Relay Core
As an industry leader, Xiamen Apollo provides a wide range of Relay Core products, including Grooved Core for AC Relay, EV Relay Core, Latching Relay Iron Core, DT4C AC Relay Iron core, with strict quality control to meet diverse electrical connection needs, relying on advanced production equipment and professional technical team.
Your Professional Relay Core Supplier
Xiamen Apollo Electric Co.,Ltd was established in 1990, focus on and professional in the manufacturing of Electric Silver Contacts and related products. The main products include Silver Contact Rivets, Silver Contact Tips, Contact Riveted Assemblies, Contact Welded Assemblies, Tungsten Contacts, Relay Cores, Metal Stamping Parts, Metal Welding Parts etc. The electrical accessories products are widely used in low-voltage electrical appliances such as Relays, Switches, Contactors, Circuit Breakers, Controllers, Timers, Thermostats and so on.
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![Relay Core]()
Relay CoreXiamen Apollo provides high-reliability Relay Core solutions: Automotive Relay Core; Latching Relay Iron Core; Grooved Core for AC Relay; and EV Relay Core. The entire series has passed ISO...read more -
![Automotive Relay Core]()
Automotive Relay CoreWith the increasing integration of automotive electrical systems and ever-improving functional safety requirements, relays are no longer simple switching components. Instead, the Automotive Relay...read more -
![Latching Relay Iron Cores]()
Latching Relay Iron CoresIn the fields of energy management, smart meters, and industrial control, magnetic latching relays have become the industry standard due to their ultra-low power consumption and high reliability....read more -
![Grooved Cores For AC Relay]()
Grooved Cores For AC RelayIn industrial automation and AC control systems, the stability of relays directly determines the operating efficiency of the entire production line. Addressing the unique challenges of AC relays,...read more -
![EV Relay Core]()
EV Relay CoreIn the powertrain architecture of new energy vehicles, high-voltage relays (HV relays) act as the safety guardians between the battery management system (BMS) and the motor controller. As the...read more -
![Soft Magnetic Iron Relay Core]()
Soft Magnetic Iron Relay CoreProducts Description The Soft Magnetic Iron Relay Core is not merely a standard machined iron component; rather, it is a functional soft magnetic part manufactured from high-purity electrolytic...read more -
![Relay Core And Iron Core For Relay]()
Relay Core And Iron Core For RelayIn the field of electromagnetic relay core components, the performance of the Relay Core and Iron Core for Relay directly determines the relay's response speed, stability, and lifespan. As a...read more -
![Relay Rod]()
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![Nickel Plating Relay Core]()
Nickel Plating Relay CoreThe Nickel Plating Relay Core is a critical magnetic circuit component inside the relay, primarily responsible for focusing and conducting magnetic flux to control the closing and opening of...read more -
![Stamping Core For New Energy Relay]()
Stamping Core For New Energy RelayXiamen Apollo Electric Co., Ltd. specializes in the manufacturing of core components for relays, supplying high-quality Stamping Core for New Energy Relay. The products are made of high-purity...read more -
![DT4C AC Relay Iron Core CNC Lathe Processing]()
DT4C AC Relay Iron Core CNC Lathe ProcessingThe DT4C AC Relay Iron Core CNC Lathe Processing is a key magnetic component in the fields of power electronics and automation control. This product features a slotted design and riveted copper...read more -
![Core AC]()
Relay Cores are pivotal electromagnetic components featuring a high-permeability ferromagnetic core (soft iron/silicon steel), enamel-insulated copper coil windings, and precision-engineered contact mechanisms. Core laminations are precision-stamped to minimize eddy current losses, while automated winding (0.05–0.5mm wire diameters) and epoxy encapsulation ensure thermal stability and mechanical resilience. Silver/gold-plated alloy contacts (e.g., AgNi, AgSnO₂) are brazed/welded to the armature for low contact resistance and arc resistance. Low power consumption (50–500mW), rapid switching (<10ms), and over 1 million cycle lifetimes make them reliable for applications like industrial motor controls (PLC systems), automotive ECU relays (battery management), smart home devices (thermostats), and renewable energy inverters. Rugged designs with IP20–IP67 ratings and temperature tolerance (-40°C to +125°C) suit harsh environments, balancing efficiency, durability, and precision for critical on/off circuit control in diverse electronic systems.
