UR6NH | GE UR Series CT/VT Input Module for Power Systems

GE Multilin UR6NH Digital I/O Module – Product Description

Overview / Product Summary

The GE Multilin UR6NH is a CT/VT input module for UR Series Universal Relays, designed to provide precise analog signal conditioning. It converts current and voltage inputs from CTs and VTs into accurate digital values, ensuring reliable protection, metering, and monitoring. Moreover, this module maintains stable relay performance in generators, transformers, motors, and transmission line applications. Its rugged design supports demanding industrial environments.

Technical Specifications

Attribute — Specification
Model Number — UR6NH
Type — CT/VT Input Module
System Compatibility — GE Multilin UR Series 
Functions — Accepts CT and VT signals, converts them to digital values
CT Inputs — 1 A or 5 A nominal (configurable)
VT Inputs — Standard secondary voltage inputs (typically 67–120 V AC)
Accuracy — ±0.2% for metering; protection-grade accuracy
Isolation — Galvanic isolation between inputs and CPU
Weight — 0.7 kg
Dimensions — Standard UR chassis module size (6 × 4 in)
Operating Temperature — –40 °C to +70 °C
Storage Temperature — –40 °C to +85 °C

FAQ

Q1: What is the primary purpose of the UR6NH module?
It conditions CT and VT signals, converting them to accurate digital values for UR relays.

Q2: Can UR6NH handle multiple input channels?
Yes, it supports multiple CT and VT channels for flexible deployment.

Q3: Is the UR6NH module suitable for harsh industrial environments?
Yes, it operates reliably from –40 °C to +70 °C with a rugged design.

Q4: Which relays are compatible with the UR6NH module?
It is compatible with all GE Multilin UR Series relay chassis.

Q5: What level of measurement accuracy does UR6NH provide?
The module ensures ±0.2% accuracy for metering and protection-grade measurements.