• MITSUBISHI S-T100 220V Contactor New, High-Efficiency AC220V Switch Contactor for Industrial Applications - MITSUBISHI [1]
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MITSUBISHI

MITSUBISHI S-T100 220V Contactor New, High-Efficiency AC220V Switch Contactor for Industrial Applications

MITSUBISHI S-T100 220V Contactor New, High-Efficiency AC220V Switch Contactor for Industrial Applications

$248.39 USD
$248.39 USD $248.39 USD
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Condition new
MPN S-T100
voltage_type AC220V
rated_current 100A
value_proposition MITSUBISHI S-T100 AC220V contactor offers high efficiency and reliability for industrial applications. Perfect for motor protection and control systems. Rated for 100A, 200W, and IP67 protection.
brand MITSUBISHI
model S-T100
rated_power 200W
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Description


MITSUBISHI S-T100 220V Contactor New, High-Efficiency AC220V Switch Contactor for Industrial Applications

MITSUBISHI S-T100 AC220V contactor is a reliable, high-efficiency switch designed for industrial motor protection and control systems. Rated for 100A, 200W, and IP67 protection.

MITSUBISHI S-T100 AC220V Contactor is a high-efficiency, compact switch contactor designed for industrial applications. Rated for 100A, 200W, and IP67 protection, it provides reliable performance in harsh environments. Perfect for motor protection and control systems.

Engineer's Quick Brief

  • MITSUBISHI S-T100 is a heavy-duty AC magnetic contactor designed for industrial motor switching and high-current load control.
  • Supports up to 100A AC-3 duty at AC200V, making it suitable for conveyors, pumps, compressors, HVAC systems, and industrial automation cabinets.
  • Features low-noise DC excitation technology, built-in surge suppression, and high contact reliability twin-contact construction.

SEO Introduction

The MITSUBISHI S-T100 AC220V Contactor is a high-capacity industrial magnetic contactor from the Mitsubishi Electric MS-T series. Designed for reliable motor control and industrial switching applications, the S-T100 provides stable operation in demanding environments including factory automation systems, motor starter panels, HVAC control cabinets, machine tools, pumping systems, and conveyor automation.

With a representative 100A AC-3 rating, AC220V operation coil, and industrial-grade auxiliary contacts, the S-T100 is widely used in motor switching circuits requiring high endurance, low coil noise, and long electrical life.

Relevant industrial keywords include: magnetic contactor, AC220V contactor, Mitsubishi MS-T series, industrial motor starter, 100A contactor, 3-phase motor control.

Technical Specifications

Parameter Specification
Model MITSUBISHI S-T100
Series MS-T Series Magnetic Contactor
Contactor Type Non-Reversing AC Operated Magnetic Contactor
Main Pole Configuration 3 Pole
Rated Insulation Voltage (Ui) 690V
AC-3 Motor Rating (200-220V) 22kW
AC-3 Motor Rating (380-440V) 45kW
AC-3 Motor Rating (500-550V) 45kW
AC-3 Rated Current (200-220V) 100A
Thermal Current 150A
Coil Voltage AC220V
Auxiliary Contacts 2NO + 2NC
Mechanical Durability Approx. 12 million operations
Electrical Durability Approx. 1 million operations (AC-3)
Mounting Method Screw Mounting
Main Terminal Screw Size M6
Auxiliary Terminal Screw Size M4
Coil Power Consumption Approx. 2.8W
Inrush Input Approx. 210VA
Holding Input Approx. 23VA
Standards CE, cULus, TUV, CCC, KC, LR, NK, BV, KR
Special Features Built-in surge suppression, low-noise DC excitation coil, twin-contact auxiliary structure

Application Matrix

Industry Application Operational Value
Factory Automation Motor starter panels Reliable switching of high-current three-phase motors
HVAC Systems Compressor and fan motor control Low-noise operation and long service life
Water Treatment Pump station control Stable motor switching under repetitive loads
Industrial Machinery Machine tool power circuits High contact endurance and thermal reliability
Material Handling Conveyor motor switching Continuous-duty industrial switching capability

Troubleshooting & FAQ

Why does the S-T100 contactor generate humming noise?

Excessive humming is commonly caused by incorrect coil voltage, unstable control voltage, loose iron core assembly, or contamination inside the magnetic circuit. Verify the AC220V control supply and inspect the coil terminals for secure wiring.

Can the S-T100 be used for direct motor starting?

Yes. The S-T100 is designed for AC-3 motor switching duty and is commonly installed in direct-on-line (DOL) motor starter circuits.

What is the typical auxiliary contact configuration?

Standard configurations commonly include 2NO + 2NC auxiliary contacts for interlocking, signaling, and PLC input feedback.

How should the contactor be mounted?

The unit is typically screw-mounted inside industrial control panels with adequate ventilation spacing to minimize heat accumulation.

What causes contact welding in industrial contactors?

Contact welding may result from short-circuit current, oversized motor inrush current, insufficient overload protection, or frequent switching beyond rated duty cycles.

Is surge suppression integrated?

Yes. The S-T100 series incorporates built-in surge suppression to reduce switching transients and improve control circuit reliability.

Cross-Reference & Selection

Cross-Reference Guide

Model Relationship Typical Usage
MITSUBISHI S-T80 Lower current frame Medium-duty motor loads
MITSUBISHI S-T125 Higher current frame Large industrial motors
MITSUBISHI MS-T Series Series compatibility Industrial motor starter systems
MITSUBISHI MS-N Series Legacy generation Replacement and retrofit projects
Engineering Note:
The S-T100 contactor is widely deployed in industrial motor control systems requiring high electrical endurance, low coil power consumption, and stable long-term switching reliability under AC-3 operational duty.

