GE UR 8AH General-Purpose Relay Module
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13666084105 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | GE Multilin |
| Model | UR 8AH |
| Product Type | CT/VT Module |
| Product Series | Universal Relay (UR) Series |
| Module Function | AC current and voltage signal acquisition for protection, measurement and monitoring |
| Phase CT Inputs | 3 phase CT inputs |
| Ground CT Inputs | 1 ground CT input |
| CT Rating | 1 A / 5 A selectable |
| VT Inputs | 4 voltage transformer inputs |
| CT Configuration | 3 phase CTs + 1 ground CT |
| VT Configuration | 4 VTs |
| Analog Signal Type | AC current and AC voltage |
| Typical Applications | Power system protection, metering, monitoring, fault detection and control |
| Compatible System | GE Multilin Universal Relay systems |
| Configuration Software | EnerVista UR |
| Installation | Modular plug-in installation |
| Operating Temperature | -40°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Input Frequency | 20–65 Hz |
| CT Secondary Rating | 1 A or 5 A |
| VT Secondary Range | 50.0–240.0 V |
| Typical Relay Burden | < 0.2 VA for CT inputs; < 0.25 VA for VT inputs |
| Dimensions | 120 × 30 × 100 mm |
| Weight | 1.15 kg |
FAQ
1. What is the GE Multilin UR 8AH module used for?
The GE Multilin UR 8AH is a CT/VT input module designed for Universal Relay systems. It provides the relay with analog current and voltage signals from the power system. These signals can be used by the host relay for protection calculations, electrical measurements, fault detection, monitoring and control functions. The module is particularly useful in applications where phase current, ground current and multiple voltage measurements must be connected directly to a GE Multilin UR relay.
2. How many CT and VT inputs does the UR 8AH provide?
The UR 8AH provides three phase CT inputs, one ground CT input and four VT inputs. The CT section can accept 1 A or 5 A secondary current signals depending on the selected configuration. The four voltage inputs allow the relay to acquire the required AC voltage signals for protection and measurement functions.
3. What CT secondary ratings are supported by the UR 8AH?
The CT inputs support standard 1 A and 5 A secondary ratings. The correct rating must match the secondary output of the installed current transformers and the configuration of the host UR relay. Incorrect CT configuration can result in inaccurate measurements or improper protection calculations, so the CT ratio and secondary rating should always be verified before commissioning.
4. What voltage signals can be connected to the UR 8AH?
The module provides four VT inputs for AC voltage measurement, with a specified VT secondary range of approximately 50.0 to 240.0 V. The actual voltage transformer ratio and secondary voltage should be entered correctly in the UR relay settings so that measured values and protection elements are calculated accurately.
5. Can the UR 8AH be used for power system protection?
Yes. The UR 8AH supplies the host Universal Relay with the current and voltage measurements required by many protection functions. Depending on the specific UR relay model and installed software options, these signals can be used for overcurrent, voltage, power, frequency, directional and other protection-related calculations. The CT and VT configuration must be correctly matched to the protection scheme.
6. How is the UR 8AH configured in a GE Multilin UR relay?
The CT and VT characteristics are configured as part of the host UR relay settings. Parameters such as CT secondary rating, CT ratios, VT ratios, nominal frequency and related measurement settings should correspond to the actual power system installation. EnerVista UR software can be used to review and configure these parameters, while the relay interface can also be used for local setting and verification.
7. What should be checked if the UR 8AH current or voltage measurements are incorrect?
Start by checking the CT and VT wiring, terminal connections and transformer secondary circuits. Then verify the CT ratio, 1 A/5 A selection, VT ratio, phase assignments and nominal system frequency in the relay configuration. Incorrect phase connections or reversed CT polarity can also affect calculated quantities and directional protection. If the external wiring and settings are correct, the module and its connection to the UR relay should be inspected.
8. What precautions should be taken when replacing a UR 8AH module?
Before replacing the UR 8AH, the associated protection system should be placed in a safe maintenance condition and the applicable CT and VT circuits should be handled according to site safety procedures. CT secondary circuits require particular care because an improperly opened energized CT circuit can create dangerous voltage. After installation, verify all current and voltage connections, confirm the relay configuration, and perform appropriate secondary injection or functional testing before returning the protection system to service.
GE UR 8AH General-Purpose Relay Module is in stock. Please contact us for a quick quote and competitive pricing.
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13666084105 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Company Introduction
Xiamen Shengruite Trading Co., Ltd. is a company specializing in the supply of industrial PLC spare parts.
We provide high-quality PLC spare parts to customers in the global manufacturing, energy and power, chemical and other fields.
Since its establishment in 2011, after 13 years of rapid development, the cumulative global shipments have reached 223,650 pieces, with an annual output value of US$50 million.
Successfully served more than 500 customers in more than 100 countries and regions including Saudi Arabia, UAE, the United States, Europe, Africa, and Southeast Asia
Our Mission
Provide customers with the best quality PLC spare parts and the fastest delivery service to ensure that their industrial automation systems are always in the best operating condition.
We provide a 1-year warranty service, and we support returns and exchanges for any issues to ensure your rights and interests are fully protected.
We can provide detailed product images upon request, and our team can arrange warehouse photos for confirmation to ensure you have all the information you need before making a purchase.
Shipping times vary depending on your location. With the support of our 16 global warehouses, we strive to deliver orders as quickly as possible. Contact us to get an estimated delivery time for your specific location.
The minimum order quantity (MOQ) is typically one unit. However, for larger orders, please contact us for potential discounts and pricing details.
Yes, we offer competitive pricing for bulk purchases. Please reach out to our sales team with the specifics of your order to receive a custom quote.
We accept various payment methods for wholesale orders, including bank transfers (T/T), letters of credit, and other options upon agreement. For large transactions, please contact us directly for payment terms.
Yes, we offer flexible ordering options for both small and large quantities. Whether youre looking for a single unit or a large batch, we can accommodate your needs.
We occasionally offer promotional discounts for new wholesale customers. Contact us to learn more about any current offers available for first-time buyers.
If you are unsure of compatibility with your existing setup please provide your system details and our support team can verify compatibility prior to purchase.
Returns are accepted within 30 days if the product is unused, unopened, and in its original packaging. Please note that return shipping and associated costs are the buyer\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\’s responsibility.
Yes, we offer technical support for the installation and integration of our products. Our team can assist with setup, configuration, and troubleshooting to ensure a smooth installation.
