Disconnect switch 20A, Isolator 0-1 (3-pole), in OB11 housing with yellow/red front SK20-2.8211\OB11C

Universal cam switch for various applications

This three-pole cam switch with a rated current of 20A is a solid and reliable solution for switching electrical circuits. Designed for both professional and domestic use, it provides safe and convenient operation. The OB11 housing construction guarantees resistance to external conditions and mechanical damage.

Functionality and construction

The switch allows you to choose between three positions: 0 (off), 1 (on) and 2 (intermediate position - depending on the model). Made of high-quality plastic, it is resistant to corrosion and damage. Screw connection of the main contacts ensures a secure and durable connection of the wires. The IP65 protection class guarantees protection against dust and water jets, making it ideal for use in harsh conditions.

• Application: Ideal for electrical installations in residential, commercial buildings and light industry.
• Use: It is perfect in lighting circuits, electrical outlets, and in controlling electrical devices.
• Mounting: Designed for direct mounting, does not require additional mounting elements.
• Safety: Provides effective protection against overload and short circuit - like any switch of this type.
• Durability: The design is designed for long-term operation, withstanding up to 3 million switching cycles.

User and technical parameters

The rated power at AC-3 (400V) is 4 kW, which allows you to operate medium-power devices. The continuous rated current (Iu) is 20A, and the conventional short-circuit current is 10 kA. The switch has an IP65 protection class, which means high resistance to the ingress of solids and water. The model is equipped with a knob for convenient switching. The housing material - plastic - provides electrical insulation and corrosion resistance.

Thanks to its versatility and solid construction, this cam switch is a reliable element of every electrical installation. It is a product worthy of trust for both professionals and demanding end-users.