Attachment 1 - Specifications and Drawing.pdf
PDF 235 KB Posted
- Attached to
- 1200a N3R Switchboard
- Solicitation number
- 47QSSC25Q0169
About this file
The document is a specification sheet for a switchboard enclosure with detailed technical requirements. The switchboard is constructed of stainless steel, NEMA 3R Flatroof type, composed of two 36" wide x 30" deep x 90" high sections - one for utility wire-pull and another for bus bars and breakers. Specific technical specifications include a 1200A adjustable 3-phase main breaker with a 65kA interrupt rating, copper bus bars and ground bus, six 225A 3-phase breakers, and a required voltage of 208Y/120V, 3-phase, 4-wire configuration. The specification sheet includes a schematic diagram illustrating the switchboard's front view, power flow, and floor pull details, providing a comprehensive technical overview of the required electrical equipment.
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Other files
| File | Type | Posted |
|---|---|---|
| QandA 47QSSC2Q0169.pdf | ||
| Attachment 2 - Quote Sheet.xlsx | XLSX spreadsheet |
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Text version
SALIENT CHARACTERISTICS FOR ONE (1) Switchboard Enclosure
Minimum Characteristics are as follows:
Switchboard material: Stainless Steel
Type: NEMA 3R Flatroof
Switchboard to be composed of two (2) sections. Each section to be 36” Wide x 30” Deep x 90” High.
1st section is the utility, wire-pull section.
2nd section is to contain the buss bars and breakers.
Main breaker = 1200A Adj, 3 Phase.
Minimum Interrupt Rating = 65kA
Buss bar material: Copper
Ground Bus Material: Copper Ground Bus Bolted To Frame, (1) #6-350 kcmil Ground Lug
Need six (6) breakers = 225A, 3 Phase, Mechanical (1) #4-4/0, Thermal Mag Trip – Standard
Voltage Required = 208Y/120V, 3 Phase, 4-Wire
File details come from the government source that posted it. Updated .