Cam switch disconnector 20A, switch 0-1 (4-pole), in OB11 housing with yellow/red closing front SK20-2.8210\OB11ZC

Universal cam switch for various applications

This four-pole cam switch, with a 0-1 disconnector, is designed for reliable and safe switching of electrical circuits. Manufactured by the renowned SPAMEL, model SK20-2.8210\OB11ZC combines a solid construction with functionality, proving useful in both industrial installations and residential buildings. The OB11 housing with a yellow-red colored closing front provides high protection against external factors and facilitates identification.

Construction and application

A cam switch is a device used to manually switch electrical circuits. In this model, the 0-1 position allows you to choose between two circuits or completely disconnect the power supply. The construction based on screw connections guarantees secure and durable connections of wires with a cross-section of 1…4 mm². Designed for panel mounting, it is ideal where frequent circuit reconfiguration or the need for emergency power disconnection is required. The rated operating power for AC-3 at 4 kW at 400V demonstrates its capabilities in controlling motors and other loads.

Key features and benefits

• Durability and reliability: Made of high-quality plastic, resistant to mechanical damage and weather conditions (IP65 protection).
• Safety of use: The closing housing provides protection against accidental contact with energized elements.
• Versatility: Can be used in a wide range of low-voltage electrical installations – from simple lighting circuits to more complex control systems.
• Easy installation: Designed for indirect mounting with screws, which facilitates integration with existing infrastructure.
• High resistance to environmental conditions: Operation at temperatures from -40°C to +70°C and resistance to vibrations and shocks ensure reliable operation even in harsh industrial conditions.
• Suitable for frequent switching: Mechanical durability of 3 million switching cycles guarantees long device life even with intensive use.
• Overload protection: Rated continuous current of 20A provides effective protection of the circuit against overload.
• Clear identification: The color scheme of the front (yellow-red) facilitates quick identification of the switch function.

This cam switch is a solid solution for every installer and end-user looking for a reliable and safe device for switching electrical circuits.