Description
The GRV8-SV GEYA current/voltage monitoring relay is a multifunction protection relay designed for industrial electrical systems operating on a 110–240V AC/DC supply. It continuously monitors voltage conditions and provides protection against overvoltage and undervoltage faults, ensuring safe operation of motors, pumps, HVAC systems, and automation equipment.
Key Features
• 110–240V AC/DC wide supply voltage
• Overvoltage and undervoltage protection
• True RMS voltage measurement for high accuracy
• LCD for real-time voltage monitoring
• Adjustable upper and lower voltage limits
• Adjustable time delay for trip and recovery
• DIN rail mounting (compact industrial design)
• Dual SPDT relay output contacts
• LED indication for power and fault status
• High measurement accuracy (≤1%)
• Suitable for continuous industrial monitoring
• Reliable protection for sensitive electrical loads
Specifications
• Product Type: Voltage / Current Monitoring Relay
• Model: GRV8-SV
• Function: Overvoltage & Undervoltage Protection
• Supply Voltage: AC/DC 110V–240V
• Frequency Range: 45–65Hz
• Operation Voltage Range: 50V–350V
• Output Contacts: 2 × SPDT
• Contact Rating: 8A / 250V AC (AC1)
• Switching Voltage: 250VAC / 24VDC
• Time Delay: 0.1s – 20s (adjustable)
• Power-up Delay: 0.5s – 300s
• Measurement Accuracy: ≤1%
• Mounting Type: DIN rail (35mm)
• Terminal Type: Screw clamp terminals
• Operating Temperature: -20°C to +60°C
• Storage Temperature: -35°C to +75°C
• Protection Class: IP40 front / IP20 terminals
• Applications: Motor protection, pump control, HVAC systems, industrial automation, power distribution systems, voltage monitoring and equipment protection

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