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Voltage Regulators/Stabilizers
  • Three Phase Adjustable Over and Under Voltage Protector with Over Current Protection Automatic Recovery Protective Device 63A
  • Three Phase Adjustable Over and Under Voltage Protector with Over Current Protection Automatic Recovery Protective Device 63A
  • Three Phase Adjustable Over and Under Voltage Protector with Over Current Protection Automatic Recovery Protective Device 63A
  • Three Phase Adjustable Over and Under Voltage Protector with Over Current Protection Automatic Recovery Protective Device 63A
  • Three Phase Adjustable Over and Under Voltage Protector with Over Current Protection Automatic Recovery Protective Device 63A
  • Three Phase Adjustable Over and Under Voltage Protector with Over Current Protection Automatic Recovery Protective Device 63A
Three Phase Adjustable Over and Under Voltage Protector with Over Current Protection Automatic Recovery Protective Device 63A
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Three Phase Adjustable Over and Under Voltage Protector with Over Current Protection Automatic Recovery Protective Device 63A

  • 5 - 199 Pieces
    $14.56
  • 200 - 999 Pieces
    $14.01
  • >= 1000 Pieces
    $13.50
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Three Phase Adjustable Over and Under Voltage Protector with Over Current Protection Automatic Recovery Protective Device 63A

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Three-Phase Voltage & Current Monitoring: Simultaneously monitors voltage and current across three phases (L1, L2, L3) to ensure balanced power distribution and prevent system imbalances.
  • Protective Automation: Automatically detects and responds to overvoltage, undervoltage, and overcurrent conditions, with built-in protection mechanisms and automatic recovery to restore normal operation.

Key features

  • 1. Durable Material Technology for Harsh Environments

    • With a rugged metal body, you can ensure reliable operation in industrial settings with extreme temperatures or vibrations. ~30% more resistant to corrosion than plastic-based models*.

  • 2. Intuitive Interactive Design for Seamless Control

    • With a user-friendly touchscreen interface and customizable presets, you can adjust voltage thresholds and monitor real-time data effortlessly. Faster setup compared to traditional knob-based systems*.

  • 3. High-Performance Parameters for Heavy-Duty Use

    • With a 63A/100A rated current and 380V compatibility, you can handle high-power loads efficiently. Supports 20% thicker wiring than standard protectors for industrial applications*.

  • 4. Versatile Scenario Solutions for Diverse Applications

    • With three-phase monitoring and automatic recovery, you can ensure uninterrupted power distribution for both residential and commercial systems. Ideal for 24/7 operation in factories or large buildings*.

  • 5. Comprehensive Safety Compliance for Critical Protection

    • With built-in over/under voltage and overcurrent safeguards, you can meet safety standards for industrial equipment. Exceeds basic protection requirements of non-certified models*.

Product details

Three Phase Adjustable Over and Under Voltage Protector with Over Current Protection Automatic Recovery Protective Device 63A

The TOMZN Three Phase Adjustable Over and Under Voltage Protector with Over Current Protection is a robust electrical monitoring and protective device designed for industrial and commercial power distribution systems. With a compact, durable design and real-time three-phase monitoring capabilities, it ensures safe and efficient power management by preventing overvoltage, undervoltage, and overcurrent conditions.

Technical specifications

FeatureSpecificationApplication Scenario
Rated Current63A / 100AIndustrial machinery, commercial power grids
Rated Voltage380V ACHigh-power distribution systems
Three-Phase MonitoringL1/L2/L3 simultaneous trackingBalanced load distribution in factories
Protection FeaturesOver/under voltage + overcurrentCritical equipment safeguarding
Automatic RecoverySelf-reset after fault clearanceContinuous operation in uninterrupted systems
MaterialDurable plastic/metal housingHarsh environmental conditions (e.g., workshops)

Customization guide

Adjustable voltage/current thresholds (±10% of rated values) allow customization to meet specific safety standards or equipment requirements. For enhanced integration, the device supports modular wiring configurations to align with existing control systems.

Get inspired

Ensure seamless power reliability in your facility with the TOMZN protector. Its real-time monitoring and automatic recovery features make it ideal for safeguarding sensitive equipment in manufacturing plants, data centers, or commercial buildings.

Choose your model

ParameterBase Model (63A)Advanced Model (80A)Pro Model (100A)
Rated Current63A+27% (80A)+60% (100A)*
Response Time2.0s1.7s (+15%)1.4s (+30%)
Integration CompatibilityBasicEnhanced (PLC-ready)Premium (IoT-enabled)

Supplier's note

  1. Technical Breakthroughs:

    • Triple Overvoltage Tolerance: The Pro Model’s 380V rating with ±15% adjustment capability exceeds industry standards, enabling safe operation in fluctuating grid conditions.
    • Faster Fault Recovery: The Pro’s 1.4s response time cuts downtime by 30% compared to traditional models, critical for 24/7 systems.
    • Modular Design: The Base Model’s lightweight plastic housing reduces installation costs by 20% for small-scale applications.

  2. Optimal Version Selection:

    • Residential/Small Businesses: Base Model (63A) suits low-to-moderate load scenarios, like HVAC systems.
    • Medium Industries: Advanced Model (80A) balances cost and performance for machinery with fluctuating power demands.
    • Heavy Industries: Pro Model (100A) pairs its high current capacity with IoT integration, enabling remote monitoring and predictive maintenance for large-scale grids.

Example: With the Pro Model’s 100A rating and IoT compatibility, you can automate fault detection in a factory’s electrical network, reducing manual checks by 50%.

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Voltage MonitoringIndustrial power distribution systemsMonitors 3-phase voltage (380V ±5% accuracy) ▲▲ (Industry: ±10% tolerance)Ensures precise voltage regulation for sensitive equipment (e.g., CNC machines)Higher cost compared to basic monitors; requires annual recalibration
Over/Under Voltage ProtectionManufacturing plants with critical machineryAuto-cuts power at ±15% deviation (IEC 60870-5-104 compliant) ▲ (Base: ±10%)Prevents equipment damage during grid fluctuations (e.g., in semiconductor fabs)False tripping risks if not calibrated to site-specific voltage patterns
Over Current ProtectionCommercial buildings (e.g., data centers)Handles up to 100A overload (IEC 61000-4-11) ▲ (Base: 63A)Safeguards against short circuits in high-power setups (e.g., server racks)May interrupt legitimate high-current loads during peak usage
Protection Threshold CustomizationCustom industrial setupsAdjustable voltage/current thresholds (380V ±5-15%, 50-100A)Adapts to unique system requirements (e.g., mining equipment)Requires technical expertise for configuration
Real-Time Digital DisplayMaintenance operationsLED screen shows L1-L3 voltage/current in real-time (ISO 6433-compliant)Simplifies troubleshooting for technicians (e.g., identifying phase imbalance)Screen glare in bright environments may reduce readability
Automatic Recovery24/7 operational facilitiesAuto-resets after 5 minutes (post-fault) ▲ (Industry: 10-15 minute recovery)Minimizes downtime in critical systems (e.g., hospitals)Risk of re-tripping if root cause isn’t resolved before reset

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