ABB UNS3020A-Z,V3 HIEE205010R0003 Ground Fault Relay
General info
| Manufacture | ABB |
| Item No | UNS3020A-Z,V3 |
| Article number | HIEE205010R0003 |
| Series | VFD Drives Part |
| Origin | Sweden |
| Dimension | 73*233*212(mm) |
| Weight | 0.5kg |
| Customs Tariff Number | 85389091 |
| Type |
Ground Fault Relay
|
Detailed data
ABB UNS3020A-Z,V3 HIEE205010R0003 Ground Fault Relay
The ABB UNS3020A-Z,V3 HIEE205010R0003 Ground Fault Relay is a critical component in electrical systems, designed to detect ground faults and provide protection against damage that can occur when an electrical fault occurs between a live conductor and earth . Ground faults are a common concern in electrical installations because they can lead to dangerous situations, such as electrical fires, equipment damage, and safety hazards for operators.
The UNS3020A-Z Ground Fault Relay is specifically designed to detect ground faults in electrical systems, especially in low-voltage and medium-voltage circuits.
It continuously monitors the current flow in the system, identifying any imbalance or leakage current between the conductors and ground, which may indicate a fault.
It is equipped with an adjustable sensitivity level, allowing it to detect ground faults of varying magnitudes, from small leakage currents to larger fault currents.
The sensitivity adjustment enables flexibility, ensuring that the relay can be tailored to meet the specific requirements of the application.
The relay includes a time-delay function to avoid nuisance tripping caused by transient or temporary ground faults, such as those that may occur during switching operations.
Frequently asked questions about the product are as follows:
-What is the main function of the ABB UNS3020A-Z Ground Fault Relay?
The Ground Fault Relay detects and protects against ground faults by monitoring the electrical system for leakage current. It activates a trip or alarm signal when it detects a fault, helping to prevent electrical hazards.
-How does the sensitivity adjustment work?
The relay sensitivity can be adjusted to detect faults of different magnitudes. Higher sensitivity detects smaller leakage currents, while lower sensitivity is used for larger faults. This ensures that the system responds appropriately to different fault conditions.
-What kind of electrical systems can the ABB UNS3020A-Z Ground Fault Relay protect?
The relay is designed for use in low-voltage and medium-voltage electrical systems, including power distribution networks, industrial plants, generators, transformers, and substations.
