Disconnect switch 20A, Isolator 0-1 (3-pole), in OB12 enclosure. SK20-2.8211\OB12

Rotary switches – reliable switching in your installation

This three-pole rotary switch with a rated current of 20A is a solid solution for frequent circuit switching. Designed for both professional and home use, it combines durability, safety and ease of use. The OB12 housing provides protection against external conditions, and the possibility of mounting on a panel increases installation flexibility.

Design and application

The rotary switch SK20-2.8211\OB12 is complete – supplied with the OB12 housing, which eliminates the need for additional purchases and simplifies installation. Designed for switching circuits up to 690V, it is perfect for controlling various electrical devices. The cam mechanism ensures smooth and reliable switching, and solid screw connections guarantee reliable electrical connections. Thanks to the "0" position, the circuit can be safely disconnected during maintenance or repair.

Key features and benefits

• Durability and protection: The housing made of plastic with a protection class of IP65 protects against dust and moisture, ensuring long-term operation in harsh conditions.
• Safety of use: The rated conditional short-circuit current at 10kA and high resistance to shocks and vibrations guarantee safe operation even in demanding applications.
• Versatility: Possibility of mounting on a panel (31/□36) facilitates integration with existing installations.
• Reliable switching: The cam mechanism ensures precise and reliable circuit switching.
• Completeness: Supplied with the OB12 housing – ready for mounting immediately after unpacking.
• High mechanical durability: Designed for 3 million switching cycles – a guarantee of long device life.
• Compliance with standards: Ensures safe and compliant operation of the electrical installation.

Technical parameters in practice

The rated operating power for AC-3 at 400V is 4kW, which means that the switch can easily handle typical industrial or household devices of medium power. The cross-section of connection wires 1...4 mm² allows connection of wires of different thicknesses, adapting to the specifics of the installation. The IP65 protection class ensures safety in environments exposed to moisture and dust – ideal for workshops, production halls or gardens.