Isolating switch FR 304 20A 4P 406477

Isolator switch – reliable power disconnection

The FR 304 20A 4P isolator switch is a modular element used to safely disconnect electrical circuits. Designed for both home and industrial applications, it provides effective isolation and protection against accidental switching. Its solid construction and high technical parameters guarantee long-lasting and trouble-free operation.

Functionality and application

This device is a versatile solution, functioning as both a main switch and a safety switch. The ability to mount in distribution boards and on TH35 rails makes integration with existing infrastructure simple and convenient. Thanks to the AC 22A operating category (according to IEC/EN 60947-3), it is suitable for frequent switching of circuits. The rated continuous current of 20A allows for the protection of a wide range of devices and loads. The locking mechanism further increases safety, preventing accidental opening of the circuit during operation.

Key features and benefits

• High short-circuit resistance: Rated conditional short-circuit current Iq at 4500 kA provides effective protection of the installation in the event of a failure.
• Universal mounting: The ability to connect using comb or pin busbars facilitates installation and adaptation to different configurations.
• Safety of use: The locking mechanism prevents accidental opening of the circuit during operation, minimizing the risk of electric shock.
• Wide voltage range: Operation in the voltage range of 0...690 V allows for use in various electrical installations.
• Compact dimensions: A mounting width of only 2 modules allows for efficient use of space in distribution boards.
• Solid construction: The device made of high-quality materials guarantees durability and reliable operation for a long time.
• IP20 protection class: Provides protection against finger contact and against the ingress of solid objects larger than 12.5 mm, increasing safety of use.
• Expandability: Compatible with additional auxiliary contacts (ref. no. 406250), allowing for the expansion of the device's functionality with circuit status signaling.

This isolator switch is a solid choice for professionals and users looking for a reliable solution for disconnecting power in their electrical installations.