What are the benefits
Professional Load Bank Solutions - Built for Reliability, Designed for Performance
rata Liquid Cooled Load Bank Models
RATA liquid-cooled load banks achieve ultra-high power density and continuous full-load operation through efficient closed-loop liquid cooling technology, significantly reducing noise and environmental heat emissions. They are suitable for marine power systems, AI data centers, energy storage systems, and heavy industry, providing a safe, stable, and green system-level solution for next-generation high-power power testing.
◎ 500kW High Power
◎ 1kW precision:no guessing on test data
◎ Indoor-ready: noise free, low temperature rise
◎ Touchscreen + remote: one operator runs it
◎ Custom solutions available
◎ 1kW precision:no guessing on test data
◎ Indoor-ready: noise free, low temperature rise
◎ Touchscreen + remote: one operator runs it
◎ Custom solutions available
◎ Tested & passed for Japan market
◎ HMI + RJ45 + Wi-Fi – 3 ways to control
◎ ΔT, flow, pressure, leak – all monitored
◎ Auto-load by temp – set ΔT, it follows
◎ Parallel with air-cooled – no wasted investment
◎ HMI + RJ45 + Wi-Fi – 3 ways to control
◎ ΔT, flow, pressure, leak – all monitored
◎ Auto-load by temp – set ΔT, it follows
◎ Parallel with air-cooled – no wasted investment
◎ 240kW continuous – no thermal derating
◎ 4 load modes:constant power, constant current, constant resistance, and dynamic loading.
◎ 7" touchscreen + PC software included
◎ Fits tight spaces – 600×890×1755mm
◎ Quick-connect terminals – install in minutes
◎ 4 load modes:constant power, constant current, constant resistance, and dynamic loading.
◎ 7" touchscreen + PC software included
◎ Fits tight spaces – 600×890×1755mm
◎ Quick-connect terminals – install in minutes
◎ 60kW in 10U – fits 19 inches
◎ 90kg – two-person lift, no forklift
◎ CEE from 125A quick-connect – plug in, test
◎ 487mm depth – fits shallow racks
◎ 415VAC / 50Hz – EU & Asia ready
◎ 90kg – two-person lift, no forklift
◎ CEE from 125A quick-connect – plug in, test
◎ 487mm depth – fits shallow racks
◎ 415VAC / 50Hz – EU & Asia ready
Resistive Load Banks
Rata designs and manufactures a wide range of resistive load banks in standard frame sizes & containers, from 100kW up to 8000kW, built to your specific voltage, frequency and phase requirements.
◎ 500kW continuous – 1kW step resolution
◎ -20°C to +50°C – works in any climate
◎ 400A quick-connect – setup in minutes
◎ 20% smaller – fits tighter spaces
◎ IP54 + 2mm steel – built for harsh sites
◎ -20°C to +50°C – works in any climate
◎ 400A quick-connect – setup in minutes
◎ 20% smaller – fits tighter spaces
◎ IP54 + 2mm steel – built for harsh sites
◎ 5MW 20kV – meets utility-scale tenders
◎ IP54 outdoor – install anywhere
◎ 40ft ISO container – standard shipping
◎ 16 tons – standard road/sea transport
◎ 50°C ambient – no derating in summer
◎ IP54 outdoor – install anywhere
◎ 40ft ISO container – standard shipping
◎ 16 tons – standard road/sea transport
◎ 50°C ambient – no derating in summer
◎ 1000kW with 1kW steps – fine-tune any load
◎ -20°C to +50°C – one unit for all climates
◎ IP54 outdoor – no shelter needed
◎ 50/60Hz switchable – sell anywhere
◎ Forklift-ready – moves in minutes
◎ -20°C to +50°C – one unit for all climates
◎ IP54 outdoor – no shelter needed
◎ 50/60Hz switchable – sell anywhere
◎ Forklift-ready – moves in minutes
◎ 250kW with 1kW steps – precision for H2 testing
◎ IP55-rated – rain or shine, no cover needed
◎ Stackable – 2 units in 1 footprint
◎ Push button + PLC + PC – 3 ways to control
◎ 50/60Hz switchable – sell anywhere
◎ IP55-rated – rain or shine, no cover needed
◎ Stackable – 2 units in 1 footprint
◎ Push button + PLC + PC – 3 ways to control
◎ 50/60Hz switchable – sell anywhere
Resistive inductive Load Banks
The core advantage is to provide inductive test loads that strictly conform to actual working conditions, ensuring that the stability and output quality of the equipment when connected to motor loads are reliably verified.
