Products for Power Systems and Substation Automation
Menu
search
    RU

    We use cookies to personalize and improve the usability of our website. By using our website, you agree to our use of cookies. To get acquainted with the principles of their processing. To get acquainted with the Privacy Policy.

    ECIT-3

    ECIT-3 is a family of single-phase combined current and voltage instrument transformers designed for medium-voltage applications (from 3 to 35 kV). Featuring digital outputs, ECIT-3 serves as a data source for measurement, protection, and automation devices.

    for medium-voltage electrical installations from 3 to 35 kV

    ECIT-3

    Open image

    Hover over to see the location

    • Primary contacts
    • 2 × Ethernet 100Base-TX(FX)
    • Power circuits and time synchronization
    ECIT-3-left

    Open image

    Hover over to see the location

    • Primary contacts
    • Power circuits and time synchronization
    ECIT-3
    ECIT-3-left

    Modification ECIT-3-

    20-50(1250)

    35-50(630)

    Voltage Class

    up to 20 kV

    up to 35 kV

    Rated primary current, In

    50 A

    50 A

    Current accuracy class

    0.5S/5PR500

    0.5S/5PR500

    Rated primary current up to

    1250 А

    630 А

    Rated short-time thermal current, Ith

    25 kA/1 s

    25 kA/1 s

    Rated dynamic current, Idyn

    63 kA

    63 kA

    Rated primary voltage, Upr,
    Voltage accuracy class

    (3...22)/√3 kV, 0.5/3P

    (6...36)/√3 kV, 0.5/3P

    Rated primary voltage up to, Um

    24 kV

    40.5 kV

    Rated lighting impulse withstand voltage

    125 kV

    190 kV

    Rated short-duration power frequency withstand voltage (1 min)

    50 kV

    80 kV

    Sampling rate, Hz

    14400, 12000

    Interfaces

    2 × 100Base‑TX (FX LC MM), RSTP, IEC 62439-3 PRP

    Protocols

    IEC 61850-9-2: 2 × SV (4800, 14400 fps), optional SP (50...4800 fps),
    IEEE C37.118.2 (1...400 fps), IEC 61850-8-1 GOOSE, IEC 60870‑5‑104, Modbus TCP, web interface

    Binary output

    140 VAC 0.46 A, 30 VDC 1 A, switching time 5 ms

    Time sync

    PTPv2 (IEC 61850-9-3), IRIG-A (RS-485)

    Disturbance recording

    10 records (1+4 s), sampling rate 2400 or 2000 Hz

    Relay protection

    PVOC, PIOC

    Optional

    Extended protection and automation suite: PVOC/PDOC, PIOC, SARC, PTEF/PDEF, PTUV, PPBR, RBRF, Busbar Blocking logic, Dead/Live line detection

    Publication SP, merging SP

    Three-phase energy metering

    Power supply

    18...36 VDC, 10 W

    Operating conditions

    -45(-50)…+50(+60) °С, RH — up to 98 % (+25 °С), 84…106.7 kPa, 1000 m above sea level

    Design

    dimensions, mm

    weight, kg

     

    240 × 98 × 236

    ≤ 2,5