Latching Relay Part

6J13 Manganese Copper Shunt
Material: T2Y2 Pure Copper + Manganese Copper
Resistance Value Tolerance: ±5%
Process: Electron Beam Welding (EBW), Stamping
Aging: 10 hours at 120°C
Power Loss: <50 milliwatts
Termination: Integrated lead wires are available

This manganese copper shunt features excellent resistance, stability, and temperature coefficient consistency, playing a key role in current measurement and energy metering.

Product Advantages:

Stable resistance value and low temperature drift coefficient;

Electron beam welding ensures low contact resistance at the copper-manganese copper interface.

Long-term aging ensures stable electrical performance.

Suitable for new energy applications such as prepayment energy meters, AMR systems, automatic control systems, compound switches, new energy vehicle chargers, and photovoltaic energy storage.

Customization: Manganese-copper shunts or busbar assemblies with various structures and resistance specifications can be customized according to customer drawings or samples.

Cap Contact
Cap contacts are used to mate the moving and static contacts of relays, ensuring low arc loss and reliable switching during latching and release.

Product Features:

Made using a special internal oxidation process, the AgSnO2In2O3 silver alloy offers excellent conductivity and wear resistance, as well as strong arc extinguishing and arc resistance.

Low arc erosion makes it suitable for frequent switching environments.

Customizable shapes (flat, hemispherical, and stepped caps) are available to match various magnetic latching relay structures.

Moving Terminal
Moving terminals are the internal conductive and transmission bridge components of relays, requiring high elasticity and low impedance.

Precision stamped from Beryllium Copper or Beryllium Alloy Strip. Material Characteristics and Advantages:

Beryllium copper contains 0.2% to 2.8% beryllium and exhibits high strength, high conductivity, high fatigue limit, and corrosion resistance.

Solution aging heat treatment achieves the optimal balance of strength and conductivity.

Spark-resistant, suitable for precision electrical equipment.

Excellent elastic recovery and anti-wear properties ensure stable contact closure and precise operation.

Typical Applications:
Beryllium copper stamping parts are widely used in thermostats, micromotors, relays, computer connectors, switch reeds, and automotive electronics.

Braided Wire Welding Assembly
This assembly utilizes a flexible wire welded to a copper terminal structure and is used for the current path and pull-in system within magnetic latching relays. Technical Features:

Highly flexible braided wire structure withstands repeated magnetic attraction.

Welding processes, such as soldering or resistance welding, provide a short conductive path and low heat loss.

Effectively reduce the impact of mechanical vibration on electrical performance;

To ensure consistent conductivity, temperature rise stability, and mechanical durability across all latching relays, XIAMEN APOLLO utilizes differentiated material systems and matching processing techniques for different components. The following describes the material properties and manufacturing processes for each key component.
 

1. Manganese Copper Shunt
Base Material Structure:
A bimetallic composite structure of T2Y2 pure copper and Manganese copper is used. T2Y2 pure copper offers high conductivity, while Manganese copper offers low temperature drift and highly stable resistance. The two are firmly bonded using electron beam welding (EBW), achieving a perfect balance of electrical performance and mechanical strength.

Manufacturing Process:

Process Combination: Electron Beam Welding (EBW) + Precision Stamping;

Heat Treatment: 120°C × 10-hour aging to ensure stable resistance;

Electrical Performance: Resistance tolerance ±5%, power consumption <50 mW;

Optional Termination: Integrated Lead Wire.

Product Features:

Extremely low copper-manganese copper interface contact resistance, stable current transmission;

Highly consistent temperature coefficient, long-term reliability;

Customizable resistance values ​​and dimensions according to customer drawings or samples.

Typical Applications:

Prepayment energy meters, AMR systems, photovoltaic energy storage modules, new energy charging equipment, etc.

2. Cap Contact
Material Composition:
AgSnO₂In₂O₃ silver oxide alloy produced by the internal oxidation method combines excellent conductivity, welding resistance, and strong arc extinguishing capability, making it an ideal contact material for high-frequency switching applications.

Manufacturing Process:

Moulding Method: Cold extrusion or precision stamping;

Welding Process: Resistance welding or laser welding is available for secure assembly.

