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  • ABB Contactor 1SAZ211201R1031 TA25DU-3.1 ABB Thermal Overload Relay TA25DU-3.1
  • ABB Contactor 1SAZ211201R1031 TA25DU-3.1 ABB Thermal Overload Relay TA25DU-3.1
  • ABB Contactor 1SAZ211201R1031 TA25DU-3.1 ABB Thermal Overload Relay TA25DU-3.1
  • ABB Contactor 1SAZ211201R1031 TA25DU-3.1 ABB Thermal Overload Relay TA25DU-3.1
  • ABB Contactor 1SAZ211201R1031 TA25DU-3.1 ABB Thermal Overload Relay TA25DU-3.1
  • ABB Contactor 1SAZ211201R1031 TA25DU-3.1 ABB Thermal Overload Relay TA25DU-3.1
ABB Contactor 1SAZ211201R1031 TA25DU-3.1 ABB Thermal Overload Relay TA25DU-3.1
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ABB Contactor 1SAZ211201R1031 TA25DU-3.1 ABB Thermal Overload Relay TA25DU-3.1

  • 5 - 19 Pieces
    $24
  • 20 - 49 Pieces
    $23
  • >= 50 Pieces
    $22

Customization:

Package（Min.Order: 1000 pieces）
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ABB Contactor 1SAZ211201R1031 TA25DU-3.1 ABB Thermal Overload Relay TA25DU-3.1

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Power Electrical Switching: Designed to handle AC circuits with a rated current of 630A and withstand voltages up to 500V, enabling reliable on/off control in heavy-duty applications.
  • Thermal Overload Protection: Integrated thermal overload relay (TA25DU-3.1) safeguards motors and circuits from overheating or overload conditions, ensuring operational safety.

Key features

  • 1. Advanced Material Technology

    • With a corrosion-resistant metal body, ensure reliable operation in harsh industrial environments. The durable construction withstands extreme temperatures and humidity, outperforming standard relays in demanding settings.

  • 2. Pre-Configured Interactive Design

    • With pre-configured overload settings, reduce installation time by up to 30%* compared to traditional relays. Simplify setup with multi-program presets tailored for industrial applications.

  • 3. High-Performance Parameters

    • With a rated current of 630A and 500V AC, handle heavy-duty applications more efficiently than standard relays. Deliver stable performance under high loads, ensuring optimal equipment protection.

  • 4. Industrial-Grade Scenario Solutions

    • Designed for continuous industrial use, ensure uninterrupted operation in high-demand settings compared to consumer-grade models. Prevent overloads and downtime in manufacturing or commercial systems.

  • 5. Eco-Friendly Certification Standards

    • With EPR certification from Germany, meet strict environmental regulations, offering superior sustainability compared to non-certified alternatives.

Product details

ABB Contactor 1SAZ211201R1031 TA25DU-3.1 ABB Thermal Overload Relay TA25DU-3.1

The ABB Contactor 1SAZ211201R1031 TA25DU-3.1 is a high-performance thermal overload relay designed for industrial applications requiring robust motor protection. With a rated current of 630A and a voltage rating of 500V, it ensures reliable operation in high-demand environments. Certified to EPR Germany Packing standards, this contactor guarantees compliance with EU safety regulations for industrial equipment.

Technical specifications

FeatureSpecificationApplication Scenario
CertificationEPR Germany PackingCompliance with EU industrial safety standards
Electricity TypeACAlternating current systems
Rated Current630AHeavy-duty machinery and motor control
Voltage Rating500VHigh-voltage industrial applications
TypeContactorsMotor protection in manufacturing equipment

Customization guide

Adjustable trip current settings and thermal protection thresholds can be customized to meet specific motor load requirements. For instance, recalibrating the overload relay allows precise adaptation to varying motor capacities.

Get inspired

With a 500V voltage rating and 630A capacity, this contactor is ideal for powering large industrial motors in factories or heavy machinery. Its EPR certification ensures seamless integration into EU-compliant systems.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Rated Current400A500A630A
Voltage Rating400V440V500V
Thermal ProtectionBasicEnhancedPremium
CertificationIEC StandardCE CertifiedEPR Germany

Supplier's note

  1. Technical Breakthroughs:

    • 630A Rated Current: 25% higher than industry benchmarks, enabling support for heavy industrial loads.
    • 500V Voltage Rating: Exceeds standard 400V systems, ensuring safety in high-voltage environments.
    • EPR Germany Compliance: Meets stringent EU packaging and safety regulations, reducing compliance risks.

  2. Version Selection Guide:

    • Base Model: Ideal for small-to-medium factories needing cost-effective motor protection (≤400A).
    • Advanced Model: Suitable for mid-sized plants requiring enhanced thermal stability and 440V compatibility.
    • Pro Model: Designed for heavy industries (e.g., steel mills, power plants) demanding 630A/500V capacity and premium safety certifications.

With its 500V rating, the Pro Model operates 25% beyond traditional 400V systems, ensuring reliability in high-stress scenarios. Pair this with EPR compliance to streamline EU market entry. For precise motor control, the adjustable trip settings allow tailored protection, minimizing downtime.

Frequently asked questions

  • Which ABB contactor model is suitable for high-voltage industrial applications requiring 630A rated current?

  • What maintenance practices are recommended for ABB 1SAZ211201R1031 contactors in AC systems?

  • Is the ABB TA25DU-3.1 thermal overload relay EPR-certified for Germany?

  • Can the ABB 1SAZ211201R1031 handle AC systems up to 500V?

  • Which industries use ABB contactors with 500V high-voltage ratings?

  • How does the ABB TA25DU-3.1 compare to other thermal overload relays in voltage handling?

  • Are ABB 1SAZ211201R1031 contactors compatible with existing AC infrastructure?

  • Does ABB offer customization for the TA25DU-3.1 thermal overload relay?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
High Voltage ContactorsIndustrial plants, power distributionVoltage Rating: 500V AC (IEC 60947-3) ▲15% vs Industry Standard (440V)Handles extreme voltage fluctuations; minimizes downtimeLarger footprint; requires specialized installation
Thermal Overload RelaysMotor protection systemsTrip Accuracy: ±3% (IEC 60947-4) ▲5% precision over Base modelsPrevents motor burnout; integrates seamlessly with contactorsSensitive to ambient temperature changes
AC ContactorsHVAC systems, automationRated Current: 630A (IEC 60947-4) ▲20% higher than Standard Industrial modelsEfficient AC load switching; EPR Germany Packaging Compliance (DIN EN 50200)Not suitable for DC applications
High Current ContactorsMining, heavy machineryContinuous Current: 630A (ISO 9227) ▲30% over Industry Standard (480A)Withstands prolonged high-current loads; robust arc suppressionHigher cost; heavier weight
Energy-Efficient ContactorsSmart grids, renewable energy systemsPower Loss: <1.2W (IEC 61984) ▲40% lower than Base modelsReduces energy waste; eco-friendly designLimited compatibility with legacy systems
Compact Industrial RelaysRobotics, automation controlDimensions: 120x80x50mm ▲25% smaller than Industry StandardSpace-saving; lightweight; fast response time (≤20ms)Lower current capacity (≤16A) compared to high-voltage models

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