Larson 9KVA Portable Power Distribution - 208V to 400Y/231V 3PH - (1) L22-20R Receptacle - Base Plate/Skid

Larson ElectronicsSKU: PL3-MDS-208V.3P-9KVA-400Y.231V

Sale price$15,699.99


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.
Made in the USA
The Larson Electronics MDS-208V.3P-9KVA-400Y.231V power distribution substation converts 208V AC three phase electrical current into three phase 400Y/231V AC. This unit provides operators the ability to safely tap into and distribute 208V AC power from a variety of sources including generators and direct grid power.
The MDS-208V.3P-9KVA-400Y.231V portable power distribution system gives operators the ability to power their 400 volt equipment from a single system. On the primary side, operators connect 208 volt line-in power using 15` of #8 SOOW cord. On the transformer, operators connect to one L22-20R 400V receptacle for their 400V equipment.
A 15` #8 SOOW line-in cord brings 208V three phase power to the NEMA 3R 30-amp, 208V three phase primary circuit breaker enclosure and passes the current to the transformer. The 9 KVA transformer converts 208V three phase power to 400Y/231V three phase. This transformer contains one L22-20R 400V receptacle. An extra L22-20P plug is also available for completing power connections to the unit.
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. 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.
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.
~Please check all motor loads for dual rated motors that will work 208 or 240.~
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.
Larson Electronics is a manufacturer and as such can build portable transformer systems to your Specifications. Although we carry several models of power distribution transformers, 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:
Line-in Cord Cap:
Primary Voltage: 208V 3-Phase
Primary Panel: 208V 30A CB Enclosure N3R
Primary Breakers: -
Primary Receptacles: -
Primary Protection: -
Transformer: 9KVA 208V to 400Y/231V 3PH
Secondary Panel: -
Secondary Breakers: -
Transformer Receptacles: (1) L22-20R [400V]
Transformer Protection: Weatherproof Covers
Form Factor: Square Tube Frame, Skid Pockets
Frame Materials: Powder Coated Steel Frame
Dimensions: 2" x 2" x 1/8" - Steel Tubing Frame
Weight: 400 lbs

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