Overcurrent breaker S 313 3P D 6 A 10000 A series DX3 409495

Protection of installations and equipment – Legrand DX³ series S 313 overcurrent circuit breaker

This three-pole overcurrent circuit breaker with D characteristic provides reliable protection for your electrical installation. Designed to safeguard circuits against overloads and short circuits, it ensures safe operation and long-term reliability of connected devices. With a rated current of 6A, it is ideal for protecting low-power circuits, while its high breaking capacity (10 kA at 400V, 16 kA at 230V) guarantees effective response during fault conditions.

The S 313 overcurrent circuit breaker from the DX³ series features compact dimensions—occupying only 3 modules on a TH35 DIN rail—making installation easy even in densely packed distribution boards. It supports a wide range of conductor cross-sections (1.5–35 mm² for single-core and 1.5–25 mm² for multi-core cables), ensuring compatibility with various wiring types. Designed to operate in ambient temperatures from -25°C to +70°C, it performs reliably under diverse environmental conditions.

Functionality and ease of use

The DX³ series offers not only protection but also installation convenience. These overcurrent circuit breakers support expansion with additional accessories such as auxiliary contacts or trip units, enabling customization to meet specific circuit requirements. Integrated separating inserts facilitate safe and rapid disconnection of conductors during maintenance or system upgrades. Clear contact position indicators on the housing allow for easy visual verification of the breaker’s status. As a result, both professional installers and end users can be confident in the reliable operation of the protection system.