Power contactor 18A, 7.5 kW, 3-pole, with 230VAC coil. 1a1b auxiliary contacts as standard MC-18B 230VAC 1A1B

Power contactor – reliable control of motors and circuits

This three-pole LS Electric power contactor, with a rated current of 18A and a power of 7.5 kW, is a key element in automation and power distribution systems. Designed for remote switching of electrical circuits, it is perfect for controlling motors, lighting and other AC loads. The 1a1b auxiliary contact configuration (one normally open and one normally closed contact) provides additional signaling and control options.

Construction and application

This contactor is characterized by screw connection of the main contacts, which facilitates installation and ensures a secure connection. Designed to operate with a control voltage of AC 230V, it is compatible with most standard electrical installations. Its versatility allows it to be used in a wide range of applications – from simple control systems to more complex industrial automation systems. Thanks to its compact dimensions (45 x 73.5 x 87.4 mm), it can be easily integrated with existing infrastructure.

Key features and benefits

• High reliability: The LS Electric contactor guarantees stable and trouble-free operation, confirmed by high mechanical durability (15,000,000 cycles) and electrical durability (2,500,000 cycles).
• Versatility: The ability to use in AC circuits with a voltage of up to 690V and a rated current of up to 18A (AC-3 at Ue=400V) makes the contactor a flexible solution for various needs.
• Safety: Compliance with IEC60947-1 standard ensures a high level of safety and compliance with international standards. The rated impulse withstand voltage Uimp is 6kV, and the rated insulation voltage Ui is 690V – protecting against overvoltage and short circuits.
• Easy installation: Screw connection of the main contacts facilitates installation and ensures a secure connection of the wires.
• Wide range of applications: Ideal for controlling electric motors, lighting, heating systems and other AC loads in automation and power distribution systems.
• Standard auxiliary contacts: 1a1b configuration allows easy integration with signaling and control systems.