Resistive Load Banks
Safeguard performance with resistive load banks
As a professional resistive load banks manufacturer, 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.
Key Features
Our resistive load banks are dedicated equipment for generator set type tests and factory inspections. They precisely verify generator performance, ensuring reliable output, ideal for critical pre- deployment checks.
Equipped with an optional intelligent testing system, it can automatically measure all electrical parameters of generators, and generate various charts, curves, and reports. This streamlines data analysis, saving time and reducing manual errors.
We offer a full portfolio of resistive load banks covering diverse power (100kW - 8000kW), voltage (400V - 10.5kV), and frequency (50/60Hz) specs. Whether for small-scale checks or large-generator testing, there's a perfect match for every application demand.
Designed with precise dimensions and weight specs, our load banks ensure stable operation and easy integration into testing setups. They meet strict industry standards for generator testing, delivering consistent, trustworthy results to validate equipment performance.
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Our range of Resistive Load Banks
The resistive load bank is a precision test instrument that simulates purely resistive electrical equipment. It generates a precisely controllable pure active load by consuming electrical energy. It is specially used for safe and stable load testing, aging testing and performance verification of power equipment such as generators, UPS, and photovoltaic inverters in laboratories or on-site. Its core advantage lies in providing simple and reliable resistive load simulation without harmonic interference and power factor shift, ensuring that the test results truly reflect the load capacity, efficiency, voltage drop, temperature rise and steady-state working characteristics of the equipment under full-load pure resistive conditions.
The Rata Hydro-500L is a 500kW AC liquid-cooled resistive load bank designed for high power density environments, providing controlled load testing for three-phase AC power supplies. Its core advantage lies in its innovative liquid cooling system, which enables stable operation at full rated power while minimizing heat dissipation and noise in the test environment, making it ideal for indoor test facilities where traditional air-cooled solutions are impractical.
The Rata Hydro-100L is a 100kW AC liquid-cooled resistive load bank designed for high power density environments, providing controlled load testing for three-phase AC power supplies. Its core advantage lies in its innovative liquid cooling system, which enables stable operation at full rated power while minimizing heat dissipation and noise in the test environment, making it ideal for indoor test facilities where traditional air-cooled solutions are impractical.
The Rata SILV-100L is a high-performance 100kW resistive AC load bank designed for performance testing and maintenance of data centers, generator sets, UPS systems, and other power equipment. Rated at 400Vac, it supports three-phase four-wire connections at 50/60Hz.
Rata's 3600kW resistive load bank is a critical test device designed specifically for large-scale energy storage systems. This load bank has a rated test voltage up to 950 Vac, supports three-phase four-wire (Delta connection) at 50/60Hz, and features a fine load step resolution of 60kW. Its primary function is to simulate real electrical loads during full-power discharge testing of energy storage systems, especially those equipped with PCS power conversion systems, thereby safely and controllably verifying system performance.
In modern data centers and power systems, a stable and reliable power supply is crucial. Before a system is officially put into operation, engineers must conduct comprehensive load testing using specialized equipment.
The RM-10D Rack Mounted AC Load Bank from RATA Technology is a high-performance, space-saving solution designed for reliable power testing in data centers, UPS systems, generator sets, and industrial applications. With a 10kW continuous capacity at 400Vac / 60Hz, this 8U rack-mounted unit delivers precise load simulation in a compact 483mm width × 660mm depth footprint.
The SILV-1000L is a 1000kW resistive AC load bank manufactured by Rata, designed specifically for testing power systems such as generators, UPS, and switching equipment.
（1）Stackable；
（2）With an inlet and outlet air temperature display
（3）The main load circuit uses a 400A European standard quick-connect connector
（4）The enclosure is suitable for outdoor use
（5）Removable louvers
（6）Generator testing & commissioning
Data center UPS / PDU testing;
Renewable energy (solar / wind / BESS);
Industrial power systems;
（2）With an inlet and outlet air temperature display
（3）The main load circuit uses a 400A European standard quick-connect connector
（4）The enclosure is suitable for outdoor use
（5）Removable louvers
（6）Generator testing & commissioning
Data center UPS / PDU testing;
Renewable energy (solar / wind / BESS);
Industrial power systems;
A 500kW resistive AC load bank (Model No. SILV500-L) is a heavy-duty, high-precision testing solution engineered for validating large-scale electrical systems, delivering exceptional scalability, reliability, and adaptability for global industrial power testing applications. Manufactured in China by Deyang Rata Technology Co., Ltd, this 3-phase 4-wire load bank is purpose-built for testing high-capacity generators, UPS systems, and electrical infrastructure across manufacturing, energy, and data center industries, standing as a premier choice for businesses seeking accurate, efficient load testing that adheres to international quality and safety standards.
