Technical Specifications:
Voltage Range:

Operating Voltage: 3x220-480VAC
Designed to monitor a wide range of three-phase voltages, suitable for various industrial applications.
Current Rating:

Rated Current: 8A
Capable of handling loads up to 8A, ensuring compatibility with most industrial circuits.
Protection Class:

IP Rating: IP20
Provides protection against solid objects larger than 12.5 mm but is not waterproof. Recommended for indoor use in dry environments.
Operating Temperature:

Temperature Range: -10°C to +60°C
Suitable for various industrial environments with temperature fluctuations.
Power Supply:

Auxiliary Supply Voltage: 24V to 240VAC/VDC
Allows flexible installation based on the system requirements.
Dimensions:

Compact design, making it easy to install in standard electrical panels.
Mounting Type:

DIN Rail Mounting: Allows for easy integration into existing electrical control systems and panels.
Functionality:
Voltage Monitoring:

Continuously monitors the voltage levels of three-phase systems to ensure they remain within specified limits.
Alerts operators to any voltage imbalances, under-voltage, or over-voltage conditions that may damage connected equipment.
Phase Sequence Monitoring:

Detects incorrect phase sequences and prevents operation if the sequence is incorrect, ensuring the safe operation of three-phase motors and equipment.
Automatic Unbalance Detection:

Identifies and alerts for unbalanced voltage conditions, helping to protect motors and other equipment from damage due to phase imbalances.
Alarm Output:

Equipped with relay outputs that trigger alarms or shutdown operations when voltage levels are outside the acceptable range.
LED Indicators:

Features LED indicators for visual feedback on relay status, including power status and alarm conditions.
Reset Function:

Manual or automatic reset options for alarm conditions, facilitating quick recovery from fault conditions.
Certificates:
CE Certification:

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

Ensures that the product is manufactured without the use of hazardous materials, aligning with environmental regulations.
ISO 9001 Certification:

Guarantees that the manufacturing and quality control processes adhere to international quality management standards.
Compatibility:
Industrial Control Systems:

Compatible with various industrial control systems and automation applications, suitable for use in motor control panels, distribution boards, and process control systems.
Electrical Distribution:

Can be integrated into electrical distribution systems for monitoring and protection of three-phase circuits.
Motors and Equipment:

Works with three-phase motors and other equipment that requires stable voltage supply for reliable operation.
Application Areas:
Industrial Automation: Essential for monitoring three-phase systems in automated manufacturing processes.
Pump Control: Used in water and wastewater treatment facilities to ensure proper voltage levels for pumps.
HVAC Systems: Provides protection for HVAC systems against voltage fluctuations that could cause equipment failure.
Renewable Energy: Useful in solar inverters and wind turbines where voltage stability is critical for performance and safety.
Motor Protection: Ideal for protecting three-phase motors in various industrial applications from voltage-related damages.
Summary:
The FRV13 2 Three-Phase Voltage Monitoring Relay is a reliable and efficient solution for monitoring and protecting three-phase electrical systems. With its wide voltage range, automatic unbalance detection, and phase sequence monitoring capabilities, it ensures the safe operation of connected equipment while minimizing downtime due to electrical faults. Its compact design and DIN rail mounting compatibility make it easy to integrate into existing systems, while its certifications assure compliance with international safety and quality standards.