Fuse disconnect switch R 303 63 A 3P 606709

Fuse disconnect switch – reliable installation protection

The R 303 disconnect switch is designed for the safe disconnection of electrical circuits, providing effective protection against overloads and short circuits. This three-pole model, with a rated current of 63A, is suitable for both domestic and industrial installations. Its robust construction and high quality ensure long-term reliable operation.

Functionality and application

This device functions as a main disconnect switch, allowing complete isolation of the circuit from the power supply. This makes it ideal for servicing installations or performing maintenance work. The design with a locking mechanism provides additional safety, preventing accidental switching on of the circuit during work. The possibility of mounting on a plate, in distribution boards or indirect mounting increases installation flexibility. Designed to work with fuse elements D02, ensuring compatibility with a wide range of available protections.

Key features and benefits

• High breaking capacity: Rated conditional short-circuit current Iq at 50 kA guarantees effective protection in the event of a short circuit.
• Wide voltage range: The ability to operate in the voltage range of 12-400 V AC makes the disconnect switch versatile and suitable for various installations.
• Robust construction: The device made of high-quality materials ensures durability and reliable operation.
• Safety of use: The locking mechanism prevents accidental switching on of the circuit during service work.
• Easy installation: The possibility of mounting in various ways facilitates integration with the existing electrical infrastructure.
• Compliance with standards: Meets the required safety standards, ensuring compliance with applicable regulations.
• Rated power output: At 400 V provides power up to 25.2 kW, making it suitable for medium-sized loads.
• Screw connection: Ensures a secure and durable connection of wires.
• Protection class IP40: Protection against access to live parts and against water splashes – important for safe use in various environmental conditions.

This disconnect switch is not only a protective element, but also a convenient tool for installers, enabling quick and safe installation and servicing of electrical installations. For the end user, this means peace of mind and confidence that their installation is protected against failures and damage.