Residual current circuit breaker, 4P, AC, 40A, 300mA, instantaneous F204 AC-40/0.3 2CSF204001R3400

Safety and reliability in your electrical installation

This four-pole residual current circuit breaker (RCCB), with a rated current of 40A and a sensitivity of 300mA, is a key element ensuring the protection of people and equipment against electric shock and the effects of short circuits. Designed in AC characteristic, it is perfect for protecting electrical circuits in residential and commercial buildings.

This circuit breaker, mounted on a DIN rail, occupies 4 modules in width, allowing for efficient use of space in the distribution board. It provides a quick response to leakage currents, minimizing the risk of hazard. The locking mechanism of the circuit breaker guarantees stability and prevents accidental switching on after being tripped due to a fault.

Functionality and technical parameters

The design of the circuit breaker is designed for easy installation and intuitive operation. Adapted to cooperate with wires with a cross-section of 25 mm², it allows connection of installations with higher power. The withstand to impulse current at a level of 0.25 kA and high short-circuit resistance (1 kA) testify to its solidity and reliability in difficult working conditions. The circuit breaker meets safety standards, confirmed by the rated insulation voltage Ui of 500V and the rated impulse withstand voltage Uimp at 4kV.

• Protection against electric shock: AC sensitivity provides effective protection against leakage currents to earth.
• Wide temperature range: Operation in the temperature range from -25°C to 55°C guarantees reliable operation even in extreme conditions.
• Expandability: Compatibility with additional equipment allows the circuit breaker to be adapted to specific installation needs.
• Safety of use: With a lock preventing accidental re-engagement after tripping.
• Durability and reliability: Short-circuit resistance at 1kA level ensures long-term operation of the device without damage.
• Installation: Quick mounting on DIN rail – a standard solution facilitating installation.

This circuit breaker is an ideal solution for both professional installers and end-users looking for reliable protection of their electrical installation. The IP2X degree of protection protects against touching with fingers and solid objects larger than 12.5 mm, which increases safety of use in various environments.