Temporary power system ‘built to take on the elements’

March 14, 2018

A mobile temporary power distribution system designed for “hazardous locations” has been released by Texas-based Larson Electronics.


The industrial lighting company said the mobile substation (MPD-480-50KVA-24X120.20A-20C) is built with “rugged high-grade materials” to effectively power three-phase 480V equipment on single phase 120/240V AC from generators and direct grid power.


Larson said the system is “ideal for use in indoor and outdoor worksites such as construction sites and shipyards— and designed for serious use in heavy-duty industrial applications and demanding conditions”.


The 480V line-in power connects to the primary side to a 125-amp 480V 3-phase primary disconnect, which contains three time-delay fuses protecting the 50 KVA transformer. The 480V current is then converted to 120/240V AC and passes through the secondary panel which contains 24x20-amp 120V breakers that protect twenty-four panel mounted 120V 20-amp 5-20R duplex receptacles equipped with weather-proof covers.


Larson CEO Rob Bresnahan said: “Reliability, durability and safety are crucial for power distribution systems, especially when you’re dealing with the outside elements. This is why we ensure our indoor/outdoor transformers are engineered to perform under rugged conditions and protected from potential damage by steel barriers.”

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