Loading... Please wait...
Mon-Fri, 8:00-4:30 EST - ORDER/HELP DESK

Shop By Category

Click for the BBB Business Review of this Electric Equipment & Supplies - Retail in Grand Rapids MI
Online Payments

ASCO Avtron 4950 Stationary Load Bank (2500-4000kW)

  • Image 1
Call with Options for Price Quote: 1-888-331-5344
9,600.00 LBS

Bookmark and Share

The ASCO Avtron 4950 (LSV) Permanent Load Bank is designed for outdoor installation and offers a max capacity up to 4000 kW. For larger capacities, several Avtron 4950 load banks can be networked together using the optional SIGMA 2 control platform.


  • Load Capacity: Max capacity of 2500, 3000, 3500, or 4000 kW.
  • Standard Voltage: 3PH 480V.
  • Duty Cycle: Rated for continuous operation.
  • Load Step Resolution: 50kW minimum.
  • Controller: Remote manual toggle switch controller w/ NEMA 4 wall-mount enclosure. Controls include: Power On/Off switch, Blower Start/ Stop push buttons, Master Load On/Off switch, and Individual Load Step switches. Visual indicators include: Power On, Blower On, and Blower/Air Failure. See Options and Spec Sheet below for other options.
  • Control Power: An Integral Control Power Transformer is provided for control circuit operation. Also see Options below.
  • Cooling Power: Blower motor is factory-wired to the main load bus. Also see Options below.
  • Cooling: Approximately 66,000 CFM cooling is provided by integral TEFC or TEAO motor which is direct coupled to the cooling fan blade. Vertical airflow and discharge. The fan motor is fully protected with fuses, motor starter contractor, and overload relay.
  • Load Elements: ASCO Avtron brand load banks use helically wound chromium alloy Helidyne elements. Elements are fully supported across their entire length by segmented ceramic insulators on stainless steel rods.
  • Safety Features: Branch circuit fusing, a differential pressure switch provides cooling air loss protection, an over-temperature switch is provided to sense load bank exhaust temperature, blower motor circuit is protected by current limiting fuses, and thermal overload relays, operator warning and caution statements are located on appropriate access panels.
  • Load Connection: Copper bus bars with NEMA pattern are provided for customer load connections.
  • Enclosure: Heavy-gauge aluminized steel outdoor enclosure with high quality baked polyester powder coated finish. Designed for continuous outdoor weatherproof operation on a concrete pad or structural base. Welded lifting cleats are provided for overhead lifting.
  • UL Listed.


4950-LSV Spec Sheet

4950-LSV Drawing

Avtron 2-Year Warranty


  • Local Controller (instead of remote)
  • Control Power from External 120V 1PH 60Hz Source (instead of a Control Power Transformer)
  • Blower Power from External Power Source (instead of factory-wired to main load bus)
  • ADMS Digital Metering - (V, A, KW, Hz) with Data Logging Capability
  • Automatic Load Control
  • SIGMA 2 Digital Controls
  • Further Control Options (see Spec Sheet)
  • Arctic Rating for low temperature applications
  • Other Capacity/Volatge/Frequency Options available
4950 (LSV)
Max Capacity Options:
2500, 3000, 3500, or 4000 kW
Voltage Option:
480 VAC
Minimum Load Step Resolution:
50 kW
Control Power:
Integral Control Power Transformer for control circuit operation
Dimensions LxWxH (inches):
166 x 100 x 141
Weight :
9600 lbs.
Limited Warranty:
2 Year

Write your own product review

Product Reviews

This product hasn't received any reviews yet. Be the first to review this product!

Recently Viewed