◎ 3750kVA with PF 0.8 – true generator simulation
◎ +60°C rated – built for the world's hottest sites
◎ 400/415/480/690V – one unit fits global gensets
◎ 20ft container – ships standard, lands anywhere
◎ Grid-grade precision – ±2.5% element tolerance
◎ +60°C rated – built for the world's hottest sites
◎ 400/415/480/690V – one unit fits global gensets
◎ 20ft container – ships standard, lands anywhere
◎ Grid-grade precision – ±2.5% element tolerance
◎ PF 0.8–1.0 adjustable – one unit, all tests
◎ 10kW/10kVAR steps – lab-grade precision at scale
◎ Siemens/Schneider/ABB inside – tender-ready
◎ 2000Vac insulation + 800°C resistor wire – built to last
◎ 5.5m x 2.1m footprint – fits a 20ft container
◎ 10kW/10kVAR steps – lab-grade precision at scale
◎ Siemens/Schneider/ABB inside – tender-ready
◎ 2000Vac insulation + 800°C resistor wire – built to last
◎ 5.5m x 2.1m footprint – fits a 20ft container
◎ 1kW steps for 500kW – fine-tune ship gensets
◎ 4 voltage standards + 50/60Hz – global fleet ready
◎ Ship/military/telecom standards – spec-in approved
◎ 100% humidity rated – built for marine environment
◎ 1,850kg + forklift holes – easy to move
◎ 4 voltage standards + 50/60Hz – global fleet ready
◎ Ship/military/telecom standards – spec-in approved
◎ 100% humidity rated – built for marine environment
◎ 1,850kg + forklift holes – easy to move
◎ Marine Container Design
◎ Waterproof Quick Connectors
◎ PLC Remote Control System
◎ Waterproof Quick Connectors
◎ PLC Remote Control System
Schneider authorized load bank
The whole series is equipped with original Schneider components. It has remarkable advantages in quality, stability and structural design, accurately adapts to applications in multiple industries, and provides high quality solutions for power distribution needs.
◎ IP55 Outdoor Rating
◎ For H2 generator testing
◎ Stackable & Mobile Design
◎ For H2 generator testing
◎ Stackable & Mobile Design
◎ CE 60204 Compliant
◎ Safety & Precision Testing
◎ Critical Infrastructure Ready
◎ Safety & Precision Testing
◎ Critical Infrastructure Ready
◎ Schneider Authorized
◎ Customizable Solutions
◎ Multi-Application Testing
◎ Customizable Solutions
◎ Multi-Application Testing
◎ Resistive Load Bank
◎ 500kW Grid Balancing
◎ Renewable Energy Optimized
◎ 500kW Grid Balancing
◎ Renewable Energy Optimized
Rack Mounted Load Banks
Suitable not only for data centers and switch rooms where space is often at a premium, but also applicable as a load in other industries.
◎ 18kW Rack-Mounted Design
◎ Airflow Testing Optimized
◎ Data Center Ready
◎ Airflow Testing Optimized
◎ Data Center Ready
◎ Modular Rack Design
◎ Hot/Cold Aisle Airflow
◎ Tiered Loading Control
◎ Hot/Cold Aisle Airflow
◎ Tiered Loading Control
◎ 8U Rack-Mounted Compact
◎ Dual-Channel (A/B) Control
◎ Multi-Stage Load Stepping
◎ Dual-Channel (A/B) Control
◎ Multi-Stage Load Stepping
◎ Liquid-Cooled High Density
◎ Modbus TCP Multi-Unit Control (250 devices)
◎ Comprehensive Safety Protection
◎ Modbus TCP Multi-Unit Control (250 devices)
◎ Comprehensive Safety Protection
About Us
Deyang Rata Technology Co., Ltd.(manufacturer), located in Jinshan Town, Deyang City, Sichuan Province, covers an area of 8,500 square meters and employs 45 people. Among our workforce, we have 8 sales professionals and 8-10 technical experts dedicated to providing high-quality solutions.
