ABB RET670 1MRK004816-AC | Digital Protection Module
Manufacturer: ABB
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Part Number: RET670 1MRK004816-AC
Condition：New with Original Package
Product Type: Digital Protection Module
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Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Description
The ABB RET670 (1MRK004816-AC) is a high-performance protection relay designed for transformer applications in high-voltage substations. It supports both 2-winding and 3-winding transformer protection, offering a wide range of protective functions such as differential, overcurrent, voltage, frequency, breaker failure, and restricted earth fault protection. Moreover, the RET670 integrates seamlessly into IEC 61850-based digital substations, supporting redundant Ethernet, GOOSE messaging, and sampled values for fast and reliable fault detection. Its graphical LCD and keypad enable intuitive configuration and monitoring, while compliance with international standards ensures dependable and safe operation in mission-critical environments.
Technical Specifications
| Attribute | Specification |
|---|---|
| Model | RET670 |
| Part Number | 1MRK004816-AC |
| Series | RELION® 670 series |
| Application | Transformer protection (2-winding and 3-winding) |
| Protection Functions | Differential, overcurrent (instantaneous and time-delayed), voltage, frequency, breaker failure, restricted earth fault, inrush, overexcitation |
| Communication Protocols | IEC 61850, Modbus, DNP3, IEC 60870-5-103 |
| Interfaces | Dual Ethernet (redundant), serial ports |
| Time Synchronization | SNTP, IRIG-B |
| Mounting | 19-inch rack or flush panel |
| Power Supply | 24–250 V DC / 100–240 V AC |
| Operating Temperature | -25°C to +55°C |
| Standards Compliance | IEC 60255, IEC 61850, ANSI C37.90 |
| Display | Graphical LCD with keypad |
FAQ
Q1: What types of transformer protection does the RET670 provide?
A1: It supports differential, overcurrent, voltage, frequency, breaker failure, and restricted earth fault protection.
Q2: Is the RET670 compatible with digital substation protocols?
A2: Yes, it fully supports IEC 61850, GOOSE messaging, and sampled values integration.
Q3: What communication interfaces are available?
A3: The relay offers dual redundant Ethernet and serial ports for flexible connectivity.
Q4: Can the RET670 operate in extreme temperatures?
A4: Yes, it functions reliably between -25°C and +55°C for industrial conditions.
Q5: How is the RET670 mounted?
A5: It can be installed in a 19-inch rack or flush-mounted in control panels.