Circuit breaker S 304 4P B 25A 6000A TX3 403419

Robust protection for electrical installations – Legrand S 304 TX³ circuit breaker

This four-pole circuit breaker from the S 304 TX³ series is a reliable solution for protecting electrical installations from the effects of overloads and short circuits. Designed for both professional installers and end-users, it provides safety and long-lasting functionality. Characteristic B makes it ideal for circuits with devices with moderate inrush current, such as lighting or sockets.

Functionality and installation

The circuit breaker is designed for mounting on a TH35 rail, which simplifies and speeds up installation. Compact dimensions – only 4 modules wide – allow for efficient use of space in the switchgear cabinet. The ability to connect using comb or pin busbars increases flexibility during installation. Additionally, the circuit breaker is compatible with DX³ series accessories, allowing you to expand functionality with auxiliary contacts, release mechanisms and remote drives.

Key features and parameters

• The rated current is 25 A, which provides adequate protection for circuits with medium loads.
• The rated short-circuit capacity is 6 kA at 400 V and 10 kA at 230 V – guarantees effective disconnection in the event of a short circuit.
• Characteristic B ensures a quick response to overloads and short circuits, protecting the installation from damage. It is ideal for circuits with devices with moderate inrush current.
• The circuit breaker has 4 poles, allowing you to protect the entire circuit in one device.
• The rated voltage is 400 V AC – standard voltage in most electrical installations.
• The degree of protection (IP) is IP20 – protection against contact with fingers and solid objects larger than 12.5 mm.
• Possible flush-mounting in flush-mounted boxes.
• Compliance with EN 60898-1 and EN 60947-2 standards confirms the safety and reliability of the device.

The S 304 TX³ circuit breaker is a solid choice for anyone who values safety and reliability in their electrical installation. Its versatility makes it suitable for use in residential, commercial and industrial buildings.