United States
Electrical equipment for United States: panels, transformers, RMUs and switchgear sourced from partner manufacturers to the grid, standards and paperwork of United States, with the UL listing or field evaluation arranged for each shipment.
The grid at a glance
- Low voltage
- 480/277 V
- Medium voltage
- 12.47 kV · 13.8 kV
- Frequency
- 60 Hz
- Standards
- UL 891 · UL 508A · IEEE C37
- Certificate
- UL listing or field evaluation, arranged by GoodBiz Power Systems
- Design ambient
- 40 °C
- Nameplates
- English
Typical values for United States. Your project specification and the local utility's approval list always take priority. Last updated .
What we supply
- LT panels for United States: 480/277 V, 60 Hz, to IEC 61439-1/2.
- MV switchgear & RMU for United States: 12.47 kV · 13.8 kV and 480/277 V, 60 Hz, to IEC 62271-100/200.
- Transformers for United States: 12.47 kV · 13.8 kV and 480/277 V, 60 Hz, to IEC 60076.
- Breakers & contactors for United States: 480/277 V, 60 Hz, to IEC 60947-2.
- Enclosures & junction boxes for United States: 480/277 V, 60 Hz, to IEC 62208.
- Busbars & panel parts for United States: 480/277 V, 60 Hz, to IEC 61439.
Questions buyers ask
What voltage and frequency does electrical equipment for United States use?
Typically 480/277 V at 60 Hz on the low-voltage side, with medium-voltage networks at 12.47 kV · 13.8 kV. Your project specification always takes priority.
Which standards apply to electrical panels and switchgear for United States?
UL 891 · UL 508A · IEEE C37. GoodBiz Power Systems sources panels, switchgear and transformers to these standards from partner manufacturers.
Which certificate do I need to import electrical equipment into United States?
UL listing or field evaluation. GoodBiz Power Systems arranges it with the shipment, so it travels with the equipment.
What design ambient temperature should I specify for United States?
40 °C is typical for United States. Equipment is rated or cooled for it, and nameplates are supplied in English.
Shipping to United States?
Pick your equipment and ratings. The rating plate fills in for United States, and we source to match and ship it.
- Choose the equipment and ratings you need
- Pick the destination country; we fill in its grid and certificate
- Get a quotation with the HSN code for every line