Why Choose Us
Successful Industry Experiences
Xiamen Apollo has in-depth cooperation with Chinese and foreign low-voltage electrical appliance manufacturers and have accumulated a lot of successful industry experiences and future product development trends.
Professional Team
We have a professional and experienced technical development group.
The members in our group are willing to design and manufacture products with both standard and customized specifications.
Foreign Trade Market
Our main market is Europe,Middle East,South America,Africa and Asia.
Quality Control
All of our products must be 100% tested to ensure the functionality, reliability, security and durability before shipment.
Relay Core Specifications
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Outside Diameter |
Φ4~Φ10 |
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End Shape |
Flat ends |
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Material |
DT4C/DT4 |
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Surface treatment |
Electroless nickel plating，BRIGHT NICKEL |
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Coercive force |
＜48 |
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Manufacturing Process |
Wire drawing, forming, lathe processing, burnishing, demagnetize, Surface Treatment , inspection, packaging |
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Advantage |
High quality ,competitive prices ,first-class fully automatic production equipment ,safe package and prompt delivery |
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Application |
Iron core is an important component in relays, mainly used to concentrate magnetic fields and enhance electromagnetic induction strength. By designing the shape and size of the iron core reasonably, the sensitivity and response speed of the relay can be improved |
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Certifications |
ISO9001,IATF16949,ROHS,SGS,REACH |
Key Features
Electrical conductivity
Electronics, electrical equipment, and power transformers use relay core in various applications because of its excellent magnetic conductivity.
Magnetically soft material
Because of its magnetic qualities, pure iron is ideal for electromagnets and transformers.
High permeability
Because of how well pure iron can channel magnetic lines of force, it has a very high magnetic permeability.
Low eddy current loss
The eddy current loss in electrical systems wastes energy as heat because of currents circulating within the metal core.
Materials
Silicon Steel
Silicon steel is the most-used material for relay cores due to the wide availability of the silicon content, which drastically raises the steel's electrical resistivity and permeability.
Soft Iron
Soft iron is a highly permeable material with low resistivity, available for relay cores, especially where quick magnetic fields need to be formed and easily reversed.
Copper
Copper is the most conductive material for wiring used on relay cores. It has high electrical and thermal conductivities, making it very efficient for heat dissipation and current conduction through the coil.
Ferrite
Ferrite materials, like manganese and zinc oxides, can be mixed with iron, producing a type of electromagnetic relay core with excellent high-frequency insulation properties.
Types of Relay Cores Available
Cylindrical Core
In a cylindrical shape, the pure iron core is often used in electromagnets or coil systems. The continuous iron rod can be in long pieces or pads, and it is also ideal for application because of its uniform magnetic field.
Cubic Core
While less common than cylindrical cores, cubic pure iron cores may be used in specific applications where a more compact design is needed.
Laminated Pure Iron Core
The laminated iron core consists of thin, iron sheets stacked together to reduce energy loss. This is applied where pure iron is used, which minimizes eddy current formation.
Toroidal Pure Iron Core
This doughnut-shaped core is made of pure iron and is used in reducing electromagnetic interference, especially in sensitive electronic equipment.
Applications
Applications
The core magnetic materials ensure these automotive relays switch reliably, handle varying loads, and increase safety features like locking and alarms.
Industrial Automation
In industrial machinery, relay cores are extensively applied in controlling motors, pumps, and other equipment under different loads.
HVAC Systems
HVAC systems depend on relay cores for compressor and fan control to maintain desired temperatures.
Telecommunications
In telecommunications, relay cores have signal routing and switching functions. They help maintain signal integrity and reliability over long distances.
Our Services
Directly manufacturing factory with competitive price and quality control, we check all material when we start to bulk productions.
Professional advice to help you purchase the products you wanted
Professional export service team servers in the deal.
Customization service is available, OEM business is appreciated.
We will inspect and test all products material carefully to ensure no damage and lost.
The success of our cooperation can be guaranteed for our company is a credible and honest partner.
FAQ
We're professional relay core manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to buy high-grade relay core from our factory.
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