Compact circuit breaker LS TS400NA DSU 400A 3P

Compact circuit breaker LS TS400NA – reliable installation protection

The LS TS400NA DSU 400A 3P compact circuit breaker is a solid and efficient device designed to protect electrical circuits with a rated current of 400A. The insulated housing design, combined with advanced technology, ensures reliable operation and long service life. This is an ideal solution for both demanding industrial installations and public utility facilities.

Functionality and application

This circuit breaker is widely used in power distribution systems, providing effective protection against overloads and short circuits. Its versatility allows it to be used in various configurations, both as a main and local protection element. Thanks to the possibility of mounting additional accessories, such as auxiliary relays or electric drives, it can be adapted to the specific needs of a given installation. It is worth noting that this circuit breaker can also function as a disconnector – guaranteeing visible and reliable isolation of the circuit.

Characteristics and benefits

• High current withstand: The circuit breaker is characterized by a high short-circuit breaking capacity (Icm = 7.1kA AC or 6kA DC), which ensures effective protection in the event of sudden overvoltages.
• Solid construction: Made of high-quality materials, it guarantees durability and resistance to mechanical damage and environmental conditions.
• Versatility: The ability to mount additional accessories allows the circuit breaker to be adapted to individual user needs.
• Safety: Provides guaranteed disconnection of the circuit, which is particularly important during maintenance and service work.
• Compliance with standards: Meets the requirements of IEC 60947-3 standard, confirming its safety and reliability.
• Dimensions: Height 260 mm, width 140 mm and depth 110 mm allow for easy installation even in tight spaces. The weight of the device is 5.4 kg.
• Rated voltage: Designed to operate at AC 690V and DC 750V.

The LS TS400NA DSU 400A circuit breaker is an investment in the safety and reliability of your electrical installation. Its solid construction and advanced features provide long-term protection against failures and damage.