Cam switch 40A, Disconnector 1-0-2 (2-pole), front mounting grey knob black ŁK40-2.8338\S03

Universal cam switch for safe circuit switching

This two-pole cam switch LK40-2.8338\S03 is a reliable solution for manual switching of electrical circuits. Designed for both professional use in electrical installations and for end-users needing a solid and safe element in the power system. Rail-mounted, it offers convenient installation and operation. Its construction provides high resistance to environmental conditions, and its solid design guarantees long-term operation.

Construction and application

A cam switch, also known as a disconnector, is used to manually switch electrical circuits on and off under load. Model LK40-2.8338\S03 has a "0" position, which allows for complete isolation of the circuit, ensuring safety during maintenance or repair. Made of durable plastic, it is resistant to mechanical damage and weathering. Designed for rail mounting, which simplifies integration with existing electrical infrastructure. The black knob provides convenient operation and intuitive identification of the switch status.

Key features and benefits

• High reliability: Rated continuous current of 40A and short-circuit current of 1.5kA guarantee safe operation even in demanding conditions.
• Universal mounting: Indirect mounting option makes it easy to adapt to different installation configurations.
• Safe operation: IP65 protection rating protects against dust and water ingress, ensuring safe operation in harsh environmental conditions.
• Durable construction: Made of high-quality plastic, it provides resistance to mechanical damage and corrosion.
• Convenient operation: Black knob allows for intuitive operation and quick identification of the switch status (on/off).
• Wide range of applications: Suitable for switching circuits with a power of up to 20kW (AC-3 at 400V), making it an ideal solution for various industrial and domestic applications.
• Compliance with standards: Meets the required safety standards, confirming its high quality and reliability.

Technical parameters in practice

Rated power of 20kW at 400V means that the switch can safely handle devices with significant power consumption – from electric motors to heating furnaces. Rated continuous current of 40A ensures stable power supply to connected devices for a long time without the risk of overheating or damage. IP65 protection rating guarantees protection against moisture and dust, which is particularly important in industrial environments or exposed to harsh weather conditions. Mechanical durability of 3 million switching cycles indicates a long service life of the device and minimal maintenance requirements.