choice for professionals – installers and designers of electrical systems who value reliability and safety. Thanks to easy installation and intuitive operation, this circuit breaker is an optimal solution for both experienced specialists and people performing electrical work independently.