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MCB Instantaneous Action Characteristic Test Bench.png
MCB Instantaneous Action Characteristic Test Bench.jpg

MCB Instantaneous Action Characteristic Test Bench - High-Current Testing Solutions by China Suppliers and Factory

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The MCB Instantaneous Action Characteristic Test Bench is a premium testing solution for manufacturers in China, designed to accurately assess the magnetic trip response of miniature circuit breakers under high-current conditions. This equipment ensures fast, repeatable, and reliable test results, making it an essential tool for suppliers and factories focused on high-quality production lines and stringent quality control laboratories.

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✅ Precise verification of instantaneous (magnetic) trip characteristics for enhanced reliability

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✅ High-current output with rapid response time to meet production demands

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✅ Accurate measurement of trip time and action threshold for optimal performance

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✅ Automatic data recording and pass/fail judgment streamline testing processes

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✅ Stable performance for long-term continuous operation in industrial settings

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    Product Detail

    🔬 Equipment Overview

    The MCB Instantaneous Action Characteristic Test Bench is a dedicated testing solution for verifying the magnetic (instantaneous) tripping performance of miniature circuit breakers.
    The system applies a controlled high-current impulse to the MCB and accurately measures the trip time and action behavior, ensuring full compliance with international standards.

    Designed for high efficiency, stability, and repeatability, the test bench is suitable for both manual operation and integration into automated MCB testing lines.

    ⚙️ System Configuration

    The test bench typically consists of the following systems:

    🖥️ Control System

    Equipped with an advanced control system and intuitive operation panel, allowing flexible setting of fault modes, test current, and delay time parameters.

    ⚡ Power Supply System

    Provides stable and adjustable voltage and current output to meet the testing requirements of different types and ratings of circuit breakers.

    ⚠️ Fault Simulation System

    Simulates various fault conditions, including overload, short circuit, and grounding, with precise control of fault current and delay time.

    📊 Data Recording System

    Automatically records key parameters such as operating time, fault current, and delay cut-off time, generating clear and traceable test data for analysis and evaluation.

    🛡️ Safety Protection System

    Integrated with multiple safety protections, including overload, over-temperature, and short-circuit protection, ensuring safe operation during testing.

    📋 Technical Specifications

    Parameter Specification
    Power Supply AC 220V ±10%, 50Hz
    Air Supply Pressure 0.2 – 0.8 MPa
    Rated Power 3 kVA per test station
    Maximum Output Current Up to 2000 A per station (configurable)
    Current Display Range 0.01 – 500 A (true RMS value)
    Time Display Range 1 s – 9 h 59 min 59 s
    Timing Accuracy ±0.1%
    Overall Measurement Accuracy ±1.0%
    Waveform Distortion < 3%
    Insulation Resistance > 10 MΩ

    🏭 Application Scope

    • Miniature Circuit Breaker (MCB) manufacturers

    • MCB production line testing stations

    • Quality control and R&D laboratories

    • Automation upgrade projects for low-voltage electrical products

    🤝 After-Sales Service & Support

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

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

    🏆 Why Choose This Test Bench

    🔁Ensures consistent and repeatable test results
    ⚡Improves testing efficiency and reduces manual errors
    🔧Supports multiple MCB ratings and curve types (B / C / D)
    🏭Suitable for mass production environments

    ⭐ Why Choose TF Automation

    🔌Specialized in low-voltage electrical automation equipment
    📐Extensive experience in low-voltage electrical testing solutions
    🛠️Strong customization capability based on customer standards
    📞Reliable technical support and long-term service commitment

    📸 References & Case Studies

    MCB Delay Action Characteristic Test Bench
    MCB Instantaneous Test Bench
    MCCB Magnetic Trip Test Bench
    Thermal Relay Delay Characteristic Test Bench

    ❓ Frequently Asked Questions

    Q1What is an instantaneous action characteristic test for MCB?
    It is a test that verifies the magnetic trip performance of an MCB by applying a high current to ensure fast and correct tripping behavior.
    Q2Can this test bench be integrated into an automatic MCB production line?
    Yes. The test bench is designed to support both standalone operation and integration into fully automated MCB testing and assembly lines.
    Q3Which MCB types are supported?
    The system supports various MCB ratings and curve types, including B, C, and D curves. Custom configurations are available.
    Q4How many test stations does the equipment support?
    The test bench supports multiple independent test stations. Each station can operate independently, allowing simultaneous testing to improve efficiency and consistency.
    Q5What safety protections are built into the test bench?
    The system is integrated with multiple safety protection mechanisms, including overload protection, over-temperature protection, and short-circuit protection, ensuring safe and reliable operation throughout the testing process.
    Q6What kind of after-sales support is provided?
    We provide a 1-year free warranty, lifetime maintenance support, on-site installation and commissioning, operator training, and remote technical support via video call, email, WhatsApp, and WeChat.

    Talk to our team today

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

    contact us