ABB 5SGX1060H0003 AC contactor

ABB 5SGX1060H0003 AC contactor

Product Overview

ABB 5SGX1060H0003 AC contactor, as a key equipment in the field of industrial electrical control, plays an important role in control and protection in many electrical systems. It can frequently connect and disconnect AC circuits, effectively control various AC loads, and is widely used in many fields such as manufacturing, energy industry, transportation, etc. that require extremely high electrical control reliability. With the profound foundation of ABB brand in the fields of power and automation technology, this AC contactor integrates advanced design concepts and exquisite manufacturing processes, providing solid guarantees for efficient and stable operation of industrial production.

Core functions

Circuit on-off control: This is the core function of AC contactors. When the electromagnetic coil is powered on, it generates a magnetic field that attracts the moving iron core, drives the contact to move, closes the main contact, and connects the circuit, thereby achieving power supply to the AC load; When the electromagnetic coil is powered off, the magnetic field disappears, and the moving iron core returns to its original position under the action of the reset spring, causing the main contact to disconnect and cutting off the circuit. Through this method, it is possible to efficiently and accurately control the on/off of AC circuits to meet the operational needs of different devices.

Undervoltage and Loss of Voltage Protection: Equipped with undervoltage and loss of voltage protection functions. When the circuit voltage drops to a certain level (usually below 70% of the rated voltage) or suddenly loses power, the electromagnetic attraction of the AC contactor weakens or disappears, the moving iron core is released, the main contact quickly disconnects, and the circuit is automatically cut off. When the voltage returns to normal, manual re operation is required to re engage the contactor and restore power supply to the circuit. This protection function can effectively prevent equipment damage and production accidents caused by abnormal voltage, ensuring the safety of equipment and personnel.

Remote control: Supports remote control function and can be operated remotely through control circuits. In an automated production system, operators can send control signals to the electromagnetic coil of the AC contactor through control buttons, PLC (Programmable Logic Controller) or other remote control devices in the control room, achieving remote control of the AC contactor and thus controlling the operation status of the equipment. This remote control function greatly improves the convenience and automation level of production operations, facilitating centralized management and scheduling of large-scale production processes.

Working principle

Working principle of electromagnetic mechanism: The electromagnetic mechanism of 5SGX1060H0003 AC contactor is mainly composed of electromagnetic coil, static iron core, dynamic iron core (armature) and other parts. When an electromagnetic coil is connected to a suitable AC power source, an alternating current will be generated in the coil. According to the Ampere's law, the alternating current will generate an alternating magnetic field around it. This alternating magnetic field acts on both the stationary and moving iron cores, causing the moving iron core to experience electromagnetic attraction. When the electromagnetic suction force is greater than the reaction force of the reset spring, the moving iron core begins to move towards the stationary iron core, driving the contact system connected to the moving iron core to move.

Working principle of contact system: The contact system is divided into main contacts and auxiliary contacts. The main contact is used to connect and disconnect the main circuit, carrying a large current; Auxiliary contacts are used to control circuits, achieve signal transmission and interlocking control functions. When the moving iron core moves towards the stationary iron core under the action of electromagnetic attraction, the main and auxiliary contacts connected to it move accordingly. Close the main contact, connect the main circuit, and enable the load to obtain power and start working; The normally open contact of the auxiliary contact is closed, and the normally closed contact is disconnected, achieving the corresponding control signal switching. When the electromagnetic coil is powered off, the electromagnetic attraction disappears, and the moving iron core returns to its original position under the action of the reset spring. The contact system also resets accordingly, the main contact is disconnected, the main circuit is cut off, and the auxiliary contact returns to its initial state.

Technical parameters

Rated working voltage: Common rated working voltages include various specifications such as 220V AC and 380V AC, which can be selected according to different application scenarios and electrical system requirements. They can adapt to diverse power grid environments and ensure stable operation under different voltage conditions.