GENERAL ELECTRIC UR6CV CT/VT Module

GENERAL ELECTRIC UR6CV CT/VT Module

Feature

8 CT/VT Channels: accepts 1 A / 5 A CT and 67-300 V VT, ±0.2 % accuracy, 256 samples/cycle, 4 ms scan—ideal for line diff, distance or generator protection.
Plug-and-Play: hot-swap 160 × 100 × 25 mm card, auto-detected <5 s; no jumpers, no re-calibration, halves commissioning time.
Wide Temp & Isolation: –40…+70 °C, 2 kV channel-to-ground, 1 kV ch-ch; conformal-coated PCB survives offshore rigs & desert solar plants.
Advanced Comms: on-board IEC 61850-9-2LE process bus, IEEE 1588 time-sync, three Ethernet ports; integrates with any SCADA or DCS straight out-of-box.
Cyber-Secure: CyberSentry™ firmware-signing, role-based access, syslog trap; meets NERC CIP & IEC 62351-6 for utility-grade security.
Global Certs: CE, UL, ATEX II 3 G Ex nA IIC T4 Gc, ABS Marine, SIL 2 suitable; warranty 12 months, worldwide support.

Application

Transmission line current-differential: 8 CT inputs compare local & remote currents, trip in <10 ms on 220 kV feeders.
Generator stator differential & REF: CT cores measure phase & neutral currents; 2nd-5th harmonic restraint blocks inrush, protects 500 MW sets.
Busbar zone protection: multi-card stack samples up to 24 CTs; GOOSE blocking delivers 2 ms bus diff for 132 kV GIS substations.
Industrial in-plant generator: VT inputs track 6.6 kV bus dip, 4-20 mA output drives DCS for FRT compliance during grid disturbances.
Retrofit of ageing UR-6A/6C chassis: identical slot & wiring footprint doubles protection functions without new panels—perfect for 20-year-old turbine control rooms upgrading to SIL-rated standards .

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