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GACIA Undervoltage Release

UVT8 Undervoltage Release Professional P Series MCB Accessories

The UVT8 is an undervoltage release accessory for miniature circuit breakers (MCBs). When the supply voltage drops to 35%–70% of the rated voltage, it trips the breaker. Additionally, if power is unstable or lost, UVT8 prevents the breaker from automatically reconnecting to the circuit. A 0.2-second time delay ensures temporary voltage dips do not cause unwanted trips.

The UVT8 is designed to prevent machines from restarting without a control signal, ensuring safe and reliable operation of electrical systems.

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    Key Features

    • Reliable Undervoltage Protection

      - Trips the breaker when voltage falls between 35% and 70% of rated value

      - Protects systems from harmful undervoltage conditions

      - Prevents equipment damage due to insufficient voltage

    • Prevention of Unwanted Reconnection

      - Stops the breaker from automatically reconnecting after power loss

      - Ensures no accidental reactivation during unstable voltage

      - Prevents machines from restarting without proper control

    • Enhanced Stability with Time Delay

      - A 0.2-second delay prevents trips from brief voltage drops

      - Filters out minor fluctuations in voltage

      - Maintains stability by avoiding unnecessary disconnections

    Tech Specs

    Voltage 230V（AC） -（DC） Working Current -
    Rated Frequency 50/60Hz Contact Number -
    Red Mechanical Indication Yes Working Temperature -35~+70℃
    Testing Function -  

    Download

    Catalog
    PDFjmg
    MCB Accessories.pdf
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    FAQs

    • Q1：Can UVT8 prevent machine damage during short-term voltage fluctuations?

      A1：Yes. The built-in 0.2-second delay ensures that temporary voltage dips do not trigger a false trip, protecting machines from unnecessary shutdowns and wear.

    • Q2：Does UVT8 support easy on-site testing without specialized tools?