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

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

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The MCB Instantaneous Action Characteristic Test Bench is a cutting-edge solution designed for precise testing of the magnetic trip response of miniature circuit breakers (MCBs) under high-current conditions. Manufactured in China, this test bench is perfect for suppliers and factories that prioritize accuracy and reliability in MCB production and quality control processes.

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✅Accurate verification of instantaneous (magnetic) trip characteristics, ensuring compliance with industry standards

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✅High-current output with fast response time, ideal for various testing scenarios in factories

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✅Precise measurement of trip time and action threshold, enhancing quality assurance for suppliers

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✅Automatic data recording and pass/fail judgment feature, streamlining the testing process for manufacturers

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✅Stable performance for long-term continuous operation, making it a reliable choice for Chinese factories

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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:

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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.

    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?
    AIt 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?
    AYes. 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?
    AThe 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?
    AThe test bench supports multiple independent test stations. Each station can operate independently, allowing simultaneous testing to improve efficiency and consistency.
    Q5What international standards does this test bench comply with?
    AThe test bench is designed to meet the requirements of international MCB testing standards, including IEC 60898 and related specifications. Please contact us to confirm compliance with your specific standard requirements.
    Q6Is remote technical support available after purchase?
    AYes. We provide comprehensive remote technical support via video call, remote control, Email, WhatsApp, and WeChat, ensuring quick response and minimal downtime for your operations.

    Talk to our team today

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

    contact us