UR-8FH General Electric Temperature module

Description

UR-8FH General Electric Temperature module

Product Dimensions：

Product Description

The GE Multilin UR-8FH is a CT/VT (current transformer/voltage transformer) module designed to be integrated with GE’s Universal Relay (UR) series. It’s a key component that allows the relay to accurately monitor and control high-voltage and high-current signals by scaling them down to manageable levels. This is essential for protecting electrical power systems and providing critical data for the relay’s operation.

Product Specifications

The UR-8FH is a standard CT/VT module with the following key features:

• Inputs: It includes three CTs for phase current measurements (1A/5A) and one CT for ground current measurements (1A/5A). It also has four VT (voltage transformer) input terminals.
• Channels: The module has two identical channel groups (channels 1-4 and 5-8), providing flexibility for using voltage or contact inputs.
• Compatibility: It is fully compatible with GE Universal Relay (UR) platforms and has a hot-swappable design, which allows for quick and easy replacement without having to take the entire relay offline.
• Physical Specs: The module has dimensions of approximately 15 cm x 18 cm x 4 cm and weighs about 2 lbs, 9 oz.
• Manufacturer: General Electric Multilin, with manufacturing located in Markham, Ontario, Canada.

Key Advantages

The UR-8FH module provides several advantages when used in a GE Universal Relay system:

• Precision and Reliability: It enables high-precision monitoring of current and voltage signals, which is crucial for the protection and control of electrical systems.
• System Protection: By accurately scaling down signals, the module helps the relay perform its protective functions, safeguarding equipment from damage.
• Modular and Flexible: As a plug-and-play module, it allows for easy maintenance and customization. Its design simplifies spare parts management and reduces maintenance costs.
• Data Generation: The module is vital for generating the data needed for the relay’s control, monitoring, and measurement functions.

Important Considerations

• Manuals: Always refer to the specific Universal Relay manuals for detailed connection instructions and warnings before installing or connecting the UR-8FH module.
• Matching Ratings: It’s critical to ensure that the relay terminal connections for the nominal current match the secondary rating of the connected CTs to avoid damaging the system.
• Ground Faults: It’s important to note that the standard UR-8FH module does not have a “sensitive ground” feature for high-impedance grounded systems. If you need this functionality, you would need to use a different module like the UR-8G, UR-8J, UR-8M, or UR-8R.

Product Applications

The UR-8FH module is primarily used in electrical power systems as a component of the GE Universal Relay series. Its main applications include:

• Feeder Protection: Monitoring and protecting distribution feeders.
• Motor Protection: Safeguarding large motors from electrical faults.
• Transformer Protection: Ensuring the safe operation of power transformers.
• Generator Protection: Providing protection for electrical generators.
• Substation Automation: Contributing to the overall monitoring, control, and automation of substations.

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