About Koeed Automation

Expert Supply Solutions for Global Industrial Electronics

At Koeed.com, we are professional architects of the industrial electronics supply chain. We specialize in providing high-performance PLCs, HMIs, Servo Motors, Drives, and Converters to ensure that modern manufacturing operations remain efficient, reliable, and future-proof in 2026’s competitive landscape.

🛡️ Certified Quality

We source only 100% authentic industrial hardware from global category leaders. Every component undergoes a rigorous verification process to meet Industry 4.0 reliability standards.

⚙️ Engineering Domain

Our experts provide more than just parts; we offer technical insight. We assist in complex product selection and compatibility audits for both legacy system upgrades and new installations.

🌐 Rapid Global Logistics

Time is money in industrial automation. Our optimized supply network ensures that critical components reach your facility quickly, significantly reducing unplanned downtime and operational loss.

Strategic Global Portfolio: Siemens, Omron, FANUC, Schneider Electric, Mitsubishi, Yaskawa, Allen-Bradley, and other elite industrial brands.

Supporting your vision for a smarter, more efficient industrial future.

Alternative Names


  • S-T100-220V
  • S100-AC220V
  • S-T100-AC220
  • S-T100-100A

Special Reminder

Important

If you have any questions about product information and prices, please feel free to contact us by email or WhatsApp. We will respond quickly.

  • Business Days Only (Monday through Saturday)
  • It takes up to 10 days from the time of ordering (excluding Saturdays and Sundays) to the time of delivery to your designated location. Worldwide delivery.
  • Within 3 days after placing the order, we will send you photos and videos of the product via email or WhatsApp for confirmation

International shipping - items may be subject to customs processing depending on the item's customs value.
Sellers declare the item's customs value and must comply with customs declaration laws.
As the buyer, you should be aware of possible:

  • Delays from customs inspection.
  • Import duties and taxes which buyers must pay.
  • Brokerage fees payable at the point of delivery.

Shipping Policy

Global Delivery

We ship to customers all over the world. Our primary logistics providers are DHL, UPS, TNT, FedEx, and EMS.

Processing Time

All orders are processed within 72 hours of purchase. Please note that this applies to business days only.

Shipping Rates & Delivery Estimates

Shipping charges for your order will be calculated and displayed at checkout. Delivery estimates are within 7-14 days. Please note that these shipping times are only estimates and unfortunately, cannot be guaranteed.

Shipment Confirmation & Order Tracking

You will receive a Shipment Confirmation email once your order has shipped containing your tracking number(s). The tracking number will be active within 24 hours.

Customs, Duties, and Taxes

Please note, international shipping services do vary from country to country. To find out the exact services that are available, please put in your full address at checkout. Shipping internationally does mean that you may be required to pay customs and import taxes. All international customers are responsible for the customs rates within their own country. For further information, we recommend contacting your local customs office.

Damages

We take every reasonable precaution to ensure that products are not damaged. If the item is damaged in transit, please immediately contact us. We are not liable for any products damaged or lost during shipping. If you received your order damaged, please contact the shipment carrier to file a claim. Please save all packaging materials and damaged goods before filing a claim.

Force Majeure

When encountering with force majeure, the processing of orders will be delayed. Nevertheless, it is ensured that your order will be processed in a fast manner when weather permits.

Address Verification

Please verify you have the correct shipping address on your order PRIOR to making payment as this is the address we will ship to.

Return Policy

For more information, visit our Return Policy page.

International shipping - items may be subject to customs processing depending on the item's customs value.

Sellers declare the item's customs value and must comply with customs declaration laws.
As the buyer, you should be aware of possible:
• Delays from customs inspection.
• Import duties and taxes which buyers must pay.
• Brokerage fees payable at the point of delivery.

Contact Us

If you have any questions about your order, please contact us at moritta@koeed.com.

Return Policy

Return and Refund Policy

We want you to be completely satisfied with your purchase on our store. If for any reason you are not entirely satisfied, we're here to help!

Returns

You have a generous 30 calendar days to return an item from the date you received it. To be eligible for a return, ensure the item is in its original, unworn, and unused condition with tags and packaging intact. Retain your receipt or proof of purchase for eligibility. Please note that certain items are non-returnable like perishables, custom products, personal care goods, hazardous materials, flammable liquids, and gases. Reach out for clarifications on specific items.

Return Process

Commence the return process by reaching out to us at moritta@koeed.com. Upon approval, we will furnish you with a return shipping label and detailed instructions for dispatching your package. Unnotified returns will not be accepted.

Damages and Issues

Kindly review your order upon delivery. Notify us promptly if it arrives defective, damaged, or incorrect. We will address the matter swiftly.

Exchanges

Facilitate a swift exchange by returning the original item once approved and making a new purchase.

EU 14-Day Cooling Off Period

EU-bound shipments allow a 14-day cancellation or return period without justification. Conditions mirror standard returns.

Refunds

Upon receiving and inspecting your return, we’ll inform you of the refund status. Approved refunds are automatically processed within 10 business days via the initial payment method. Allow time for financial institutions to finalize the refund. For delays exceeding 15 business days post-approval, contact us at moritta@koeed.com.

Shipping

You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund.

Contact Us

If you have any questions on how to return your item to us, feel free to contact us at moritta@koeed.com.

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