Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 1MRK004816-AB |
| Series | RELION 670 |
| Working Voltage | 24V DC |
| Output Current | 10A |
| Relay Rating | 5A @ 24V DC |
| Contact Configuration | Single-pole double-throw (SPDT) |
| Temperature Range | -25°C to +70°C |
| Dimensions | 50mm x 30mm x 20mm |
| Weight | Approximately 50g |
| Enclosure Rating | IP20 |
| Communication Interface | RS-485 Modbus |
| Operating Frequency | Up to 10 kHz |
| Relay Life | Over 10 million operations |
| Installation Method | Panel mountable |
Key Features & Functions
- Advanced Protection Functions:
- Overcurrent protection
- Undervoltage protection
- Overvoltage protection
- Ground fault protection
- Differential protection with harmonic restraint
- Fast and selective protection for transformers, generators, and other electrical equipment
- Monitoring and Control:
- Real-time monitoring of electrical parameters
- Event recording and alarm functions
- Remote monitoring and control capabilities
- Support for multiple communication protocols
- Communication Protocols:
- Modbus RTU/TCP
- IEC 61850
- DNP3
- Ethernet (via optional interfaces)
- High Reliability and Durability:
- Designed for harsh industrial environments
- High immunity to electromagnetic interference (EMC)
- Compact and lightweight design for easy installation and maintenance
Application Scenarios
- Power Systems:
- Protection of transformers, generators, and transmission lines
- Monitoring and control of power distribution systems
- Protection of industrial motors and electrical equipment
- Industrial Automation:
- Integration with SCADA systems and industrial control systems
- Used in manufacturing, process industries, and building automation
- Suitable for robotic and automated control systems
- Renewable Energy Systems:
- Protection of wind and solar power generation systems
- Monitoring and control of inverters and grid-connected systems
Supported Industrial Protocols
The ABB 1MRK004816-AB supports the following industrial communication protocols:
- Modbus RTU/TCP: For serial communication with other devices and systems.
- IEC 61850: For digital substation communication.
- DNP3: For power system monitoring and control.
- Ethernet: For high-speed data transmission and network communication.
Scalability and Expandability
The ABB 1MRK004816-AB is designed with excellent scalability and expandability in mind. It supports multiple communication interfaces and protocols, making it easy to integrate with other devices and systems. The modular design allows users to add or upgrade functional modules according to their evolving needs.
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