A 90kW resistive AC load bank (Model No. RTLBS90L) is a high-precision, industrial-grade testing solution engineered for rigorous electrical system validation, delivering unrivaled accuracy, durability, and operational flexibility for global power testing applications. Manufactured in China by Deyang Rata Technology Co.,Ltd., this 3P4W load bank is optimized for testing generators, UPS systems, and electrical infrastructure across industries, emerging as the trusted choice for engineers and businesses seeking reliable, scalable load testing with compliance to international standards.
A 100 kW portable load bank is the workhorse for data center testing because it provides the right balance of power, portability, and modularity. It can validate UPS, generators, PDUs, and cooling systems, making it the most common and versatile load bank size in the industry.
Designed specifically for outdoor operational scenarios, this 500kW three-phase AC dummy load bank integrates a purpose-built canopy to shield critical components from environmental factors.
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Solve Unique Electrical Challenges with Custom-Engineered Load Banks
No two projects are the same. That's why we design load banks around your specific voltage, frequency, and phase needs. Whether you're navigating global voltage standards, testing unique power systems, or solving niche industrial challenges, our custom solutions adapt to you, delivering reliability where it matters most.
Resistive Load Banks FAQ
1
What Load Bank Packages Do You Have?
Our resistive load banks offer a wide range of specifications. For power, we have models from 100kW to 8000kW (covering common application needs like generator set type tests and factory inspections). Voltage supports 400V and 6.3/10.5kV, with frequencies at 50Hz or 50/60Hz. Dimensions and weights vary by power (e.g., 100kW model:11009001000mm,~320Kg). We also provide "turnkey project" solutions—covering equipment supply, installation, and full - process support for seamless deployment.
2
What design features make your resistive load banks suitable for different environments?
Our resistive load banks (e.g., the 5000kW model for power plants) feature a container - type design for robust structure. The cooling system uses horizontal air intake and vertical air exhaust, plus a top air - guide hood—allowing operation even in rainy weather. These designs ensure adaptability to various environmental conditions, from indoor factories to outdoor power plant sites.
3
What design features make your resistive load banks suitable for different environments?
Our resistive load banks (e.g., the 5000kW model for power plants) feature a container - type design for robust structure. The cooling system uses horizontal air intake and vertical air exhaust, plus a top air - guide hood—allowing operation even in rainy weather. These designs ensure adaptability to various environmental conditions, from indoor factories to outdoor power plant sites.
4
Do You Have Any Certification?
Yes. Our products hold ISO9001, ISO45001 certifications, along with the CE mark. These certifications comprehensively ensure product quality, environmental friendliness, and operational safety, providing you with all-round compliance guarantees.
5
Why is a resistive load bank the preferred choice for generator testing?
In generator testing, a resistive load bank can:
（1）Accurately simulate real power consumption；
（2）Support 25% / 50% / 75% / 100% graded loading；
（3）Verify the generator's voltage, frequency, and thermal stability under full load；
（4）Also, it avoids carbon buildup problems caused by long-term light-load or no-load operation of the generator, making it the most basic and reliable load type for generator testing；
6
Are resistive load banks suitable for continuous operation and aging tests?
Excellent.
Resistive load banks have a simple structure, linear load distribution, and offer:
（1）Long-term continuous operation capability；
（2）Stable thermal performance；
（3）Low failure rate
They are commonly used for durability and aging tests of industrial power supplies, power generation equipment, and power systems.
7
Can resistive load banks meet the needs of applications with different voltage and power ratings?
Yes. Resistive load banks typically support:
（1）Multiple voltage ratings (400V / 415V / 480V / 690V, etc.)；
（2）Customized power ratings (tens of kW to MW)；
（3）Fixed, rack-mounted, containerized, or mobile designs
Capable of covering diverse needs from laboratory settings to large industrial projects.
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FACTORY ENVIRONMENT
Lets Get in Touch
You can contact us with email, phone, or by filling out the form on this page. We strive to respond promptly and look forward to connecting with you soon!
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We're here to assist you with any inquiries!
How Can We Help?
Contacts: Gong Zhenhua
E-mail: gongzhenhua@rata.top
Phone/ WhatsApp: 0086-13890270038
Address: Hongyu Road East, Jinshan Industrial Park, Luojiang Disctrict, Deyang. China
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