We specialize in manufacturing load bank equipment since 2013.
Founded Time
Why Partner with Rata
Provide Your Power Test Solutions. As a professional manufacturer, we specialize in manufacturing load bank equipment, including AC/DC loads, resistive, resistive-inductive, resistive-inductive-capacitive loads, and rack-mounted loads
Deep Expertise in the Power Testing Industry
With over 12 years of deep expertise in the power testing industry, we specialize in R&D and manufacturing of high/low voltage load banks, accumulating extensive reserves in load simulation technologies and solution frameworks. And as pioneers in establishing a complete high/low voltage load bank product system, our solutions serve critical sectors including marine, new energy, power utilities, data centers, and aerospace. We excel in deploying multi-scenario testing solutions, leveraging industry-leading capabilities to address complex power testing demands across diverse applications.
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In-House reactive inductors & Liquid Cooled Load Bank Breakthroughs
We have continuously built a core independent intellectual property system, with a cumulative total of 19 utility model patents, 2 invention patents and 6 software copyrights. We have established our own R&D and production line for reactive inductors, enabling independent development and manufacturing from core components to complete machines. Through continuous innovation, we have launched new products such as liquid-cooled load banks, strengthening our technological leadership in the field of high-power and high-heat dissipation load equipment.
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Engineered for Excellence: Premium Quality Built to Last
With a workshop area of over 8,850 m² and 3 production lines, our annual capacity reaches 6,000+ load banks. Certified by ISO quality management systems and CE, our products feature high-quality components and rugged structural designs. Critical parts undergo rigorous screening and testing to ensure long-term durability and stability. The enclosures, made from premium metal materials, offer excellent protection, enabling reliable operation in diverse working environments.
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End-to-end Services
We offer flexible end-to-end services across diverse industries, covering consulting & design, solution configuration, customized production, installation & debugging, training and maintenance. By establishing a rapid response mechanism, we support global remote technical guidance, on-site commissioning and technical training, enhancing project implementation efficiency for clients. We are committed to providing users in different regions with stable and cost-effective testing equipment and reliable service support.
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Customized Services
Amid the complex power testing demands across sectors like data centers, renewable energy & energy storage, power & infrastructure projects, marine & offshore platforms, and military aerospace, we deliver full-range customized load bank services.
As a load bank equipment manufacturer, our expert-tailored solutions precisely tackle harsh operating conditions in diverse scenarios, safeguarding the stable operation of power systems across industries.
Tailor load banks with 0.1% power factor precision for scenario- specific needs; Provide customized solutions with wide power adjustment ranges; Custom-build load banks to simulate special loads (inductive, capacitive, nonlinear, etc.).
Rata offers modular, space-saving load bank designs; Customize intelligent liquid- cooling, air-cooling, or hybrid (liquid + air) cooling solutions are all available; Environment-adaptive engineering: Optimize load bank structures and materials for enhanced shock resistance, corrosion protection, and wide-temperature tolerance.
Support customized fault simulation functions, presetting scenarios like overloads, short-circuits, harmonic interference, etc.
Brands We Serve
From state-owned power giants like State Grid to cutting-edge enterprises in aerospace, automotive, and telecommunications, our solutions have been adopted across diverse industries. Their choice is a testament to our commitment to quality and innovation. We are proud to partner with these industry leaders and look forward to serving more clients worldwide.
Project Cases Study
Load banks are an integral part of any power system infrastructure. From small indoor load tests to multi megawatt commissioning, Rata provides a load bank solution perfectly suited to any application.
Ratas's 3750 KVA Resistive/Reactive Load Bank is designed for diesel generators, gas generators, and backup power systems to perform factory acceptance testing, on-site commissioning, full-load testing, step-load testing, and annual maintenance tests. They accurately simulate real-world operating conditions with a combination of resistive and inductive loads.
Rata load bank widely used in a range of environments including hospitals, data centers, manufacturing facilities, utilities, aerospace and military applications.
