ACC343UMM20

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Contactors (electromechanical) are devices which are responsible for controlling electrical power, signal and data in an automated or semi-automatic system. This type of contactor, known as the ACC343UMM20 contactor, is designed specifically to switch medium to low voltage currents without the need for additional relays or protection systems.

The ACC343UMM20 contactor is designed to switch currents between 0-800A and 230V-690V AC or DC. It is available in both AC and DC both single and three-phase varieties and is rated up to two megawatts. Its rugged ABS housing which is fire resistant and comes in 6 different designs for flexibility in system installation options.

The ACC343UMM20 is designed with a low harmonics design and a high insulation voltage and fill level corrosion proofing. Its low harmonic structure has an operational frequency range of 5-150kHz and its oversized contactors have a torque of up to 600 Newton-meters. The ACC343UMM20 is equipped with silver contacts which are electrically insulated from each other. Its soft start and power reduction characteristics allow it to be used in a large variety of applications.

The ACC343UMM20’s working principle is based on its use of a coil which is energized by electric current. When the current is switched on, the coil starts to rotate and its inner core pushes out a hammer which physically switches the contacts and disconnects them in the same way. This physical switching allows the ACC343UMM20 to control the electrical loads which it is switching. The hammer is spring-loaded and is designed to prevent any arcing or contact damage when it makes contact with the contacts.

The ACC343UMM20’s application field is varied and it can be used in a range of applications such as starting and stopping electric motors, controlling or limiting current to loads, controlling currents to heating elements and controlling voltages to contactors. It can also be used for isolating transformers from the main power supply when needed. The ACC343UMM20 is suitable for both indoor and outdoor applications and is designed for a wide range of environmental conditions.

The ACC343UMM20 contactor is a reliable and well-made device. Its low harmonic and overload features make it suitable for use in connected systems, and its ability to switch between 0-800A and 230V-690V AC or DC makes it ideal for diverse applications. It is also fire resistant and provides operational frequencies of 5-150kHz with silvered contacts, making it a safe and reliable choice for industrial applications.

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