Overcurrent switch S 313 3P B 4 A 10000 A TX3 series 404122

TX³ series circuit breakers – reliable installation protection

TX³ series circuit breakers are a solid and proven solution for protecting electrical installations against the effects of overloads and short circuits. Model S 313 3P B 4 A, with a breaking capacity of up to 10 kA, provides effective protection for electrical circuits in residential and commercial buildings. The construction of this three-pole circuit breaker, with characteristic B, makes it particularly well suited for protecting lighting circuits, socket outlets and other resistive loads.

Construction and characteristic features

The S 313 TX³ circuit breaker is distinguished by its compact design, occupying 3 modules on a TH35 rail. Made of high-quality materials, it guarantees long-lasting and trouble-free operation. The IP20 degree of protection provides protection against accidental contact, which increases safety. The possibility of flush mounting facilitates aesthetic integration into the surroundings. The rated insulation voltage Ui at 500 V and the rated impulse withstand voltage Uimp of 4 kV demonstrate high resistance to working conditions in demanding environments.

Application and benefits for professionals and end users

This circuit breaker is not only a protective element, but also a convenient tool for installers. The lower latch and terminal covers facilitate installation and connection of wires, reducing the time required to complete the investment. The ability to cooperate with various auxiliary equipment – auxiliary and signaling contacts, undervoltage release devices or remote drives – allows for expanding the functionality of the protection system. For the end user, this means primarily peace of mind – confidence that the electrical installation is safe and protected against failures caused by overloads or short circuits. The rated short-circuit breaking capacity Icn is 10 kA at 400 V and 16 kA at 230 V, which ensures a quick response in the event of a dangerous situation. Characteristic B provides fast tripping during overloads, while tolerating short-term current surges during device start-up.