● Horizontal air intake and vertical air outlet
● Local panel + Remote PC controL
● C5 anticrossive painting
● 12000X2438x2700mm
● Local panel + Remote PC controL
● C5 anticrossive painting
● 12000X2438x2700mm
As a load bank equipment manufacturer, our products are widely used in testing power generation equipment for industries such as marine, power plants, and renewable energy, as well as in grid balancing applications.
● Horizontal air discharge
● Local panel + remote PC control
● C5 anticrossive painting
● 6000X2438x2900mm
● Local panel + remote PC control
● C5 anticrossive painting
● 6000X2438x2900mm
Environment: Altitude of 2500 meters
Product Specification: 500kW 400Vac 50Hz
Quantity: 2 units
Application Scenario: Balancing the cable car power grid
Notes: When the cable car is in the downhill phase, it does not consume electrical energy. At this time, our load needs to be engaged to consume the excess power, ensuring the stable operation of the power generation system supplying the cable car.
Product Specification: 500kW 400Vac 50Hz
Quantity: 2 units
Application Scenario: Balancing the cable car power grid
Notes: When the cable car is in the downhill phase, it does not consume electrical energy. At this time, our load needs to be engaged to consume the excess power, ensuring the stable operation of the power generation system supplying the cable car.
Environment: Altitude of 2500 meters
Product Specification: Hydro-100L 100kW 400Vac 50Hz Liquid Cooling Load Bank
Quantity: 1 units
Application Scenario: Data Center
Notes: Data centers require tests with liquid-cooled load banks, which feature superior heat dissipation performance. For this reason, they have purchased our customized 100 kW liquid-cooled load bank.
Product Specification: Hydro-100L 100kW 400Vac 50Hz Liquid Cooling Load Bank
Quantity: 1 units
Application Scenario: Data Center
Notes: Data centers require tests with liquid-cooled load banks, which feature superior heat dissipation performance. For this reason, they have purchased our customized 100 kW liquid-cooled load bank.
Environment: Altitude of 2500 meters
Product Specification: 3750kVA 3MW 690Vac 50Hz
Quantity: 4 units
Application Scenario: Generator testing
Notes: The client needs to conduct generator testing for improved operating stability, therefore they purchased our integrated resistive-inductive load bank.
Product Specification: 3750kVA 3MW 690Vac 50Hz
Quantity: 4 units
Application Scenario: Generator testing
Notes: The client needs to conduct generator testing for improved operating stability, therefore they purchased our integrated resistive-inductive load bank.
Environment: Altitude of 2500 meters
Product Specification: 5000kW 400Vac /800vac 50Hz
Quantity: 4 units
Application Scenario: Generator testing
Notes: The client needs to conduct generator testing for improved operating stability, therefore they purchased our integrated resistive-inductive load bank.
Product Specification: 5000kW 400Vac /800vac 50Hz
Quantity: 4 units
Application Scenario: Generator testing
Notes: The client needs to conduct generator testing for improved operating stability, therefore they purchased our integrated resistive-inductive load bank.
Environment: Altitude of 2500 meters
Product Specification: 3750kVA RLC Load Bank 690Vac 50Hz
Quantity: 2 units
Application Scenario: Generator testing
Notes: The client needs to conduct generator testing for improved operating stability, therefore they purchased our integrated resistive-inductive load bank.
Product Specification: 3750kVA RLC Load Bank 690Vac 50Hz
Quantity: 2 units
Application Scenario: Generator testing
Notes: The client needs to conduct generator testing for improved operating stability, therefore they purchased our integrated resistive-inductive load bank.
PRODUCT: 10kW rack-mounted load bank
QUANTITY: 310 units
APPLICATION SCENARIO: Data center rack-level load simulation and commissioning support
QUANTITY: 310 units
APPLICATION SCENARIO: Data center rack-level load simulation and commissioning support
PRODUCT & SPECIFICATION: SILV-1000L 1000kW Resistive Load Bank
QUANTITY: 1 units
APPLICATION SCENARIO: UPS testing load simulation and commissioning support
QUANTITY: 1 units
APPLICATION SCENARIO: UPS testing load simulation and commissioning support
COUNTRY: France
QUANTITY: 586 units
APPLICATION SCENARIO: Data center rack-level load simulation and commissioning support
QUANTITY: 586 units
APPLICATION SCENARIO: Data center rack-level load simulation and commissioning support
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