A 45 kVA dry-type transformer steps down 480V three-phase four-wire power to 208Y/120V for the LAWA IT room power supply designated as model TNF3031LI. The primary side features a 150-amp three-pole circuit breaker, while the secondary side includes a 70-amp three-pole circuit breaker and an equipment ground connection routed through a 3/4-inch conduit with one number 6 American Wire Gauge ground wire to earth.
3/4"C-1#6AWG GND LAWA IT ROOM POWER TRANSFORMER 45KVA 480V-208Y/120V 3PH, 4H LEVEL 3 HEAD HOUSE "TNF3031LI" 150A 3P 70A C.B. C.B. 3P 003A13
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