
Products Description
Core AC is a key component widely used in industrial automation and control systems. It is commonly applied in fields such as electric power, energy, and production equipment to realize automatic on-off control of circuits. Its core function is to quickly switch the circuit on and off by using the principle of electromagnetic induction after receiving an external control signal, so as to ensure the safe and stable operation of the circuit.
Our DT4C AC Relay Iron Core CNC Lathe Processing is manufactured with high-quality materials and advanced technology. It features long service life, fast response speed and high electrical insulation, enabling stable operation in various complex environments and meeting various circuit control requirements in industrial automation systems.
Material Advantages
Electrical Pure Iron Cold Rolled Steel
AC Industrial Control Relay adopts high‑purity electrical pure iron cold rolled steel with extremely low impurity content, high magnetic permeability, and low hysteresis loss. This ensures accurate and stable electromagnetic attraction, eliminates residual magnetic adhesion after power failure, and guarantees reliable control operation.
Cold Rolling Forming and Optimized Soft Magnetic Properties
The pure iron material is formed by cold rolling, featuring a uniform and ordered internal grain structure, excellent soft magnetic properties, and good machinability. It meets the precision processing requirements of AC Power Control Relay, while improving magnetic circuit efficiency and response speed.
Suitable for Core Relay Components
This pure iron cold-rolled steel is specially designed for core relay components. It satisfies the functional requirements of an AC Electromagnetic Control Relay for actuation response, and features good adaptability to stamping and heat treatment, enabling precise matching with the electromagnetic control logic of an AC Industrial Control Relay.

Production Process
Precision Stamping of Pure Iron Coils
Industrial AC Control Relay adopts high-precision CNC punching machines for continuous stamping of electromagnetic pure iron cold-rolled coils. The contours of the iron core, yoke and armature are formed in one step, with strict control over dimensional tolerances to ensure the fitting accuracy and smooth operation of magnetic circuit components.
Vacuum Annealing to Eliminate Processing Stress
The pure iron components of General Purpose AC Control Relay after stamping are immediately sent to a vacuum annealing furnace for heat treatment, which eliminates internal stress caused by cold rolling and stamping, restores the optimal soft magnetic properties of pure iron, and avoids reduced permeability or armature adhesion due to residual stress.
Precise Assembly and Calibration of Magnetic Circuit Components
AC Relay for Industrial Control is accurately assembled by automated assembly equipment, and the magnetic circuit gap is calibrated with special fixtures to ensure consistent suction force of the electromagnetic drive system, guaranteeing the accuracy of the relay's on-off operation from the source.
Full Working Condition Aging Test of Finished Products
After assembly, finished products are connected to an aging test bench simulating industrial AC working conditions for high-frequency on-off and anti-interference tests to eliminate early failure products, ensuring that each AC Control Relay for Industrial Automation can adapt to harsh industrial field environments.

Application Scenarios
Intelligent Manufacturing & Industrial Production Lines
AC Electromagnetic Relay for Control Panel is widely used in automated production lines such as automotive manufacturing, 3C electronics, and food processing. It can control core equipment including servo motors, conveyor belts, and heating devices. With precise response to PLC commands and stable high-frequency operation, it ensures the accuracy and efficiency of processes like automotive welding and food packaging.
Power Distribution & Industrial Control Cabinets
Industrial AC Relay with Magnetic Core Assembly is suitable for high and low-voltage power distribution cabinets and various industrial control cabinets, realizing logic control and signal conversion for high-power equipment. The product is compatible with multi-national voltages and features a modular design for easy installation. It can also be used for a fault alarm to improve the safety of power distribution systems.
HVAC & Building Automation
DT4C Pure Iron Core for AC Industrial Relay is applied to HVAC and automation systems in factories and buildings, controlling equipment such as air conditioners, fans, and water pumps. Featuring moisture resistance, salt spray resistance and low power consumption, it enables precise regulation based on sensor signals to meet energy-saving and stable operation requirements.
Rail Transit & Mining Machinery
Core AC is specially designed for harsh environments such as rail transit and mining machinery, with vibration resistance and wide temperature adaptability. It can stably control ventilation, lighting, hydraulic pumps and other equipment, ensuring safe and reliable operation of rail transit and mining operations.

Contact Us
If you have any requirements concerning the procurement, selection, sample request, or customization of Core AC, or if you wish to obtain further information regarding product details, please do not hesitate to contact us. We will deploy a professional team to provide personalized one-on-one service, develop customized adaptation solutions, and guarantee stable supply, precise selection, and efficient procurement processes.
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