2A1702-14

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2A1702-14 belongs to a group of accessories known as electrical contactors. A contactor is an electromechanical device commonly used in a control circuit to switch an electrical circuit that has a high current rating and a voltage range higher than the control voltage. The current rating of a contactor is usually much higher than that of an equivalent sized circuit breaker. The contactor has a wide range of applications, and is frequently used in applications that require manual control or remote control of a switching circuit, such as for operating motors, lifts, and fans. Generally, contactors are chosen and rated depending on the voltage, current, and frequency of the circuit in which they are installed.

2A1702-14 contactor is basically composed of several parts, usually including a coil, contact system, arc extinguishing chamber, manual operating mechanism, and release mechanism. The contact system typically consists of several fixed and moveable contact units, which are designed to open and close an electrical circuit. One of the contacts is usually connected to an external source, while other contacts are connected to the load, depending on the type of contactor. The coil is typically energized through a control signal, which causes the moveable contact to either make or break the connections. Generally, the manual operating mechanism is used to provide an emergency shutdown or reset capability, while the release mechanism is typically used to release the contact from the contacts.

The 2A1702-14 is a low-cost contactor that is typically used for controlling small motors and fans. It has a current rating up to 20A and a voltage rating of up to 695V. This contactor can be used to control motors up to 2.2kW. It is made from an acetal-reinforced plastic base and comes with two push-button contact blocks for manual control. It also has an integrated thermal protector, which limits the current in the event of an overload. The contactor can also be used in applications with higher power requirements, by using a series of contactors in parallel. This contactor has a DC coil voltage rating of 12V, 24V, 110V, and 220V.

The working principle of the 2A1702-14 contactor is based on the interaction between the magnetic field of a coil and the contact system. When the coil is energized, a magnetic field is created in the coil due to the electric current. This magnetic field interacts with the contact system, causing the moveable contact to close or open the contacts. The contact system is equipped with a spring mechanism that provides a mechanical force for releasing the contact system after the current is switched off. This ensures that the contacts are disconnected once the coil is de-energized.

The 2A1702-14 contactor has a wide range of applications, such as for controlling motors, lifts, and fans. It is commonly used in HVAC systems and can provide a reliable and efficient means of controlling various high-power devices. Additionally, it is typically used in commercial and industrial contexts, such as in customer premises equipment and electrical switchgear, due to its low cost and easy installation. This contactor is also used in many electrical applications, such as in electric motor starters, contactor starters, and motor controllers.

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