Residual current circuit breaker, 4P, A, 63A, 300mA, instantaneous F204 A-63/0.3 2CSF204101R3630
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TECHNICAL DATA
Sales unit dimensions and weight: 1 pcs
Residual current circuit breaker, 4P, A, 63A, 300mA, instantaneous F204 A-63/0.3 2CSF204101R3630
Safety and reliability in your electrical installation
This four-pole residual current circuit breaker from ABB is a key element ensuring the protection of people and equipment against electric shock and the effects of short circuits and overloads. Model F204 A-63/0.3, with a rated current of 63A and a sensitivity of 300mA, is perfect for both domestic and industrial installations. Its instantaneous tripping characteristic ensures a quick response in emergency situations, minimizing the risk of damage.
Functionality and installation
The circuit breaker is designed for mounting on a DIN rail, which facilitates its installation and replacement. A width of 4 modules allows for efficient use of space in the distribution board. Solid construction and high short-circuit strength (1 kA) guarantee long-lasting and trouble-free operation. With a mechanical lock, it prevents accidental disconnection, increasing safety.
Key features and benefits:
- Protection against electric shock: Rated residual current of 0.3A effectively protects against dangerous leakage currents, ensuring user safety.
- Versatile application: Rated current of 63A and rated voltage of 400V allow the circuit breaker to be used in a wide range of electrical installations.
- Fast response: Instantaneous tripping characteristic ensures immediate disconnection of the circuit in the event of a fault, minimizing potential damage.
- Easy installation: DIN rail mounting speeds up the installation and servicing process.
- Durable construction: Made of high-quality materials, guaranteeing the reliability and long service life of the device.
- Compliance with standards: Meets the required safety standards, ensuring compliance with applicable regulations (IP2X protection degree).
- Wide operating temperature range: The ability to operate at temperatures from -25°C to 55°C makes it suitable for various environmental conditions.
- Expandability: Compatibility with additional accessories allows the circuit breaker to be adapted to specific installation needs.
The ABB F204 A-63/0.3 residual current circuit breaker is an investment in safety and peace of mind – for both professional installers and end users. Its reliability, ease of installation and compliance with standards make it the ideal choice for any electrical project.