Surface Treatment: Silver plating, nickel-under-silver plating, and other options available.

Customizable Shapes: Flat, hemispherical, and stepped caps.

Product Advantages:

Minimal arc erosion and long contact life;

Usable for a variety of latching relay structures and current ratings.

Applications:

Used in industrial relays, power relays, smart meters, and new energy control modules.

3. Moving Terminal - Highly Flexible and Conductive Core Component
Material Selection:
Made from Beryllium Copper (CuBe₂), a high-performance copper alloy, precision-stamped and heat-treated for strengthening. Known as the "elastic king" of copper alloys, Beryllium Copper offers an excellent balance of strength, conductivity, and fatigue resistance, making it a key material for reliable operation and precise conduction in relays.

Material Characteristics and Advantages:

High Strength and High Conductivity: After heat treatment, the strength can reach 1300 MPa, and the conductivity is ≥20% IACS.

Excellent Elasticity and Fatigue Resistance: The elastic recovery rate is ≥95%, ensuring no deformation during long-term operation.

Wear and Corrosion Resistance: Nickel/Silver plating enhances corrosion and oxidation resistance.

Anti-Sparking: Non-magnetic and non-sparking, suitable for high-safety relay environments.

Manufacturing Process:

Precision Stamping + Solution Aging;

Surface Treatment: Nickel, Silver, or Anti-Oxidation Coating;

Customizable Structure: Custom sizes, thicknesses, and end shapes are supported.

Applications:
Suitable for high-precision electrical equipment such as latching relays, thermostats, automotive electronic connectors, and micro switches.

4. Braided Wire Welding Assembly
Structure:
Composed of a highly conductive copper braided wire and copper terminals, connected by soldering, resistance welding, or laser welding, it provides a flexible bridge between the internal current path and the pull-in system of a latching relay.

Manufacturing Process:

Braided Structure: Woven with multiple strands of fine copper wire for exceptional flexibility.

Welding Methods: Soldering, resistance welding, and laser welding are available.

Surface Treatment: Silver or tin plating for improved oxidation resistance and solder joint reliability;

Flexibility Test: Conducts stably after ≥50,000 flex cycles.

Product Features:

Excellent flexibility, strong vibration resistance, and adaptability to high-frequency magnetic attraction;

Low contact resistance and low heat generation;

Compact structure, suitable for small high-power relays.

Beryllium copper is known as the "elastic king" of copper alloys. Its unique material properties provide reliable mechanical resilience and electrical stability for latching relays. Key features include:

High strength, high hardness, high conductivity, and high elasticity;

Wear resistance, fatigue resistance, corrosion resistance, and thermal shock resistance;

Non-magnetic and non-sparking, suitable for high-safety electrical equipment;

Heat treatment achieves both high strength and high conductivity.

Applications:
Used in the manufacture of relays, thermostats, electronic connectors, automotive electronic components, brush pins, electrodes, molds, and explosion-proof tools.

XIAMEN APOLLO boasts automated stamping and electron beam welding production lines, vacuum heat treatment equipment, and precision testing systems to ensure the stable performance of every latching relay component under high load conditions.

Quality System:

Strictly adheres to ISO9000, IATF16949, RoHS, and REACH standards;

Full-process SPC control;

Resistance and temperature rise testing;

EB weld joint strength and metallographic analysis;

100% dimensional and electrical property testing.

Smart Energy Meter

Prepayment Energy Meter

AMR System

Automatic Control / Compound Switch

Industrial Power Measurement and Control Module

XIAMEN APOLLO provides customized magnetic latching relay component design and manufacturing services, supporting:

Manganese copper shunt resistance design and thermal stability evaluation;

Relay terminal mechanical strength simulation;

Beryllium copper stamping part elasticity curve and life testing;

Welding and assembly process optimization solutions.

OEM/ODM: We accept customer drawings and prototype development, providing rapid prototyping and mass production.

Free Samples: We can provide 10–50 samples for testing and verification.

Lead Time: 3–5 days for samples, 7–10 days for orders.

Production Capacity: Up to 300,000,000 pieces per month. Packaging: Inner plastic bag/box + outer carton/pallet.
Payment Term: T/T, L/C (USD/EUR/RMB).

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