Special Features
Primary power input shall be 120/208 vac plus or minus 20 percent, 57 to 63 hertz, 3 phase 4-wire wye; output shall be 120/208 vac plus or minus 5 percent at 60 hertz and shall not change more than 1.8 percent per hertz between 57-63 hertz, 50 kva , power factor 0.8 lagging to 0.95 leading, 3 phase 4-wire wye; the product efficiency shall be a of 93 percent at rated load; weight shall not exceed 3000 pounds; operating temperature minus 40 degrees c to plus 71 degrees c; operating altitude minus 100 to plus 7500 feet; depth 29.900 inches; width 50.000 inches; high 40.000 inches
