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  • AC/DC Contactor Wholesaler Distributors for Fuji Siemen Schneiders ABBs Mitsubishis with Good Price
  • AC/DC Contactor Wholesaler Distributors for Fuji Siemen Schneiders ABBs Mitsubishis with Good Price
  • AC/DC Contactor Wholesaler Distributors for Fuji Siemen Schneiders ABBs Mitsubishis with Good Price
  • AC/DC Contactor Wholesaler Distributors for Fuji Siemen Schneiders ABBs Mitsubishis with Good Price
  • AC/DC Contactor Wholesaler Distributors for Fuji Siemen Schneiders ABBs Mitsubishis with Good Price
  • AC/DC Contactor Wholesaler Distributors for Fuji Siemen Schneiders ABBs Mitsubishis with Good Price
AC/DC Contactor Wholesaler Distributors for Fuji Siemen Schneiders ABBs Mitsubishis with Good Price

AC/DC Contactor Wholesaler Distributors for Fuji Siemen Schneiders ABBs Mitsubishis with Good Price

$6.00-$35.00/ Piece|5 Piece/Pieces(Min. Order)

Customization:

Customized packaging（Min.Order: 500 pieces）
View product details

AC/DC Contactor Wholesaler Distributors for Fuji Siemen Schneiders ABBs Mitsubishis with Good Price

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Electrical Power Control: Designed to manage AC/DC currents up to 800A, enabling precise switching for motors and electrical loads in industrial automation.
  • Versatile Switching: Supports both AC (50/60Hz) and DC applications, ensuring compatibility with diverse electrical systems.

Key features

  • 1. Corrosion-Resistant Metal Construction

    • With a corrosion-resistant metal body, ensure durable operation in harsh industrial environments. The robust design withstands dust, moisture, and temperature fluctuations common in manufacturing and HVAC systems.

  • 2. Customizable Configuration Options

    • With customizable coil voltages and contact ratings, tailor the contactor to specific application requirements more effectively than non-configurable models*.

  • 3. Versatile AC/DC Operation

    • With support for both AC and DC power up to 800A, handle heavy-duty loads more efficiently than traditional single-voltage contactors*.

  • 4. Industrial-Grade Reliability

    • With continuous operation capability, maintain uninterrupted performance in 24/7 industrial environments like manufacturing and HVAC systems. The compact, robust design ensures stability even under prolonged use.

  • 5. Compliance with Industry Standards

    • With adherence to Siemens’ rigorous quality protocols, ensure compliance with international safety and performance standards for industrial equipment*.

Product details

AC/DC Contactor Wholesaler Distributors for Fuji Siemen Schneiders ABBs Mitsubishis with Good Price

The Siemens Sirius 3RT20 AC/DC Contactor is a rugged, high-performance electrical switch designed for industrial automation, motor control, and power distribution. With AC/DC compatibility and a robust metal housing, it ensures reliable operation in harsh environments. Available in customizable configurations, it supports frequencies of 50/60Hz and mounting options like PCB integration, making it ideal for diverse industrial applications.

Technical specifications

FeatureSpecificationApplication Scenario
Electricity TypeAC/DC, ACPower systems requiring dual voltage support
Rated Current400A to 800AHeavy-duty motor control in factories
Rated Voltage380V, 24V, 110VIndustrial automation and HVAC systems
Frequency Compatibility50Hz/60HzGlobal industrial equipment compatibility
Mounting TypePCBCompact installation in control panels
Contact Life10,000 cycles (minimum)Long-term reliability in high-cycle applications

Customization guide

Adjustable parameters include coil voltage (24V/110V/220V/380V) and contact ratings (400A–800A) to meet specific power requirements. Optional auxiliary contacts and overload relays enable tailored solutions for motor protection or complex control systems.

Get inspired

With its AC/DC versatility and robust construction, the Siemens 3RT20 is a cornerstone for industrial automation. Whether controlling large motors in manufacturing or managing power distribution in HVAC systems, this contactor ensures seamless, long-lasting performance.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Rated Current400A630A (+57.5%)800A (+100%)
Contact Life10,000 cycles15,000 cycles20,000 cycles
Insulation ClassF (140°C)H (180°C)V (200°C)*

Supplier's note

  1. Technical Breakthroughs:

    • AC/DC Compatibility: Enables operation in mixed-power environments without voltage conversion.
    • Extended Contact Life: The Pro model’s 20,000-cycle lifespan outperforms industry standards by 30%.
    • High-Temperature Insulation: The Pro’s V-class insulation (200°C) ensures safety in extreme thermal conditions.

  2. Version Selection Guide:

    • Base Model: Ideal for standard industrial applications (e.g., HVAC systems) requiring up to 400A.
    • Advanced Model: Suitable for mid-range motor control (e.g., manufacturing lines) needing 630A capacity.
    • Pro Model: Designed for heavy-duty scenarios like mining or steel plants, where 800A and extreme thermal resistance are critical.

With the Pro model’s 800A rating, you can handle high-power motors safely. Pair its V-class insulation with high-temperature environments to ensure uninterrupted operation. The Advanced model’s 15,000-cycle life makes it perfect for frequent-start applications.

Frequently asked questions

  • Which Siemens Sirius 3RT20 contactor model suits high-current industrial applications (e.g., 600A or above)?

  • How do I maintain the Siemens Sirius 3RT20 contactor for longevity in harsh environments?

  • Why choose metal-bodied contactors like the Siemens 3RT20 over plastic alternatives?

  • Can the Siemens Sirius 3RT20 contactor be customized for specific coil voltages (e.g., 24V or 380V)?

  • Is the Siemens 3RT20 contactor compliant with international safety standards?

  • What industries use the Siemens Sirius 3RT20 contactor for motor control?

  • How is the Siemens 3RT20 contactor mounted for PCB integration?

  • Does the Siemens 3RT20 contactor support auxiliary contacts for complex automation setups?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Voltage HandlingHigh-voltage industrial machineryIndustry: 220V AC ▲ Our Base: 380V AC/DC ▲▲ Our Advanced: 690V AC/DC (IEC 60947-4-1)Supports 690V systems for heavy-duty equipment; meets global standards.Higher voltage requires specialized safety protocols and infrastructure.
Current CapacityLarge motor control systemsIndustry: 200A ▲ Our Base: 400A ▲▲ Our Advanced: 800A (ISO 9227 salt spray test)Handles up to 800A, reducing the need for multiple contactors.Larger contactors may occupy more space and require robust wiring.
Frequency CompatibilityGlobal installations (50/60Hz grids)Industry: 50Hz only ▲ Our Base: 50/60Hz ▲▲ Our Advanced: Auto-adjust 50-60Hz (UL 508A)Operates seamlessly across international power grids without reconfiguration.Auto-adjust feature increases complexity and cost.
Mounting TypeCompact control panelsIndustry: DIN rail ▲ Our Base: PCB ▲▲ Our Advanced: PCB + DIN (IEC 60793-2-10)PCB enables seamless integration into electronic control systems.DIN-only systems may limit flexibility in tight spaces.
Electrical TypeHybrid AC/DC systemsIndustry: AC only ▲ Our Base: AC/DC ▲▲ Our Advanced: AC/DC + surge protection (EN 61000-4-5)Single unit manages both AC and DC, simplifying system design.Surge protection adds cost and requires additional certification checks.
Safety FeaturesHarsh environments (dust/moisture)Industry: IP20 ▲ Our Base: IP54 ▲▲ Our Advanced: IP67 (IEC 60529)IP67 withstands submersion and extreme conditions, ideal for outdoor use.Enhanced sealing may reduce heat dissipation, requiring active cooling.

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