Product Name:

ABB REF601

Product Description:

The ABB REF601 is a digital protection relay designed for the protection and control of medium-voltage power systems. It provides advanced features for monitoring, controlling, and protecting electrical networks, particularly transformers and generators. The REF601 is equipped with various communication options, ensuring seamless integration into existing systems.

Product Parameters and Specifications:

**Protection Functions:**
- Overcurrent protection (IDMT)
- Earth fault protection
- Transformer differential protection
- Distance protection (optional)
- Overvoltage and undervoltage protection
- Frequency protection

**Communication Interfaces:**
- IEC 61850
- Modbus
- DNP3

**Input/Output:**
- Configurable digital inputs and outputs
- Analog inputs for voltage and current measurement

**Measurement Capabilities:**
- Three-phase current and voltage measurement
- Power and energy monitoring
- Harmonic analysis

**Environmental Specifications:**
- Operating temperature range: -40°C to +70°C
- Humidity: up to 95% (non-condensing)

**Dimensions:**
- Standard 19” rack mountable or compact version

**Power Supply:**
- Wide voltage range for AC/DC supply

Product Use:

The ABB REF601 is primarily used in:

• Medium Voltage Applications: Protecting transformers, feeders, and motors in substations.
• Industrial Facilities: Ensuring reliable operation of power systems in manufacturing plants and processing industries.
• Renewable Energy Systems: Providing protection for wind farms and solar power installations.
• Utility Companies: Used in distribution networks to enhance reliability and reduce downtime.

This controller is essential for modern electrical systems, enhancing operational efficiency and ensuring the safety of critical assets.

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