GE Multilin UR-8FH CT/VT Input Module

Product Description

Configured for CT and VT signal acquisition in the GE Multilin UR Series, the GE Multilin UR-8FH (UR-8FH CT/VT Input Module) provides direct electrical interfacing for protection, metering, monitoring, and control functions.

Hardware Specifications

Industrial Control and Signal Interface Characteristics

The UR-8FH provides the relay with physical CT/VT input channels for electrical measurement. These inputs supply the measurement data required by protection, metering, fault recording, and load-monitoring functions.

Furthermore, the module operates as part of the UR Series hardware architecture rather than as a standalone measurement instrument. The relay processes the acquired transformer signals and applies configured protection and control logic.

The supplied specifications state a current operating range of 0.1 - 10 x the CT rating, with +/- 0.5% accuracy specified up to 2 x the CT rating. Programmable timing ranges from 0.10 - 600.00 s, with stated timing accuracy of +/- 3%.

For system integration, installation personnel should verify the installed UR relay configuration, CT/VT wiring arrangement, terminal assignments, and applicable hardware revision before energization.

Frequently Asked Questions (FAQ)

Q: What type of signals does the UR-8FH process?
A: The UR-8FH is specified as a CT/VT input module for acquiring current and voltage transformer signals within GE Multilin UR Series relay hardware.

Q: What current range does the supplied specification identify?
A: The specified operating range is 0.1 - 10 x the CT rating, with +/- 0.5% accuracy stated up to 2 x the CT rating.

Q: Does the supplied data specify power consumption or operating temperature?
A: No. The supplied information does not provide specific power consumption or operating temperature values. These parameters should therefore be verified against the applicable GE hardware documentation.

Field Installation Guidelines

• Verify the UR relay model and hardware configuration before installing the module.
• Confirm CT and VT circuit identification against the approved protection wiring drawings.
• De-energize and isolate applicable circuits before performing wiring or module installation.
• Maintain correct CT polarity and phase identification throughout the input circuit.
• Keep CT/VT signal wiring separated from high-current power conductors where practical.
• Route low-level measurement wiring to minimize electromagnetic coupling and induced noise.
• Apply cable shielding and grounding according to the relay system installation specification.
• Inspect terminals, connectors, and module seating before applying operating power.
• Verify configured CT/VT ratios and measurement scaling before placing protection functions into service.
• Perform functional and secondary-injection testing according to the applicable protection-system commissioning procedure.

Other Attributes

• Series: GE Multilin 350 Feeder
• Country of Origin: USA
• Lead Time: In Stock, 2 Working Days

In Stock Hot Items of The GE General Electric Mark VI 

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