500 kW Trailer-Mounted Load Bank (415V)

Manufacturer: Avtron Power Solutions

Overview

The 500 kW (415V) Trailer-Mounted Load Bank is a rugged, outdoor-rated resistive load bank engineered for accurate testing and commissioning of 415V generators, switchgear, UPS systems, microgrids, and industrial electrical infrastructure. Built on Avtron’s proven 5000 SERIES heavy-duty platform, this model provides precise, unity-power-factor loading with continuous-duty capability—no cool-down period required.

Ideal for rental fleets, international power systems, commercial facilities, data centers, and offshore or industrial projects utilizing 415V, 50 Hz or 60 Hz power, this load bank combines durability, portability, and advanced control features to support mission-critical testing in demanding environments.

Key Features

• 500 kW resistive load capacity at unity power factor

• Configured specifically for 415V applications (other voltages optional)

• Outdoor-rated, weatherproof construction for continuous operation

• Local manual control standard; optional SIGMA LT or SIGMA 2 digital controls

• Quick-connect cable receptacles for fast deployment

• Branch-circuit fuse protection for component safety

• High-performance cooling with integral blower motors

• Corrosion-resistant aluminized steel enclosure with powder-coat finish

• Horizontal airflow for efficient heat dissipation

• Trailer-ready or trailer-mounted configurations available

Technical Specifications

Electrical Performance

• Capacity: 500 kW resistive

• Voltage: 415V, 3-phase

• Frequency: 50 Hz or 60 Hz

• Power Factor: 1.0 (unity)

• Load Step Resolution: 5 kW increments

• Control Options:

  • Toggle-switch manual control

  • SIGMA LT digital touchscreen control

  • SIGMA 2 full-featured digital control & networking

• Cooling: Integral blower with motor circuit protection

Construction & Design

• Heavy-duty aluminized steel with powder-coat finish

• Hinged and bolted access panels for maintenance and inspection

• Louvered hot-air exhaust and protected air intake

• Designed for continuous outdoor use with no cool-down period

• Standard operating temperature range: –20°F to 120°F

• Optional Arctic Duty Package for –40°C climates

Dimensions & Weight (Typical)

• Load Bank Only: approx. 61" × 46.5" × 51"

• Weight: approx. 1,100–1,300 lbs (varies by options)

• Trailer Option: Dual-axle, DOT-legal road trailer (7,000 lb GVWR)

Available Options

• Trailer Mounting: Heavy-duty dual-axle DOT-approved trailer

• Cable Management:

  • Manual or electric load cable reels

  • Cable reel security covers

  • Load cable storage box

• Digital Controls:

  • SIGMA LT handheld touchscreen

  • SIGMA 2 advanced networking control

  • SIGMA Unity (multi-load-bank control software)

• Control & Monitoring:

  • Modbus integration

  • Ethernet / PC interface

• Extreme Climate Package: Arctic Duty (-40°C)

Applications

• 415V generator commissioning and FAT

• Industrial and offshore electrical system testing

• International facilities operating on 50 Hz / 415V systems

• Data center load testing (EMEA/APAC spec)

• Microgrid & renewable energy commissioning

• UPS and battery discharge testing

• Rental fleet testing & preventative maintenance

Why Choose the 500 kW (415V) Load Bank?

• Purpose-built for 415V global power systems

• High accuracy, unity-power-factor loading

• Extremely durable for rental and field-service environments

• Mobile design ideal for multi-site testing

• Scalable control—from simple manual operation to full SIGMA digital integration

• Backed by the reliability of the Avtron 5000 SERIES platform

Request More Information

Interested in this unit? Download the Spec Sheet or contact our team below to learn more about availability, pricing, and customization options for your project.