Larson 30KVA Power Distribution Station - 480V to 208Y/120V 3PH - (2) L16-30R (4) 520R-GFCI Receptacles

Larson ElectronicsSKU: PL3-MGS-480.2X30A-3P-30KVA-208.120-4X20A

Sale price$25,685.99


PuriLite suggests you place an order directly with us for large Larson orders due to the potential customization requirements. Please call us at 1-844-787-5483 to place your order. If you prefer to place your order online, a PuriLite agent will be in touch with you to discuss any custom options.
This unit is Made In USA - Manufactured in Texas
The Larson Electronics MGS-480.2X30A-3P-30KVA-208.120-4X20A power distribution substation converts 480VAC three phase electrical current to three phase 208Y/120VAC. This unit provides operators the ability to safely tap into and distribute 480VAC power from a variety of sources including generators and direct grid power.
The MGS-480.2X30A-3P-30KVA-208.120-4X20A portable power distribution system gives operators the ability to power their 480 volt and 125 volt equipment from a single system. On the primary side, operators connect 480 volt line-in power using a customer provided cord to two L16-30R receptacles for 480V equipment. On the secondary side, operators connect to four 520R-GFCI receptacles for 125V equipment.
A customer-provided cord brings 480V three phase power to the primary 480V three phase 100-amp main circuit breaker NEMA 3R panel, which contains two 480V, 30-amp, 3-pole breakers protecting two L16-30R receptacles, and passes 480V three phase through to the transformer. The NEMA 3R 30KVA transformer converts 480V to 208Y/120V and feeds the secondary 208Y/120V three phase 125-amp main lug NEMA 3R panel. This secondary panel contains four 125V, 20-amp, 1-pole breakers protecting four 520R-GFCI receptacles.
The transformer and distribution assembly is mounted onto a rugged carbon steel frame with integrated skid pockets and a top located lifting eyelet to allow easy transport.
The standard frame construction is ¼ inch thick, 3 inch square tubing frame. This can be replaced for an additional cost with stainless steel, hot dip galvanized steel, or aluminum depending on the customers needs. This power distribution system is designed for outdoor use and applications including but not limited to, plant maintenance, hazardous location operations, as a welding station, shows, exhibits, and marine applications.
Larson Electronics is a UL 1640 panel shop and certified to build portable power distribution systems. All units are built in accordance to NFPA 70 (National Electric Code) and certified to UL 1640. All equipment is NEMA 3R rated for indoor and outdoor use and provide a degree of protection against dirt, water, and ice. NEMA 4 and NEMA 4X equipment can be equipped upon request.
Transformer is grounded to the frame and we provide a grounding lug on the frame for the earth ground.
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 1-844-787-5483 or
to discuss your specific requirements.

Line-In Cord: Customer Provided
Line-In Cord Cap: Customer Provided
Primary Voltage: 480V 3PH
Primary Disconnect: -
Primary Panel: 480V 100A MCB Panel N3R
Primary Breakers: (2) 480V 3P 30A, (1) 480V 3P 40A
Primary 100A @ 480V 480V 3PH - 480V 100A MCB Panel N3R (2) 480V 3P 30A, (1) 480V 3P 40AReceptacles: (2) L16-30R  Breakers, N3R covers
Receptacles Primary : (2) L16-30R (4) 520R-GFCI DPLX.
: Customer Provided100A @ 480V Customer Provided40A @ 480V 480V 3PH83.3A @ 208V - 480V 100A MCB Panel N3R (2) 480V 3P 30A, (1) 480V 3P 40APrimary Receptacles (2) L16-30R  Breakers, N3R covers 30KVA 480V to 208Y/120V 3PH N3R 208Y/120V 3PH 208Y/120V 125A MLO N3R (4) 125V 1P 20A (4) 520R-GFCI DPLX. Breakers, GFCIs, N3R covers Square tube frame w/ 1/4" thick, 3" tubing, skid pockets, top pick eye & 8” locking casters Powder coated steel frame - 350 pounds
Primary Protection:  Breakers, N3R covers
Transformer: 30KVA 480V to 208Y/120V 3PH N3R
Secondary Voltage: 208Y/120V 3PH
Secondary Panel: 208Y/120V 125A MLO N3R
Secondary Breakers: (4) 125V 1P 20A
Secondary Receptacles: (4) 520R-GFCI DPLX.
Secondary Protection: Breakers, GFCIs, N3R covers
Form Factor: Square tube frame w/ 1/4" thick, 3" tubing, skid pockets, top pick eye & 8” locking casters
Frame Materials: Powder coated steel frame
Dimensions: -
Weight: 350 pounds

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