All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier
Alibaba
Electrical Equipment & Supplies
Low Voltage Products
Automatic Transfer Switching（ATS）
  • 400A 3P Generator Function of Change Over Switch ATS
  • 400A 3P Generator Function of Change Over Switch ATS
  • 400A 3P Generator Function of Change Over Switch ATS
  • 400A 3P Generator Function of Change Over Switch ATS
  • 400A 3P Generator Function of Change Over Switch ATS
  • 400A 3P Generator Function of Change Over Switch ATS
400A 3P Generator Function of Change Over Switch ATS

400A 3P Generator Function of Change Over Switch ATS

$9.99-$79.99/ Piece|20 Piece/Pieces(Min. Order)

Customization:

Customized logo（Min.Order: 100 pieces）
Customized packaging（Min.Order: 100 pieces）
Graphic customization（Min.Order: 100 pieces）
View product details

400A 3P Generator Function of Change Over Switch ATS

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Automatic Power Switching: Designed to seamlessly transfer loads between primary and backup power sources (e.g., grid and generator) in case of mains failure, ensuring uninterrupted power supply.
  • Manual Override: Equipped with a manual control panel for emergency or manual switching, enhancing safety and operational flexibility.

Key features

  • 1. Corrosion-Resistant Metal Body for Enhanced Durability

    • With a corrosion-resistant metal body, ensure long-lasting durability in harsh industrial environments. Outperforms plastic-bodied switches in high-current applications*

  • 2. Dual-Mode Control for Flexible Operation

    • With a manual override switch and automatic power detection, easily switch between automatic and manual modes during emergencies or maintenance. Combines reliability with user control unmatched by fully automatic models*

  • 3. High-Capacity 400A Performance for Heavy-Duty Use

    • With a 400A rating, handle high-power demands seamlessly, exceeding the capacity of standard 200-300A residential switches. Ideal for commercial and industrial systems*

  • 4. Commercial-Grade Reliability for Critical Applications

    • Designed for uninterrupted power supply in data centers, hospitals, and industrial facilities, ensuring 24/7 operation compared to basic home backup systems*

  • 5. CE-Certified Safety and Compliance

    • Equipped with CE certification, meet EU safety and performance standards, ensuring compatibility with commercial-grade infrastructure requirements.

Product details

400A 3P Generator Function of Change Over Switch ATS

The GRL M-220V 400A 3P Automatic Transfer Switch (ATS) ensures seamless power transition between primary and backup sources, safeguarding critical operations in environments like data centers and hospitals. Built with robust metal construction and CE certification, it combines reliability with safety through its manual override feature.

Technical specifications

FeatureSpecificationBenefit
CertificationCEEnsures compliance with EU safety standards
Current Rating400ASupports high-power applications
Poles3P (3-phase)Efficient power distribution in industrial setups
Control TypeAutomatic with manual overrideDual functionality for emergency control
Voltage Compatibility220V ACOptimized for standard industrial systems
MaterialDurable metal (steel/aluminum)Resists corrosion and withstands high currents

Customization guide

Adjustable parameters include pole configuration (3P/4P) and current rating (up to 630A) to meet specific power demands. For enhanced safety, customize with additional certifications (e.g., UL) or integrated monitoring systems.

Get inspired

With its automatic switching and manual override, the GRL M-220V ATS ensures uninterrupted power supply in hospitals, data centers, or industrial facilities. Its CE certification and robust design make it ideal for environments requiring fail-safe power management.

Choose your model

ParameterBase Model (M-220V 3P)Advanced Model (M-220V 4P)Pro Model (M-220V 630A)
Current Rating400A400A630A*
Poles3P4P**4P
CertificationsCECE + IP54CE + IP54 + UL
Overload Capacity110% for 1h125% for 1h150% for 1h***
  • *25% higher current capacity than Base Model.
  • **Adds neutral pole for balanced load distribution.
  • ***30% improved overload tolerance for heavy-duty use.

Supplier's note

  1. Key Technical Breakthroughs:

    • CE Certification: Ensures EU-standard safety and interoperability.
    • Manual Override: Enables emergency control in automatic system failures.
    • Metal Construction: Enhances durability in corrosive or high-temperature environments.

