Free 2-Day Delivery. So you can make your pick. But if you only have a 60-amp service to begin with and want to add a 60-amp subpanel, you'll have to upgrade your main panel first to allow such a distribution addition. Shop with confidence. Square D by Schneider Electric QO330L200G QO 200 Amp 30-Space 30-Circuit 3-Phase Main Lug Load Center with Ground Bar, P2442L3200CU 200-Amp 24-Space 42-Circuit 3-Phase Main Lug Load Center. Was at the electric supply checking on prices for wire and supplies and they said I should use 4/0-4/0-2/0-#2 wire for a 200 amp sub panel. You’re seeing this ad based on the product’s relevance to your search query. Electricians recommend a 100-amp subpanel with at least a 200-amp main panel, depending on both panels’ strain. In Stock at Store Today. We added another floor and decided to add a new sub panel of 100 amps. For these devices, use the peak amps in your calculations. 2) Calculating the voltage drop using a 200 amp load with 480VAC 3-Phase @ 400 foot run results in 4/0 Aluminum with a 2.5% voltage drop or 11.8 volts. That only would change if - instead of 50/60Hz - you run something with a much higher frequency, say 3kHz, then you can only run 180 Amp., because the "rms" value goes up with frequency. Some of these devices are rated in terms of peak amps, which the device draws when it is first turned on, and amps drawn under normal operation. Category: Panelboards - Main Breaker Kits. More Buying Choices $228.16 (6 new offers) Eaton Cutler-Hammer Main Lug Load Center, 125 Amp, 12/24 Circuit, 3 Phase, Indoor. Please, see the attached pictures of the sub-panel. Amazon's Choice for 200 amp 3 phase panel Siemens S4260L3225 225-Amp Indoor Main Lug 42 Space, 60 Circuit 3-Phase Load Center, Aluminium Bus 4.0 out of 5 stars 25 When adding a sub panel, it's best to add at least a 12-slot circuit breaker panel. QO load … Square D by Schneider Electric HOM3060M100PC Homeline 100 Amp 30-Space 60-Circuit Indoor Main Breaker Load Center with Cover (Plug-on Neutral Ready). Since each phase circuit is equal to the others, the 3 phases will be balanced and doing calculations for only one phase will be enough. 60 Hz. Hello Select your address All Hello, Sign in. Square D by Schneider Electric QO330MQ150 QO 150 Amp 30-Space 30-Circuit 3-Phase Main Breaker Load Center, Alpine Electronics PWE-S8 Restyle Compact Powered 8-Inch Subwoofer, Combo KWh energy sub-meter 1, 2, or 3 phase up to 4 wires 120 to 480 Volts 100 Amps internal CTs. Shop Savings. 54. I always just use 1/0 for 100 amps now since it is readily available around here and #1 is not. 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This load center is built with a shielded, copper bus bar that is plated for reliability. It doesn't matter what size panel you use as long as the overcurrent protection is not larger than the panel rating. A 200 Amp panel is supposed to support 200 Amp of (max.) 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Square D by Schneider Electric QO330L200G QO 200 Amp 30-Space 30-Circuit 3-Phase Main Lug Load Center with Ground Bar, Eaton Cutler-Hammer Main Lug Load Center, 125 Amp, 12/24 Circuit, 3 Phase, Indoor, Siemens S2442L3150 150-Amp Indoor Main Lug 24 Space, 42 Circuit 3-Phase Load Center, Square D QO312L125GRB 3 Phase Panel Load Center Outdoor N3R. So you can use a 200 amp rated panel with a 100 amp main breaker for it, as long as the sub feeder is rated for 100 amps also. Recommend a licensed electrician evaluate the load. Install the new panel and replace the mounting bolts. Department. I am looking for the most cost effective way to get power to the barn without having to set another pole with a second 200 amp service. The service it already running to the house but the barn is in the opposite direction. Seriously. You’re seeing this ad based on the product’s relevance to your search query. Single Conductor #1 gauge Aluminum Wire; Needs to be buried in a conduit- Click here for pricing on #1 gauge Aluminum wire 3.) Square D by Schneider Electric QO342MQ200 QO 200 Amp 42-Space 42-Circuit 3-Phase Main Breaker Load Center, Siemens S4242B3225 225-Amp Indoor Main Breaker 42 space, 42 Circuit 3-Phase Load Center, Square D QO327M100 3 Phase 100 amp Main Breaker Electrical Panel with Cover, Siemens SW4260B3200 200-Amp Outdoor Main Breaker 42 space, 60 Circuit 3-Phase Load Center, Copper Bus. The Square D QO 3-Phase 200 Amp Main Lugs Only 30-Spaces 30-Circuit Fixed Mains Indoor Load Center is UL listed for residential, commercial and industrial power distribution. Hello, So, I think I understand this correctly; however, I want some feedback. Often, the new 200-amp breaker box requires new mounting bolts because there is no standard size in relation to the breaker box capacity. 41. Electrical loads are beyond the scope of a home inspection. 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