Guangdong Ruisite Electric Co., LTD.
Guangdong Ruisite Electric Co., LTD.
Products
300KW 380V Load Bank
  • 300KW 380V Load Bank300KW 380V Load Bank
  • 300KW 380V Load Bank300KW 380V Load Bank
  • 300KW 380V Load Bank300KW 380V Load Bank
  • 300KW 380V Load Bank300KW 380V Load Bank

300KW 380V Load Bank

RST Electric delivers a high-capacity 300kW 380V Load Bank built for rigorous AC power system validation. Designed for large-scale generator testing, UPS commissioning, and industrial power applications, this 300kW 380V AC Load Bank offers precise resistive loading with advanced step control and multiple protection features. Its robust construction and forced air cooling enable continuous operation under full load, while the intuitive HMI and remote communication interfaces (RS485/Modbus) provide flexible control. Trust RST Electric for reliable, custom-engineered load bank solutions backed by years of manufacturing expertise. Request a quote today for tailored voltage and enclosure options.

The 300kW AC Resistive Load Bank from RST Electric is a heavy-duty testing instrument designed for demanding power validation environments. Operating at 380V AC (50/60Hz), this 300kW 380V Load Bank features a customizable step load configuration with a minimum increment of 5kW, enabling precise simulation of electrical loads. The unit integrates a high-accuracy CET PMC meter for real-time monitoring of key parameters including voltage, current, power, and frequency. Built with a cold-rolled steel chassis and automatic fan cooling, it ensures stable performance even during extended test cycles. Optional remote control via PC software or Modbus-RTU allows seamless integration into automated test systems. Ideal for power stations, data centers, and renewable energy projects, this load bank combines durability with advanced functionality.


Technical Specification


Model

300kW-380V

Model

300kW-380V

Load Type

Resistive

Rated voltage

AC380V 50/60Hz

Number of phases

3P4W

ResistivePower

300kW

Aux. Voltage

AC380VAC, 3P4W,50/60Hz

Load step

5kW*2+10kW*2+20kW+50kW*5

Min step load:5Kw

Load step is customizable

Protection

Short circuit protection, over-current protection, over-voltage protection, fan air volume protection, Over tempprotection

MeasurementParameters

Display basic functions such as voltage, current, active power, reactive power, apparent power, power factor, frequency, etc.

Cooling method

Forced air cooling, automatic load loading and automatic shutdown of the fan when the load stops

LoadingAccuracy

±3%

Chassis construction

Customized sheet metal chassis

Movement method

Support top lifting and bottom forklift transportation.

Working system

Continuous work

Noise

≤ 82dB,@3 meters

Air direction

Bottom in, Top out.

Display accuracy

0.5 class

Control mode

Local:HMI

Remote:PC software/RS485/Modbus-RTU

Dimension

W1150mm×D1300mm×H1650mm

Equipment material

Cold plate plastic spraying

Weight

About450kg

Color

Customized

Protection level

IP20

Meters

CET PMC-53AE-5925AXE

Other

European standard socket(16A)



Product Advantages


Our 300KW 380V Load Bank features high-precision loading capabilities, with a loading accuracy of ±3%. Coupled with precise step control, it can provide you with stable and reliable test data, meeting the precise requirements for various power equipment tests. We adopt a heavy-duty chassis design and equip it with industrial-grade components, which are sturdy and durable, effectively extending the equipment's service life and suitable for long-term continuous operation scenarios.

We incorporate multi-layer safety protection design in the product, which can effectively prevent various abnormal situations such as overload, overvoltage, and overheating, providing comprehensive safety and equipment integrity during the testing process. At the same time, the product supports Modbus-RTU, RS485 communication protocols and computer remote control, enabling automated testing, with convenient and efficient operation; it is locally equipped with an HMI human-machine interface, presenting clear and intuitive data display, with simple operation, which can significantly improve testing efficiency.


Application Scenario


In the power station and power grid field, the 300KW 380V Load Bank is an essential equipment for the commissioning and load testing of generators and grid-connected devices, ensuring the stable operation of the equipment. In data centers, it can verify the performance of UPS and the full-load reliability of backup power supplies, ensuring the safety of power supply in data centers. In renewable energy systems, it can be used to test solar inverters, wind turbine converter units, and energy storage inverters, helping to optimize the performance of new energy equipment. In the field of AC charging infrastructure, it can evaluate the performance of electric vehicle charging stations and AC sockets, ensuring charging safety. At the same time, it is also applicable to aircraft power systems and can be used for ground power device testing and various aerospace-related power testing scenarios.


Drawing and dimensions



About Package


Every 300kW 380V Load Bank from RST Electric is carefully packaged for international shipping. The unit is wrapped in waterproof film, secured with heavy-duty strapping, and placed in a custom wooden case designed to withstand the rigors of sea and air transport. Our commitment to professional packaging ensures your equipment arrives safely and on time, ready for deployment.



300KW 380V Load Bank


About RST Electric


We Are the Source Factory

● Direct Manufacturer based in China, ensuring competitive pricing and quality control.

● No intermediaries — you deal directly with the production team.

● Factory-direct advantages for all 300kW 380V Load Bank orders.


Professional Manufacturing

● Specialized in high-power 300kW 380V Load Bank and custom test solutions.

● State-of-the-art production lines with ISO-standard quality management.

● In-house R&D and three automated factories covering 7000+ square meters.


Global Supply Experience

● Proven Supplier to clients in USA, Europe, Southeast Asia, Middle East, and beyond.

● Deep expertise in generator, UPS, data center, and renewable energy testing.

● Hundreds of successful installations worldwide.


Custom Solutions Available

● Voltage customization: 380V / 400V / 480V / 690V / Other.

● Enclosure protection: IP23 indoor / IP56 outdoor / Custom designs.

● Control options: Manual / PLC / Remote PC / Mobile app.


Reliable Delivery & Support

● Efficient production scheduling ensures short lead times.

● Full technical documentation, commissioning support, and after-sales service.

● OEM/ODM partnerships welcome — your specifications, our manufacturing expertise.




Hot Tags: 300KW 380V Load Bank, China, Manufacturer, Supplier, Factory
Send Inquiry
Contact Info
If you have any enquiry about quotation or cooperation, please feel free to email or use the following inquiry form. Our sales representative will contact you within 24 hours.
X
We use cookies to offer you a better browsing experience, analyze site traffic and personalize content. By using this site, you agree to our use of cookies. Privacy Policy
Reject Accept