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  • Scope of Application

    TXF7GQ-63 Voltage Protector with auto-reclosing function (automatic voltage protector) takes miniature circuit breaker with short circuit overload protection as the main switch, equipped with the ultra-miniature intelligent electric operation device with the relay, to detect the power supply voltage, and to achieve functions of over-voltage or undervoltage trip protection and automatic recovery circuit after voltage recovery, to ensure safe operation of the load device in the normal voltage range. The automatic voltage protector is integrated OUPA, compared with the ordinary split, it eliminates the wiring troubles, without considering the upper and lower wiring problem, more convenient to install. Integrated OUPA has more compact and comfortable shape, is the best choice for high-end residential sites, mainly applied to the occasion of voltage instability or the device protection that is sensitive to voltage changes.
    Automatic voltage protectors meet the JGJ242-2011 "Design codes for residential buildings" and "Over-voltage and under-voltage protective device with auto-reclosing function (OUPA) standards." The series automatic voltage protectors have compact size, high breaking capacity, more reliable action, human-computer interaction interface of good performance.

    Model and meaning

    Product features

    1. The overall use integrated design structure, 35mm standard rail to fix, to quickly install, repair or replace for customers;
    2. Detect voltage with the relay for opening and closing operation, to protect too low or too high circuit voltage;
    3. Fast and reliable opening-closing operation, and the choice of TXB7N-63 miniature circuit breaker platform, high breaking capacity;
    4. 2P/1P+N or 4P/3P+N miniature circuit breakers or the corresponding leakage circuit breakers can be chosen;
    5. Over-voltage protection, overload and short circuit protection, protection states indication
    6. Co-opted function of automatic voltage protector: leakage protection, remote control, fault alarm

    The main technical parameters

    Wiring mode 1P+N/2P Single-phase
    3P+N/4P Three-phase four-wire
    Rated operating voltage (Un) 1P+N/2P 230V AC / 50Hz
    3P+N/4P 400V AC / 50Hz
    Undervoltage protection value 170V±5V(Recovery value: 190V±5V)
    Undervoltage opening delay Fixed delay T1≤0.1s
    Overvoltage protection value 270V±5V (Recovery value: 250V±5V)
    Overvoltage opening delay Fixed delay T2≤1s
    Self-recovery closing delay Fixed delay T3=10s±2s

    Overload short

    circuit protection type

    B-type(3In<I≤5In)
    C-type(5In<I≤10In)
    D-type(10In<I≤14In)

    Breaking capacity of

    circuit breaker(Icn)

    6KA
    Dielectric strength: 2500VAC 1minute

    Withstand voltage

    level (Uimp):

    4KV
    Mechanical life: 4000 times,3 times/min
    Action time: Opening≤0.2s, closing≤0.5s (No delay)
    Protection class: IP20
    Working temperature: -25°C~60°C
    Air relative humidity: ≤95%

    Fault alarm contact

    characteristics:

    1 normally open,50VDC(200mA)

    (If there is such a feature)

    Action process

    Detect that voltage exceeds

    the undervoltage protection

    value or over-voltage protection

    value, opening after fixed opening delay,

    wait until the voltage recovery,

    automatic closing after fixed

    automatic closing delay

    Indicator light:

    Green constant bright:

    normal operation, closing state

    Red constant bright:

    overvoltage / undervoltage fault

    Outline and installation dimensions


    Keywords: automatic voltage protector

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