DT4C Iron Core For Latching Relay
Products Description
The DT4C Iron Core for Latching Relay is far more than a traditional "magnetic conductor." It's a magnetic flux management device that integrates magnetic domain wall motion control theory, magnetic circuit cross-sectional area abrupt change optimization, and remanent magnetization locking mechanism into a single continuous body. Its stepped structure at both ends is not a simple mechanical positioning feature, but a precise topology based on reluctance gradient design. The abrupt change in step diameter (typically ΔD/D≈0.15-0.20) creates a step-like distribution of reluctance in the axial direction. When the coil excitation current is removed, this step reluctance, combined with the material's low coercivity (Hc<40A/m), locks the magnetic flux density in the working air gap within a narrow band of 0.8-1.2T, achieving magnetic state memory without holding current. The ingenuity of this magnetic circuit design lies in the magnetic flux concentration effect formed at the step root, which increases the local magnetic induction intensity by 15-20%, while the 45° chamfer (not a right angle) in the step transition region reduces the edge leakage flux coefficient from 0.18 to 0.08, improving energy conversion efficiency by 12%.
Product Features
Stepped Structure Design
The DT4C core employs a stepped structure at both ends, ensuring uniform magnetic flux distribution, improving relay engagement efficiency and holding force stability, while reducing electromagnetic losses. This stepped structure design also optimizes the stress and temperature distribution of the core, effectively extending relay life.
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High-Performance Materials
Utilizing carefully selected high-permeability soft magnetic alloy materials, the core exhibits low coercivity and low losses, ensuring excellent performance during high-frequency operation and prolonged engagement. Furthermore, the material is corrosion-resistant and oxidation-resistant, suitable for various industrial environments.
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High market share
Benchmarking machinery has great influence,covering 1,500 companies and 15 well-known enterprises across the country
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Perfect product system
Electronic + technology solutions,complete product architecture system
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Efficient after-sales service
To provide customers with a range of product services,24 hours online
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Material Advantages: Exclusively Compatible with DT4C Super Electrical Pure Iron
| Superior Magnetic Performance | Ultra-low coercivity and high permeability ensure rapid magnetic field response and efficient conduction, reducing magnetic energy loss and adapting to the bistable operating mechanism of magnetic latching relays. |
| Guaranteed Material Purity | Strict control over the content of impurities such as carbon and sulfur enhances magnetic performance stability and avoids magnetic circuit distortion caused by impurities. |
| Excellent Machinability | Good adaptability to stamping, grinding, and annealing processes, allowing for precise machining of double-step structures to meet precision dimensional requirements. |
| Strong Environmental Resistance | After special surface treatment, it possesses excellent rust and corrosion resistance, suitable for complex environments such as outdoor and industrial settings. |
| Compliance Guarantee | The material complies with RoHS and REACH environmental standards and has passed international electrical material certifications, meeting global market procurement compliance requirements. |
Application Advantages: Building the Foundation for Energy and Control in Critical Sectors
Smart Meters and Advanced Metering Architectures (AMIs)
As the core of the load switch within the meter, extremely low standby power consumption (microamps) and at least 100,000 reliable operations are required. Our Latching Relay Iron Core is the key guarantee for achieving this ultra-low power consumption and ultra-high reliability.
Photovoltaic Power Generation Systems and Energy Storage Management (ESS)
In the DC-side switching of solar inverters and the loop control of energy storage batteries, relays are required to withstand large DC currents without overheating and self-holding. Our Core for Latching Relay's optimized magnetic circuit and low-loss characteristics ensure stability and safety under DC conditions.
Smart Homes and Building Automation
Used in smart circuit breakers and central control modules. Quiet operation (low noise), long lifespan, and adaptability to frequent remote control operations are required. The precision design of our Pure Iron Core for Electric Meter Relay delivers smooth, quiet engagement and sustained performance.
Automotive Electronics and New Energy Vehicles
Used in Battery Management Systems (BMS) and charging control modules. Facing the wide temperature range, severe vibration, and high reliability requirements of the automotive environment, our materials and processes offer excellent environmental adaptability and performance robustness.
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