SELEC
SELEC 600VPR-310/520-CE, 3 phase Voltage Protection Relay, 3 phase
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3Ø-3W, Under / Over voltage, Phase failure, Phase sequence, 1C/O
BRIEF SPECIFICATIONS
| Measuring Parameter | Under Voltage, Over Voltage, Phase Sequence, Phase Failure |
| Electrical Connection | 3Ø - 3W |
| Time Ranges | Trip Time Delay : 0.2 to 10 sec, Power On Delay: 400msec |
| Accuracy | Trip Voltage: ±0.5% of F.S, Trip Time: ±5% of F.S |
| Output Contact | 1 C/O ( SPDT ) |
| Output Rating | NC: 3A @ 250V AC , NO: 5A @ 250V AC |
| Operating Voltage | 154 To 500V AC (L - L) |
| Size | 17.5mm |
| Mounting Type | DIN Rail Mount |
| Certification | CE |
SELEC 600VPR-310/520-CE 3 Phase Voltage Protection Relay | Advanced Voltage Monitoring & Protection
The SELEC 600VPR-310/520-CE is a high-performance 3 Phase Voltage Protection Relay designed to protect critical industrial equipment from damaging voltage abnormalities. By continuously monitoring three-phase supply conditions, this relay helps prevent equipment failures caused by over-voltage, under-voltage, phase loss, phase imbalance, and incorrect phase sequence conditions.
Modern industrial machinery, motors, pumps, compressors, HVAC systems, PLC panels, and automation equipment are highly sensitive to power quality issues. The SELEC 600VPR-310/520-CE provides reliable monitoring and protection, ensuring that connected equipment operates within safe electrical limits. When abnormal voltage conditions are detected, the relay quickly responds to help minimize downtime, reduce maintenance costs, and extend equipment life.
Designed for industrial automation and electrical control applications, this protection relay is widely used by panel builders, OEMs, system integrators, and maintenance engineers. Its compact design, dependable performance, and easy installation make it an ideal solution for motor protection and power monitoring applications across various industries.
Key Features
• Comprehensive 3-phase voltage monitoring
• Protection against under-voltage and over-voltage conditions
• Detects phase failure and phase sequence faults
• Monitors phase imbalance conditions
• Fast response for improved equipment safety
• Suitable for industrial automation and motor protection applications
• Reliable operation in demanding industrial environments
• Compact and panel-friendly design
Technical Specifications
• Model: 600VPR-310/520-CE
• Brand: Selec
• Product Type: Voltage Protection Relay
• Phase: 3 Phase
• Mounting Type: Panel Mount
• Monitoring Functions: Voltage Monitoring and Protection
• Protection Features: Under Voltage, Over Voltage, Phase Failure, Phase Sequence, Phase Imbalance
• Application: Industrial Electrical Protection
Applications
• Motor control centers (MCC Panels)
• Industrial control panels
• Pump protection systems
• Compressors and HVAC equipment
• Manufacturing machinery
• Process automation plants
• PLC-based automation systems
• Conveyor systems
• Power distribution panels
• Industrial AC drive installations
• Water treatment plants
• Electrical protection systems
Why Buy From Voltkart?
• Authorised distributor and supplier of genuine SELEC automation products
• GST invoice provided with every order
• Pan India delivery in 5–7 days
• Bulk pricing available on WhatsApp
• Expert technical support for product selection
• Trusted supplier for panel builders, OEMs, and industries across India
Frequently Asked Questions
Q: What does the SELEC 600VPR-310/520-CE protect against?
A: The relay protects equipment against under-voltage, over-voltage, phase failure, phase sequence reversal, and phase imbalance conditions in three-phase electrical systems.
Q: Where is the SELEC 600VPR-310/520-CE commonly used?
A: It is commonly used in motor control panels, pumps, compressors, industrial machinery, PLC control panels, HVAC systems, and power distribution applications.
Q: Why is a voltage protection relay important in industrial applications?
A: Voltage protection relays help prevent equipment damage, unexpected downtime, and costly repairs by continuously monitoring power quality and disconnecting equipment when unsafe electrical conditions occur.
Related Products & Collections
Also explore our complete range of Protection Relays, Phase Failure Relays, Phase Sequence Relays, and Motor Protection Devices for enhanced electrical safety.
For complete automation panel solutions, browse our collections of PLCs, Timers, Temperature Controllers, AC Drives, and SELEC automation products. You may also be interested in our range of Power Supply solutions including DIN Mounted SMPS, Enclosed SMPS, 1 Phase SMPS, 3 Phase SMPS, and popular Mean Well MDR Series, NDR Series, EDR Series, and TDR Series power supplies for industrial applications.
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