DC power contactor LS Electric MC-40a 48VDC 1a1b MC-40A 48VDC 1A1B

Reliable DC contactor for automation and power distribution systems

The LS Electric MC-40a 48VDC 1a1b DC power contactor is a component designed for efficient control of DC circuits. It will work in applications requiring frequent switching of the load, providing reliable operation and long life. The contactor design, taking into account standard dimensions, facilitates its integration with existing installations.

Construction and application

This three-pole (3-pole) contactor with a rated current of 40A, designed to operate with a coil voltage of 48V DC, finds application in industrial automation systems, DC motor control and emergency power systems. It has a 1a1b (NO + NC) auxiliary contact configuration, which enables the implementation of various control functions. Mounting on a DIN rail or panel provides installation flexibility. Thanks to the wide range of operating temperatures (-5...60°C), it can be used in various environmental conditions.

Key features and benefits

• High reliability: LS Electric contactors are characterized by a solid construction and high quality workmanship, which guarantees long-term and trouble-free operation.
• Versatility: A wide range of AC and DC coil voltages makes LS Electric contactors compatible with various control systems.
• Compact dimensions: Standard dimensions make it easy to mount and integrate the contactor with existing infrastructure.
• Safety: The contactor protects the circuit against overload and short circuit - like most circuit breakers in this class.
• Installation flexibility: The possibility of mounting on a DIN rail or panel increases installation convenience.
• Wide range of applications: Ideal for controlling DC motors, industrial automation systems and emergency power systems.
• High efficiency: The maximum motor power that the contactor can handle is 18.5kW.
• Protection degree IP20: Provides basic protection against touch and ingress of solid objects.