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Protection Relays
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Under/Overvoltage Protection Relay RPV
Over and undervoltage protection
Automatic shutdown and re-energization
Residential and commercial application
Standard DIN rail installation
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Single-phase Under/Overvoltage Protection Relay DMV
Under/overvoltage monitoring (RMS)
Simple adjustment via front buttons
High measurement accuracy (<1%)
Standard DIN rail mounting
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Single-Phase Under/Over Voltage Protection Relay DMV1
Under/overvoltage protection
Simple adjustment via front buttons
High measurement accuracy (<1%)
Standard DIN rail mounting
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Three-Phase Phase Loss, Phase Inversion, and Under/Overvoltage Protection Relay DFF
Protection against phase loss and reversal, under and overvoltage
Configurable settings and easy operation
LED status indication
Standard DIN rail mounting
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Three-Phase Voltage Monitoring Protection Relay DFD
Protection against voltage and phase failures
LCD display for configuration
Accurate three-phase monitoring
Standard DIN rail installation
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Phase Failure Phase Reversal Three-Phase Protection Relay DFF
Phase loss and phase reversal protection
Application in three-phase systems
Status indication by LEDs
Standard DIN rail mounting
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AVP Digital Overcurrent and Under/Overvoltage Protection Relay
Overcurrent and voltage fluctuation protection
Models available in 40A, 63A, and 80A
Use in industrial and commercial electrical systems
Guarantee of safety and regulatory compliance
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Current Monitor Protection Relay DCI
Adjustable undercurrent or overcurrent monitoring
Measuring range from 2 to 20A AC/DC (with built-in CT)
Multi-voltage power supply: 24 to 240 VAC/VDC
Output with 2 reversible contacts (DPDT)
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Protection Relays
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Why buy Metaltex?
With tradition and innovation, Metaltex delivers reliable solutions in automation and electro-electronic components for those who demand performance and safety.
Consolidated National Industry
More than six decades of operation in Brazil, offering products developed with rigorous technical standards and market recognition.
Complete Portfolio
More than 5,000 items for electrical protection, automation, and control, making it easier to purchase from a single supplier.
Quality and Compliance
Products manufactured and tested in accordance with technical standards, ensuring safety and performance in industrial applications.
Specialized Technical Support
Our team is prepared to guide you in choosing the ideal solutions for each project or technical need.

