Cam switch 63A, three-phase starter switch (0,Y,A), base mounting rail front closing black SK63-4.831\BS07

Three-Phase Starter Switch – Reliable Motor Control

This 63A three-phase cam switch is a robust solution for controlling electric motors. Designed for DIN rail mounting, it offers safe and efficient switching of circuits (0, Y, A), making it an ideal choice for both professional installers and end-users. The plastic housing provides durability and resistance to mechanical damage.

Construction and Application

The cam switch SK63-4.831\BS07 is used to switch electrical circuits on and off, and its versatility allows it to be used in various industrial and commercial applications. Thanks to the possibility of indirect mounting, it can be easily integrated with existing electrical infrastructure. The IP65 protection rating guarantees safe use even in harsh environmental conditions – it is resistant to dust and water jets. Designed to operate in temperatures from -40°C to +70°C, it will perform well in demanding applications.

Key Advantages

• High durability: The housing made of durable plastic ensures long-term reliability.
• Versatility: The ability to configure circuits (0, Y, A) allows adaptation to different needs.
• Safety: IP65 protection protects against moisture and dust, ensuring safe operation.
• Easy installation: Designed for DIN rail mounting, which facilitates installation and maintenance.
• High power: The rated operating power for AC-3 is 18 kW at 400V, allowing control of motors with significant power.
• Durability: Designed for a large number of switching cycles (3 million).
• Wide voltage range: The rated insulation voltage Ue is 690 V, ensuring compatibility with various installations.
• Rated current: The rated continuous current Iu is 63A – sufficient for most industrial applications.

Technical Parameters in Practice

This cam switch has been designed with performance and reliability in mind. The rated switching current Ic is 63A, and the short-circuit withstanding current Icw(1s) is 1.2 kA – providing effective circuit protection in the event of a failure. The ability to connect wires with a cross-section from 6 to 16 mm² provides installation flexibility. The switching angle of 30°-45°-90° enables precise load control. The three-pole design allows full control over the three-phase motor circuit.