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MCB Welding Line for thermal parts
MCB Automatic Welding Line
Copper wire automatic cutting
parts in the ficture transfer
MCB automatic spot welding

MCB Welding Line for Thermal Assembly - High Efficiency Factory Solution from China Suppliers

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Introducing the MCB Welding Line for Thermal Assembly, a state-of-the-art automated welding line specifically engineered for the meticulous welding of thermal components in miniature circuit breakers. This advanced solution not only guarantees stable welding quality but also enhances production efficiency, making it the perfect choice for manufacturers in China seeking reliable suppliers and high-quality factory equipment for low-voltage circuit breakers and electrical protection devices.

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✅ Comprehensive Thermal Assembly Solution

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✅ Exceptional Production Efficiency

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✅ Minimized Labor and Handling Requirements

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✅ Reliable and Consistent Quality

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    Product Detail

    Equipment Overview

    The MCB Thermal Assembly Welding Production Line is a fully automated turnkey solution designed for manufacturing thermal assemblies in Miniature Circuit Breakers (MCB).

    This production line integrates multiple key processes, including copper wire welding & cutting, bimetal assembly, moving contact welding, arc runner positioning, and terminal welding, to form a complete thermal unit in a continuous and synchronized workflow.

    By adopting advanced resistance welding or medium-frequency inverter (MFDC) welding technology, along with high-precision servo positioning systems, the line ensures strong bonding, accurate alignment, and low electrical resistance across all connections.

    Designed for high-volume manufacturing, the system significantly reduces manual operations, improves production efficiency, and guarantees consistent product quality. It is an ideal solution for manufacturers seeking standardized, automated, and scalable MCB production.

    Main Functions

    • Automatic feeding of copper wires
    • Wire cutting, forming, and positioning
    • Bimetal feeding and assembly
    • Moving contact feeding and welding
    • Arc runner feeding and positioning
    • Terminal feeding and welding
    • Multi-point welding integration (resistance / MFDC)
    • Assembly of complete thermal unit
    • Inline inspection and quality control
    • Automatic unloading of finished thermal assemblies

    Technical Specifications

    Parameter Specification
    Welding Method Medium Frequency Inverter Resistance Welding
    Drive System Servo Cylinder + Linear Guide Rail
    Cycle Time 20–30 pcs/min (depending on model)
    Control System PLC + 7" Touchscreen HMI
    Power Supply AC 380V / 50Hz
    Welding Accuracy ±0.02 mm
    FPY (First Pass Yield) 99%
    OEE 85%
    Certificate CE

    Application Scope

    The equipment is widely used in the manufacturing of:

    • MCB (Miniature Circuit Breaker) manufacturing
    • Thermal component assembly
    • Low-voltage electrical production lines
    • Automated circuit breaker manufacturing

    After-Sales Service & Support

    We are committed to long-term cooperation with full technical support:

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    1-Year Free Warranty
    Covers all non-human damages. Replacement and repair included.
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    Lifetime Maintenance Support
    We offer lifelong technical assistance and spare parts supply.
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    On-Site Installation & Commissioning
    Professional engineers are available to visit your site for setup.
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    Operator Training
    On-site or remote training to ensure your team can run the machine independently.
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    Remote Technical Support
    Quick response via video call, remote control, Email, WhatsApp, and WeChat.

    References & Case Studies

    tf-automatic-mcb-production-line-in-china.jpg
    Our Equipment in China
    tf-automatic-mccb-production-line-in-europe.jpg
    Our Equipment in Europe

    Frequently Asked Questions (FAQ)

    What components are included in the thermal assembly?
    Copper wire, bimetal strip, moving contact, arc runner, and terminal.
    Is this a full production line or a single machine?
    It is a fully automated production line integrating multiple processes.
    What welding technology is used?
    Resistance welding or MFDC welding depending on configuration.
    Can the line be customized?
    Yes, it can be tailored to different product designs and production capacities.
    Does the line support high-volume production?
    Yes, it is designed for continuous, high-efficiency manufacturing.
    What certifications does this equipment hold?
    The MCB Thermal Assembly Welding Production Line holds CE certification, meeting international safety and quality standards.

    Talk to our team today

    Interested in this machine? Get technical details, layout drawings, or a customized quote today!

    contact us