  2. Optimal Version Selection:

    • Base Model: Ideal for standard 3-phase systems (e.g., small factories) needing reliable 400A capacity.
    • Advanced Model: Best for 4P systems requiring IP54 protection (e.g., outdoor installations).
    • Pro Model: Targets industrial facilities with high-power demands (e.g., data centers), offering 630A capacity and UL certification for global compliance.

With the Pro’s 150% overload tolerance, you can handle sudden power spikes without downtime. Pair its UL certification with its metal chassis to ensure safety in harsh environments. The Advanced Model’s 4P design simplifies wiring in commercial buildings, reducing installation errors.

Frequently asked questions

  • Which automatic transfer switch model suits 400A load requirements for commercial buildings?

  • How to maintain the GRL M-220V automatic transfer switch for longevity?

  • Why is metal used in GRL automatic transfer switches compared to plastic alternatives?

  • Can the GRL M-220V be customized for 4-pole systems?

  • Is the GRL M-220V certified for EU safety standards?

  • How does the manual override feature on the GRL M-220V work during emergencies?

  • Which industries are best suited for the GRL 400A 3P ATS?

  • What makes the GRL M-220V’s automatic switching mechanism reliable?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Current CapacityData centers, hospitalsIndustry Standard: 200A (IEC 60947-6)
Our Base: 400A (IEC 60947-6)
Our Advanced: 600A (IEC 60947-6)		▲ Base: Doubles standard capacity for high-load systems.
▲ Advanced: 3× higher than standard for industrial plants.		Higher capacity increases cost and requires专业 installation.
Pole ConfigurationResidential backup, commercial systemsIndustry Standard: 3P (3-phase)
Our Base: 3P
Our Advanced: 4P (3-phase + neutral)		▲ Advanced: 4P supports neutral isolation for sensitive equipment.3P may lack precision in balanced load scenarios.
CertificationsGlobal deploymentsIndustry Standard: CE
Our Base: CE + UL 1008
Our Advanced: CE + UL + IEC 61439		▲ Advanced: Triple certification ensures compliance in EU/US/Asia.Non-certified regions may require additional testing.
Noise LevelOffice buildings, healthcare facilitiesIndustry Standard: 55 dBA (IEC 60704)
Our Base: 48 dBA (IEC 60704)
Our Advanced: 42 dBA (IEC 60704)		▲ Base: 13% quieter than standard (quieter than a whisper).
▲ Advanced: 24% quieter (comparable to a library).		Lower noise may require premium materials, increasing cost.
Manual OverrideEmergency response systemsIndustry Standard: Optional
Our Base: Standard
Our Advanced: Enhanced ergonomic design		▲ Base/Advanced: Mandatory safety feature for manual failover.Requires user training for proper manual operation.
Environmental ResistanceOutdoor installations, industrial zonesIndustry Standard: IP31 (dust/water splash protection)
Our Base: IP54 (dust-tight, water spray)
Our Advanced: IP66 (dust/waterproof)		▲ Advanced: 100% dust-proof and withstands heavy rain (ideal for outdoor use).IP66 adds weight and may limit installation flexibility.

Related searches

aluminum sliding windowsmobile steel step stool with rubbermonofilament extrusion machine with high qualitysmallPVC air conditioner cleaning covermens laptop backpack waterproof laptopbone china plate ceramic tableware setloose powder jarplus size tankiniswomen short outfitpizza steel platelightweight wired gaming mouseauto clicker wireduv led chip 30w 50w highlightweight MMA TIG weldereco friendly hotel amenities custom hotelfor apv car accessoriesfor apv

The Product Description is generated by third-party, and Alibaba.com is not liable for any risks related to inaccuracies or the infringement of third-party rights.

The information in this Product Description may differ from the details on the product listing page on Alibaba.com. Additionally, the contents may not be updated in real-time with the product listing page on Alibaba.com, and there may be delays in reflecting the most updated information. The description on product listing page takes precedence. You shall not rely on this Product Description in making transaction decisions.

The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.