Circuit breaker S 303 3P C 13A 6000A TX3 403544

Reliable protection of electrical installations – circuit breaker S 303 TX³

This three-pole circuit breaker from Legrand, with a rated current of 13A and characteristic C, is a key element of every safe electrical installation. It provides effective protection against the effects of overloads and short circuits, minimizing the risk of damage and fire. Its compact dimensions – only 3 modules wide – make it easy to install even in crowded distribution boards.

The S 303 TX³ circuit breaker is designed to work with auxiliary equipment, such as auxiliary contacts or releases, allowing for the expansion of the security system’s functionality. The lower latch and terminal covers greatly simplify the installation and connection of wires, saving time and increasing comfort for both professionals and experienced DIY enthusiasts.

Parameters and application

This circuit breaker is characterized by a high breaking capacity of 6kA at 400V and 10kA at 230V, which guarantees a quick and reliable response in the event of a failure. Characteristic C means a delayed response to short-term current surges, which is particularly important when protecting circuits with receivers with high inrush current – e.g. electric motors or refrigeration units. The rated impulse withstand voltage of 4kV ensures resistance to overvoltage.

Key parameters of the circuit breaker are: rated current 13A, tripping characteristic C, breaking capacity 6kA at 400V and 10kA at 230V. The device has three poles and is 3 modules wide (53.1 mm). The degree of protection is IP20, and the rated voltage is 400 V AC.

The S 303 TX³ circuit breaker is perfect for protecting lighting circuits, socket outlets and electrical appliances in residential, commercial and industrial buildings. Its versatility and reliability make it an ideal choice for both new installations and modernization of existing electrical systems. Mounting is on a TH35 rail.

Construction and distinguishing features

The TX³ series is a modern solution from Legrand, characterized by high quality workmanship and compatibility with the DX³ series. These circuit breakers are distinguished by their compact size, ease of installation and the possibility of expansion with additional accessories – auxiliary contacts, undervoltage releases or remote drives. Made of high-quality materials, it guarantees long-lasting and trouble-free operation of the device. Additionally, the circuit breaker has energy limitation class 3 and is made without the use of halogens, making it a more environmentally friendly solution.