ABB RET670 1MRK004816-AB Product Introduction
Product Description
The ABB RET670 1MRK004816-AB is an advanced protection and control relay, specifically engineered for high-voltage transmission lines and substation applications. It integrates comprehensive protection, monitoring, and control functionalities to safeguard critical power system components, including transmission lines, transformers, and busbars, against faults such as short circuits, overloads, and earth faults. This relay is widely used in utility grids, industrial power networks, and renewable energy plants, where reliable operation and rapid fault response are essential to maintain grid stability, minimize downtime, and prevent equipment damage. Equipped with intelligent algorithms and flexible communication capabilities, it supports real-time data analysis, remote operation, and seamless integration with SCADA systems, making it a versatile solution for modern power system management.
Technical Parameters
- Operating Voltage: 110 ~ 240 V AC/DC, compatible with diverse power supply configurations in substations.
- Power Consumption: ≤ 20 W, ensuring energy-efficient operation.
- Protection Functions: Distance protection, overcurrent protection, earth fault protection, and breaker failure protection, covering a wide range of fault scenarios in transmission systems.
- Measurement Accuracy: Current and voltage measurement accuracy class 0.2, ensuring precise data collection for monitoring and control.
- Communication Interfaces: 2 x Ethernet ports (10/100 Mbps), 1 x RS485 port, supporting protocols such as IEC 61850, Modbus TCP/IP, and DNP3.0 for seamless data exchange with control systems.
- Digital Inputs/Outputs: 20 digital inputs, 12 digital outputs (relay contacts), facilitating connection with external devices and control circuits.
- Operating Temperature Range: -25 ~ 70 °C, suitable for harsh environments in high-voltage substations.
- Storage Temperature Range: -40 ~ 85 °C, maintaining integrity during storage and transportation.
- Relative Humidity: 5% ~ 95% (non-condensing), resistant to moisture-related issues.
- Response Time: ≤ 8 ms for fault detection, ensuring rapid protection actions to minimize fault impact.
- Dimensions (L × W × H): 150 mm × 190 mm × 135 mm, compact for installation in relay panels.
- Weight: Approximately 1.4 kg, lightweight for convenient handling and mounting.
- Mounting Type: Panel mounting, compatible with standard relay panel setups.
- Certifications: IEC 61850, IEC 60255, CE, complying with international standards for power system protection.
The ABB RET670 1MRK004816-AB is available for global sale, covering all major power transmission and distribution markets. Orders are processed promptly, with delivery guaranteed within 3 days, ensuring quick integration into your power protection systems to enhance operational reliability.
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