IOS Certificate High Quality 220V/440/1000V 115-800A OEM Price 380V Contactors 185A Magnetic 500A Contactor LC1-F

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Ac contactors – Definition & Types
An AC contactor functions as an electromechanical control device designed to establish or interrupt electrical connectivity between power sources and high-capacity loads. Equipped with integrated voltage transient suppression, these devices provide reliable switching operations in power distribution systems. Their primary applications encompass electrical apparatus control and power network management, particularly for operating industrial-scale loads such as motor drives, thermal regulation systems, and illumination control circuits.
As a standardized switching solution, AC contactors serve as critical interface components between control circuits and power equipment, enabling remote current regulation through low-power signal commands. Distinct from circuit protection devices, contactors maintain closed contacts under normal operation until receiving an open command or fault-induced automatic disengagement, ensuring continuous current conduction during equipment service cycles.
WTAIDQ  Contactors
WTAIDQ: Global Leader in Electrification Solutions As an industry frontrunner in power infrastructure and industrial automation, WTAIDQ dominates global markets across high/low-voltage systems, energy transmission networks, and smart distribution solutions. Our core expertise lies in advanced electromechanical manufacturing, delivering an extensive portfolio including:
• Power regulation devices: AC/DC contactors with arc-suppression technology
• Circuit protection systems: MCB/MCCB breakers with precision trip mechanisms
• Ground fault protection: Intelligent earth leakage circuit breakers (ELCB)
• Energy distribution units: Modular distribution boards and busbar systems
• Industrial lighting solutions: High-efficiency luminaires with IoT compatibility
WTAIDQ’s integrated solutions encompass engineering design services, custom OEM manufacturing, and intelligent panel building solutions, particularly excelling in motor management systems and critical load protection. Certified to comply with stringent international certifications including IEC/EN 60947, our products demonstrate:

1.50,000+ mechanical operations lifecycle
2.100,000+ electrical endurance cycles
3.<15ms arc extinction capability
4.96%+ conductive material purity
Outperforming industry benchmarks set by Schneider Electric, Lovato, and Phoenix Contact products, WTAIDQ’s electropneumatic hybrid contactors achieve 30% higher switching stability and 40% reduced contact erosion through proprietary silver-nickel composite contact technology.

Technical Specification

CJX2-1854 is a four-pole AC contactor model. It is a commonly used electrical device for controlling the on-off of a circuit.
The four levels of the model number mean that the contactor can switch on or off four phases of current at the same time.CJX stands for “AC contactor”, and the numbers that follow represent the specifications and parameter information of the product (e.g., rated voltage, operating current, etc.). In this example, CJX2 means that it is a two-pole AC contactor, while 1854 means that it is rated at 185A.
CJX2-1854 is a four-pole AC contactor model with the following advantages:
1. Strong control ability: this contactor adopts double-breakpoint design, which can realise the control and switching of the circuit. It can automatically adjust the current size according to the load condition to ensure the effective use of power.
2. High reliability: CJX2-1854 adopts advanced manufacturing process and technology to ensure the reliability and stability of the product. Its internal structure is compact, the layout of components is reasonable, it is not easy to fail and has a long service life.
3. Low noise: The electromagnetic system of CJX2-1854 is well-designed and adopts low-noise magnetic circuit design and electromagnet material, which reduces the noise generated by contactors and coils and improves the comfort of the working environment.
4. High reliability: Thanks to the advanced technology and reliable components, CJX2-1854 is not prone to short-circuit, overheating and other faults during operation, which improves the stability and safety of equipment operation. At the same time, the product also has a self-diagnostic function, which can alarm and stop the operation in time to avoid accidents when a fault occurs.

Type Designation

Operating Conditions

1. Rated voltage: This contactor is suitable for three-phase power supply of AC 50Hz, 690V or 750V.
2. Wiring method: CJX2-1854 usually adopts three-phase four-wire wiring system, i.e. three phase wires and four zero wires form a circuit for power supply. The current of each phase line should not exceed 10A, and the total load should not exceed 20kW.
3. Breaking capacity: CJX2-1854 has good breaking capacity and short-time overcurrent protection function, can withstand short-time high current impact without damage. Its maximum breaking capacity of 15kA, short-term withstand current up to 30kA.
4. Fixed-time and instantaneous characteristics: CJX2-1854 can be set up for fixed-time and instantaneous two modes of operation. Within the set time (e.g. 1 second), the contactor will automatically cut off the circuit; while in the instantaneous mode, when there is a fault or abnormal situation in the power grid, the contactor will trip immediately to protect the safety of the equipment.
5. Self-locking function: CJX2-1854 is equipped with self-locking function, i.e., a spring device is used to lock the position of the contactor in order to prevent malfunction caused by misoperation.
6. Explosion-proof performance: according to the relevant standards, CJX2-1854 should meet the requirements of explosion-proof level, and can be used normally in flammable gas, dust and other hazardous environments.

Technical Data

owing to fantastic assistance, a variety of high quality goods, aggressive rates and efficient delivery, we love a very good popularity among our customers. We are an energetic firm with wide market for IOS Certificate High Quality 220V/440/1000V 115-800A OEM Price 380V Contactors 185A Magnetic 500A Contactor LC1-F, As a leading manufacture and exporter, we appreciate a great status inside the international markets, especially in America and Europe, because of our top high-quality and sensible charges.
IOS Certificate LC1-D Contactor and Contactor, Our products and solutions are widely recognized and trusted by users and can meet continuously developing economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!