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Power Distribution Panels with KVA Transformers - 75KVA Power Distribution - 480V to 208Y/120V - (2) 30A 480V (8) 50A 208V (6) 20A 208V (2) 20A 120V You're NOT logged in, Please log in   

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75KVA Power Distribution - 480V to 208Y/120V - (2) 30A 480V (8) 50A 208V (6) 20A 208V (2) 20A 120V

Part # MGS-2X480.30-75KVA-8X208.50-6X208.20-2X120.20-MOX    Price: $16,218.28

Spec Sheet   


Made in Texas

The Larson Electronics MGS-2X480.30-75KVA-8X208.50-6X208.20-2X120.20-MOX heavy duty power transformer substation converts 480 AC three phase electrical current to three phase 208Y/120V AC. This unit provides operators the ability to safely tap into and distribute 208V and 120V AC power from a variety of sources including generators and direct grid power. This portable substation is suitable for outdoor applications, with a fully potted transformer and NEMA 3R load center. Operators can connect up to two 30A 480V devices, eight 50A 208V devices, six 20A 208V devices, and two 20A 120V devices.


The Larson Electronics MGS-2X480.30-75KVA-8X208.50-6X208.20-2X120.20-MOXtransformer provides a safe and effective way for operators in industrial settings to tap into and utilize power sources independently of the work area. This unit provides an effective power source for operators performing plant turnarounds, maintenance and cleaning in hazardous areas, equipment installations and repairs and any activities requiring an alternative to native power sources.

Operation: Customer provided line-in cord brings 480V three phase power to the 225-amp, 480V, 3-phase primary MLO panel, which contains two 30-amp breakers protecting two 30-amp Killark VR341 4P4W 480V receptacles and one 100-amp breaker protecting the 45 KVA transformer. The NEMA 3R transformer converts 480V three phase power to three phase 208Y/120V. The secondary side of the transformer feeds a three phase 208Y/120V NEMA 3R 225-amp MLO panel. This secondary panel contains eight 50-amp breakers protecting eight 50-amp Cooper Arrow Hart CS6369 208V receptacles with mating yellow flip covers, six 20-amp breakers protecting six Arrowhart L15-20R 20-amp receptacles, and two 20-amp, 120V breakers protecting two ivory 20-amp, 5-20R GFCI duplex receptacles. The receptacles are mounted to a flat plat backboard for easy access when connecting secondary devices, and all receptacles are equipped with waterproof hinged covers.

Protective Construction: Unlike many portable power distribution boxes made of plastic and utilizing thin gauge, low grade metals in their construction, this unit is designed for serious use and is ruggedly constructed to withstand demanding conditions and heavy duty industrial applications. The transformer and load assembly is mounted on a 3/16" thick carbon steel mounting platform and the load center/distribution assembly is mounted to the standard 2" x 2" x 1/8" square carbon steel tubing frame, resulting in an extremely stable, durable and well protected power distribution platform. This model is equipped with forklift skid pockets, locking casters, and a top located lifting eyelet which allows easy lifting with cable or chain hooks. This can be replaced for an additional cost with stainless steel, hot dip galvanized steel, or aluminum depending on the customer’s needs. Larger units are available upon request and can be equipped with skids or trailer mounted.

Click Photo to Enlarge
Click Photo to Enlarge

Grounding: Transformer is grounded to the frame and we provide a grounding lug on the frame for the earth ground.
~Please check all motor loads for dual rated motors that will work 208 or 240.~

Applications: This power distribution system is ideal for indoor or outdoor use and applications including but not limited to, construction sites, plant maintenance, plant turnarounds, shows, exhibits, and shipyard operations. These power distribution systems are popularly used in applications where external power sources are often necessary. We also offer class rated transformers for use within explosion proof and hazardous location environments.

Custom Built Systems Available: Larson Electronics is a manufacturer and we can build portable power distribution systems to your specifications. Although we carry several models of portable power distribution systems in stock, we can deliver custom ordered units almost as quickly as our prebuilt units. If this model does not meet your needs, please contact us at 1-800-369-6671 or to discuss your specific requirements.

Specifications / Additional Information

Power Distribution System
Line-In Cord: Customer provided UL 1640 Portable Power-Distribution Equipment
Line-In Cord Cap: Customer provided NEMA 3R Indoor or Outdoor Use
Primary Voltage: 480V AC Three Phase Made in the USA
Primary Panel: 225A MLO N3R  
Primary Breakers: (2) 30A (480V RCPT), (1) 100A (XMFR)
Primary Outlets: (2) 30A Killark VR341 4P4W Pin/Sleeve
Transformer KVA: 75KVA 480V-3P to 208Y120-3P N3R
Secondary Voltage: 208Y/120 3P
Secondary Panel: 225A MLO N3R
Secondary Breakers: (8) 50A (208V RCPT), (6) 20A (208V RCPT), (2) 20A (120V RCPT)
Secondary Outlets: (8) 50A Cooper Arrow Hart CS6369, (6) Cooper Arrow Hart L15-20R, (2) Ivory 5-20R Duplex  
Secondary Protection: Weatherproof Flip Covers, GFCI [120V Duplex] Special Orders- Requirements
Form Factor: Square tube frame, hinged access doors, skid pockets, top pick eye & locking 8” locking casters Contact us for special requirements
Finish: Powdered Coated - Blue Toll Free: 1-800-369-6671
Dimensions: 34”-L X 40”-W X 58”-H Intl: 1-903-498-3363
Weight: 750 lbs E-mail:
Larson Electronics manufacture a wide variety of custom power distribution systems. The pictures displayed for this unit are a general representation of form factor and may not accurately represent this exact configuration in every detail due to being custom builds. The specifics for this configuration are listed in the specification table and one-line diagram. *All grounding shall comply with state and local codes and meet the minimum requirements of the National Electronic Code section 250*
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Part #:MGS-2X480.30-75KVA-8X208.50-6X208.20-2X120.20-MOX (146794)
In Stock:Yes



Customer Rating:
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    Sale Prices in RED
Product  Part #PriceOption 1Option 2Option 3Qty
75KVA Power Distribution - 480V to 208Y/120V - (2) 30A 480V (8) 50A 208V (6) 20A 208V (2) 20A 120VMGS-2X480.30-75KVA-8X208.50-6X208.20-2X120.20-MOX$16,218.28N/AN/AN/A 

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