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100kW/200kW/300kW/400kW/500kW AC Resistive Load Bank for Generator Testing

Control Methods:Touchscreen/Remote Control/APP Display Parameters:Voltage/ Current/ Active Power/ Frequency / etc Load Accuracy:-5%~+2% Display Accuracy:0.5% Noise Level:65~85dB Ambient Temperature:-10°C~+50°C
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100-200kW 3 Phase AC Load Bank | Generator & UPS & Invert & Energy Storage Full Load Testing
Compact programmable AC load bank for witnessed acceptance test of generators, UPS and energy storage systems and Other Power Source Machines. 3-phase AC 0~400V, parallel expandable.

Product Features and Benefits
✅3 Phase AC 0~400V Wide Input | Support generator, UPS & ESS witnessed acceptance test.
✅ CR Load Mode | Simulate real resistive load for factory & site commissioning.
✅ Multi Protection OCP/OVP/OTP | Protect your DUT from damage during testing.
✅ Real-time Data Logging & Fault Record | Generate test report for project acceptance.
✅ Mobile APP + Touch Screen Remote Control | Easy operation on site.
✅ Multi-unit Parallel Support | Expand power to meet larger capacity testing.
✅ CE Certified | Meets global export standards.
✅ Compatible with 480V 3-phase US power system

✅ 50/60Hz adjustable

✅ UL compliant components

✅ Export packaging & USA shipping available

✅ 12 months warranty + technical support


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                             Click Here to Start Contacting Us

【Hot Questions(RFQ)】

Q1: What is the rated power of this air-cooled resistive load bank?

A1: Rated power can be customized from 100kW up to 5000kW.


Q2: What three-phase voltage systems does this resistive load bank support?

A2: It supports 415V Line / 230V Phase three-phase power. 400V/230V and 480V(277V phase) versions are available as customized options.


Q3: Can multiple resistive load banks be paralleled for large capacity testing?

A3: Yes. Multiple units can be synchronized and paralleled together to realize higher total load capacity for large-scale power system testing.


Q4: Can the system automatically generate test reports?

A4: Yes. The system automatically records full test data and exports editable test reports in CSV / PDF format for project acceptance and handover.


Q5: Is overseas on-site commissioning and training service available?

A5: Yes. We offer overseas on-site commissioning, operation training and long-term technical support.
Remote online commissioning is also available as an alternative solution.


Q6: What is the load adjustment step resolution?

A6: Standard load step resolution is 1kW. Finer step resolution can be configured upon customer request.


Q7: Does it support remote control via MODBUS / TCP/IP communication?

A7: Yes. MODBUS-RTU and MODBUS TCP/IP are built-in. It supports remote load setup,
real-time data acquisition and alarm monitoring.


Q8: What is the cooling method of this load bank?

A8: Air cooling is the standard configuration. Liquid cooling version is optional for high heat density applications if required.


Q9: What is the maximum continuous operating time under full rated load?

A9: It supports 24/7 continuous stable operation at full rated load.


Q10: Can it simulate dynamic load fluctuation for UPS switching and power failure tests?

A10: Yes. It supports programmable dynamic load profiles, step and ramp load variation,
to simulate power outage and UPS transfer switching scenarios.


Q11: What built-in protection functions are equipped? (overheat, overcurrent, overvoltage, emergency stop etc.)

A11: Built-in protections include over-temperature, over-current, over-voltage, under-voltage, fan failure and emergency stop.
The unit will automatically cut off the load once any alarm is triggered.


Q12: What is the delivery lead time for standard and customized models?

A12: Standard models: 4–6 weeks. Customized special voltage or modified structure models: 8–12 weeks, subject to final project specifications.


Q13: What data parameters can be recorded during testing?

A13: It records voltage, current, active power, apparent power, power factor, temperature, running time and alarm logs.


Q14: What is the working ambient temperature range for the load bank?

A14: Standard working ambient temperature: -20℃ ~ +50℃. Special low/high temperature adaptation can be customized.


Q15: What is the warranty period?

A15: 12 months warranty from the date of shipment. Lifetime paid technical support and spare parts supply are available after warranty expiry.




1. Q: What is the lead time?
A: Standard VILVA-RH load banks have a lead time of 15–25 working days. Customized models will be confirmed according to your technical requirements.
2. Q: What’s your warranty period?
A: We provide 12 months warranty for the whole machine from the date of shipment. Lifetime technical support is available for all our load banks.
3. Q: Can load banks work in parallel?
A: Yes. VILVA-RH series supports multi-unit paralleling. Multiple load banks can be connected to expand total test power for large-capacity generator, UPS and energy storage testing projects.
4. Q: Can you customize voltage / power?
A: Yes. We support custom voltage, power, control function and cabinet structure. Please share your test specifications for a customized solution.
5. Q: Do you provide on-site commissioning service?
A: We can provide remote guidance for commissioning. On-site service is available upon request; service cost will be quoted separately.

IF You Have Any Load Bank Tester Needing, Please Kindly Contacting with US!

Email: tompan@vilva-test.com
Whatsapp: +86 13066198582

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If you have any questions or suggestions, please write down your questions or suggestions, we will answer your questions as soon as possible!

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