Technical Specifications:
Current Rating:

Rated Current: 63A
This allows the relay to handle significant loads, making it suitable for a wide range of applications.
Voltage Rating:

Operating Voltage: 380V AC
Designed to operate effectively in standard three-phase power systems.
Protection Features:

Over-current Protection: Monitors current levels and disconnects the circuit if the current exceeds predefined limits.
Over-voltage Protection: Detects voltage surges and disconnects the load to prevent damage.
Under-voltage Protection: Triggers disconnection when voltage drops below a certain threshold, protecting connected devices.
Response Time:

Fast response time to detect abnormal conditions and trigger protective actions, ensuring equipment safety.
Phase Monitoring:

Monitors all three phases to ensure balanced loads and prevent phase loss or imbalance.
Digital Display:

Equipped with an LCD or LED display for real-time monitoring of current, voltage, and relay status.
Control Functions:

User-friendly interface for setting parameters, viewing fault conditions, and resetting the relay.
Operating Temperature:

Designed to function effectively within a specified temperature range, typically from -10°C to +60°C.
Compatibility:
Industrial Applications:

Compatible with various industrial equipment and systems, such as motors, transformers, and generators.
Control Panels:

Designed for easy integration into standard electrical control panels, allowing for seamless installation and operation.
Automation Systems:

Can be incorporated into automated systems for enhanced safety and control.
Functionality:
Real-Time Monitoring:

Continuously monitors electrical parameters, providing immediate feedback on system status.
Alarm and Notification:

Features alarm functions to alert operators in case of over-current, over-voltage, or under-voltage conditions.
Data Logging:

Some models may include data logging capabilities for tracking electrical parameters over time, aiding in preventive maintenance and troubleshooting.
Customizable Settings:

Allows users to set specific thresholds for current and voltage based on the requirements of the connected equipment.
Manual Reset:

Offers options for manual or automatic reset after a fault condition is cleared, enhancing operational flexibility.
Certificates:
CE Certification:

Complies with European safety and quality standards, ensuring the relay is reliable for industrial use.
RoHS Compliance:

Ensures that the device is manufactured without hazardous substances, meeting environmental regulations.
ISO Certification:

Adherence to ISO standards for quality management, ensuring consistent product quality and reliability.
Applications:
Motor Protection: Protects electric motors from over-current and voltage conditions, ensuring reliable operation and preventing damage.
Transformer Protection: Monitors transformers to avoid overheating and failures due to electrical faults.
Generator Protection: Safeguards generators from abnormal electrical conditions, enhancing operational safety.
Industrial Equipment: Suitable for various industrial applications where electrical protection is critical for equipment longevity and safety.
Summary:
The Samwha-DSP Digital Over-current and Voltage Protection Relay is an essential device for ensuring the safety and reliability of electrical systems in industrial and commercial environments. With its robust protective features, user-friendly interface, and compliance with safety standards, it provides an effective solution for monitoring and managing electrical parameters in three-phase systems.