TeSys D power contactor AC3 18A 3P 1NO 1NC 400VAC coil LC1D18V7

Power contactor – reliable motor control

This three-pole TeSys D power contactor, catalog number LC1D18V7, is a key element in motor control systems. Designed to operate with loads up to 18A at 400V AC-3, it provides reliable switching of electrical circuits. It is a versatile device that will work well in both industrial and commercial applications.

Construction and operating parameters

The contactor is characterized by screw connection of the main contacts, which facilitates assembly and connection of wires. It has built-in auxiliary contacts – one normally open (1NO) and one normally closed (1NC) – which eliminates the need to use additional contact blocks in many applications. The coil powered by 400VAC (50/60Hz) voltage ensures compatibility with various electrical networks. The rated operating power of the contactor is 7.5 kW at 400V AC-3 and 4 kW at 400V AC-4, allowing for control of various motors.

• Rated current: 18A (AC-3, 400V) – ideal for medium power motors.
• Rated power: 7.5 kW (AC-3, 400V) – enables control of a wide range of loads.
• Coil voltage: 400VAC (50/60Hz) – ensures versatility of application.
• Auxiliary contacts: 1NO + 1NC – increase the functionality and flexibility of the control system.
• Dimensions: compact dimensions (77 mm x 45 mm x 86 mm) allow for easy mounting even in tight spaces.

Applications and benefits

The TeSys D LC1D18V7 contactor finds application in many areas, such as:

• Motor control: ideal for switching on and off electric motors in various industrial and commercial applications.
• Motor starters: can be used as an element of a motor starter, providing smooth starting and protection of the motor against overload.
• Building automation: used in building automation systems to control devices such as pumps, fans or gates.
• Industry: a reliable element of control systems in production plants, workshops and other industrial facilities.

By choosing this contactor, you gain:

• High reliability: solid construction and quality certificates guarantee long-lasting and trouble-free operation of the device.
• Easy installation: screw connection of the main contacts facilitates connection of wires, and compact dimensions allow for easy mounting in tight spaces.
• Versatility of application: ability to control various loads thanks to appropriate rated parameters and the presence of auxiliary contacts.
• Compliance with standards: meets the requirements of applicable IEC, UL, CSA, CCC, EAC and Marin e standards, ensuring safety of use and compatibility with other devices in the electrical installation.