Disconnect switch 40A, Isolator 0-1 (3-pole) with signal track, front-mounting grey knob black ŁK40-2.829\S03

Cam switch – reliable switching in electrical installations

This three-pole cam switch with a rated current of 40A is a solid solution for frequent switching of electrical circuits. The design with a 0-1 disconnector ensures safe and convenient operation, and the possibility of busbar mounting allows for easy integration with existing installations. Equipped with a signaling contact, it enables visual monitoring of the circuit status. A gray front with a black knob provides clear identification and comfortable use.

Construction and application

The cam switch LK40-2.829\S03 is designed for use in electrical switchboards, control cabinets and other installations requiring reliable circuit switching. Its cam mechanism-based design guarantees high durability and resistance to mechanical damage. The possibility of busbar mounting allows for quick and easy installation and removal, which is particularly important during servicing or modernization of installations. The use of a signaling contact increases work safety by informing about the current state of the circuit.

Key features and benefits

• High mechanical resistance: Robust construction ensures long-lasting and trouble-free operation even in harsh operating conditions.
• Safety of use: 0-1 disconnector and signaling contact increase operating safety and allow for visual monitoring of the circuit status.
• Easy installation: The design allowing busbar mounting facilitates and speeds up installation and servicing.
• Wide range of applications: Suitable for various types of electrical installations, both in commercial and industrial construction.
• Durability: Designed for 3 million switching cycles, which guarantees a long service life.
• Resistance to environmental conditions: Operation in a wide range of ambient temperatures (-40°C to +70°C) ensures reliability in various climatic conditions.
• Compliance with standards: Meets safety requirements, confirming its high quality and reliability.

Technical parameters in practice

The switch is characterized by high technical parameters, which translate into its performance and reliability:

• Rated continuous current 40A: Allows safe loading of circuits with medium power.
• Rated insulation voltage 690V: Ensures safe operation in high-voltage installations.
• Rated short-time withstand current 0.85kA: Protects the device against the effects of short circuits and overvoltages.
• Rated switching power AC-3: 20kW (400V): Enables efficient switching of circuits with electric motors.
• Connection cross-section 4...10 mm²: Ensures compatibility with various types of cables used in electrical installations.

Thanks to these parameters, the switch is a reliable solution for demanding industrial and commercial applications.