Compact circuit breaker LS TS800N ETS43 800A 4P

Compact LS Electric circuit breaker – reliable installation protection

The LS TS800N ETS43 800A 4P compact circuit breaker is a key protection element in power distribution systems. Designed for both industrial and commercial applications, it provides effective protection against overloads and short circuits. Thanks to its solid construction and advanced technology, this circuit breaker guarantees long-term and trouble-free operation.

Functionality and application

This circuit breaker, equipped with an electronic ETS thermal release, offers precise and fast response to changes in the circuit. The rated current of 800A and 4-pole design make it an ideal solution for circuits with high power consumption. The ability to cooperate with additional accessories expands the functionality of the device, allowing it to be adapted to the specific needs of the installation. LS TS800N circuit breakers are used in:

• Main power distribution boards
• Lighting and socket distribution boards
• Electric motor power supplies
• Industrial automation systems
• Commercial and public buildings

Characteristics and benefits

The electronic ETS release allows for precise setting of the tripping characteristic, which minimizes the risk of unnecessary circuit tripping during short-term overloads. High short-circuit breaking capacity (65kA at 460V and 100kA at 220V) ensures installation safety even in the event of serious disturbances. The 4-pole design allows protection of all phases and the neutral conductor, which increases the overall reliability of the system. Additionally:

• A wide range of rated currents (from 16A to 1600A) allows the circuit breaker to be adapted to different applications.
• Availability of many additional accessories (e.g. auxiliary contacts, alarm contacts) increases installation flexibility.
• Modbus and Profibus communication capability enables integration with monitoring and control systems.
• Smart design opens the way to intelligent power distribution systems, optimizing energy consumption and increasing work efficiency.
• Designed to operate at AC 690V, making it a universal solution for many installations.

Construction and installation

The LS TS800N ETS43 800A 4P circuit breaker is characterized by a solid construction ensuring high resistance to environmental conditions. Mounting is on a DIN rail, which facilitates and speeds up installation. Mounting accessories are also available to facilitate proper connection of the wires. It is important to select the correct wire cross-sections and to maintain appropriate tightening torques of electrical connections – this is key to the safe and reliable operation of the device. The possibility of mounting internal auxiliary devices such as auxiliary contacts (AX, AL), voltage relays (SHT) or undervoltage relays (UVT) increases the functionality of the circuit breaker without the need for additional external components.