New Arrival SILV-500kw Resisitive Load Bank Manufacturer Rata 1

New Arrival SILV-500kw Resisitive Load Bank Manufacturer Rata 2

New Arrival SILV-500kw Resisitive Load Bank Manufacturer Rata 3

New Arrival SILV-500kw Resisitive Load Bank Manufacturer Rata 4

New Arrival SILV-500kw Resisitive Load Bank Manufacturer Rata 5

New Arrival SILV-500kw Resisitive Load Bank Manufacturer Rata

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.

Warranty time:

3 years

Delivery time:

4 weeks

ISO Certification:

ISO9001/ISO14001

Brand:

RATA

Factory Price:

Negotiate

Supply Ability:

200,000 Piece/Pieces per Month

Port:

Shanghai and Guangzhou are both available

Payment Terms:

L/C,Cash,Western Union,T/T, Paypal

Min.Order Quantity:

1 pcs

ODM & OEM:

Available

Certification:

CE 60204 Standard

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Product Introduction

Engineered with a 415Vac rated testing voltage, 1kW load step resolution, and a flexible load step configuration, the SILV500-L provides ultra-precise control over load testing scenarios, while its continuous operation capability and rugged construction (2mm thick steel IP54 enclosure, 400A waterproof quick connectors) ensure uncompromising performance in extreme ambient conditions from -20°C (-4°F) to +50°C (122°F) and at altitudes up to 2000m.a.s.l.

Equipped with HMI touch screen manual control, PC software remote operation, and Modbus TCP communication, it enables automated, real-time testing with seamless data integration, optimizing workflows for power system manufacturers, maintenance teams, and industrial facilities worldwide. Boasting thermal emergency cut-out, fan overload protection, and emergency stop features, this load bank prioritizes operational safety, while its castor-mounted portability and horizontal forced air cooling (70m³/h per kW airflow) enhance usability and durability for both indoor and outdoor applications. Certified for global compliance, the SILV500-L merges cutting-edge engineering with practical design, meeting the stringent demands of the international electrical testing market and supporting sustainable power infrastructure development.

Key Features

New Arrival SILV-500kw Resisitive Load Bank Manufacturer Rata 7

400A Quick-Connect Ports

Fast, secure electrical connections to cut testing downtime for high-capacity generator/UPS validation.

New Arrival SILV-500kw Resisitive Load Bank Manufacturer Rata 8

2mm-Thick Grounded Steel Enclosure

Rugged 2mm steel sheet construction (with grounding) ensures structural durability and electrical safety for harsh industrial environments.

HMI Touchscreen Control Panel

Intuitive touchscreen operation simplifies load configuration, real-time monitoring, and data logging—no complex manual setups.

Dual Control Circuit Protection

Integrated fan protection + PLC protection prevents component damage, extending service life in continuous-duty scenarios.

20% Reduced Volume (4/5 of Traditional Models)

Compact design eases transportation and on-site deployment for remote or warehouse-based testing.

Enclosure drawing(mm)

Product Specifications

Description
Model No.	SILV500-L
Country of origin	China
Max capacity	500kW
Rated testing voltage	415Vac
Frequency	50/60Hz.
Phases	3
Wires(Star connection)	4
Load step resolution	1kW
Load step (kW)	1 +2+2+5 +10+10+20+50+ 100+100+200
Voltage Tolerance (Short Term Operation)	5%
Load Element Tolerance	± 3%
Insulation Test	600Vac
Load Connections	400A waterproof quick connector
Protection	Thermal emergency cut out
	Air flow switch
	Fan overload protection
	Emergency stop
Control voltage	415Vac / 3 phases 5wires
Cooling method	Air forced cooling
Airflow volume(Approx. CMM)	Each kW 70m³/h
Airflow direction	Horizontal
Load switching contactor type	3 pole AC contactors
Rated maximum ambient temp. operation	+50°C / +122°F
Rated minimum ambient temp. operation	-20°C / -4°F
Altitude rating	<2000m [m.a.s.l.]
Control chamber IP rating	IP 54 (Outdoor using)
Portabality	Castor*4
Enclosure dimentions
Length(mm)	1155
Depth(mm)	1205
Height(mm)	1120
Weight(KG)	800
Load bank control system
Manual control Remote control	HMI touch screen+ digital meter PC Software
Communication	Modbus TCP.
Test voltage(3 phases)	Power derating with lower voltage
Test voltage(3 phases)	applied.
415V	500 kW
400V	464.5 kW

Product detail images

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WechatIMG411

FAQ

What are the main application scenarios for the SILV-500L load bank?

The SILV-500L is mainly used for generator set testing, UPS system testing, power system aging testing, and load verification in data centers and industrial power systems. It is suitable for factory testing and on-site commissioning.

What type of load element does the equipment use? What is its temperature resistance?

The load element is a high-quality resistive element, with a temperature resistance up to 1200°C, exhibiting good thermal stability and long-term reliability.

What safety protection functions does the load cell have?

The equipment is equipped with multiple safety protections, including: （1）Over-temperature emergency power-off protection；（2）Air volume (air pressure) switch protection；（3）Fan overload protection；（4）Emergency Stop button；（5）Independent fuse protection for each load step.

Is the connection method and installation of the load bank convenient?

The main circuit uses a 400A waterproof quick-connect interface, ensuring fast and reliable wiring; the equipment is equipped with four casters at the bottom for easy movement, deployment, and on-site adjustment.

For on-site use in data centers, are the equipment's noise and heat dissipation controllable?

The equipment employs a high-efficiency airflow design and industrial-grade fans, ensuring stable heat dissipation while controlling noise levels, making it suitable for use in the periphery of data center server rooms, generator rooms, or outdoor testing areas.

Can the load bank be used with a UPS or PDU system?

Yes. The equipment supports testing via generator or UPS output, suitable for UPS back-end verification, PDU power supply capacity testing, and system linkage commissioning.

Does it support extended testing in data center systems with multiple generators or multiple power supplies?

Yes. The equipment can be deployed in parallel or in a distributed manner according to project requirements, meeting the requirements for testing multi-generator systems or zones in data centers.

What practical benefits does using a load balancer bring to a data center?

（1）Early detection of potential generator failures；（2）Reduce the risk of emergency power failures；（3）Improve system acceptance and maintenance efficiency；（4）Ensure critical IT loads operate stably during power outages.

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