Electrical Requirements 5.1 Power Feed
Discovery NM/CT 670 – Standard Integration Instructions
5483063-1EN, Rev.2, ©2015 GE Healthcare 5-3
The minimum feeder size is determined by the current rating (ampacity) of the circuit protection
device listed below. In some cases a larger size may be necessary in accordance with local
regulations for total source.
A 6AWG1/0 (55 sq. mm) ground wire is recommended in all cases.
Table 5-2: D670 Nominal Line Voltage Ranges
The nominal line voltage must fall within one of the ranges listed below
Nominal line voltage (Volt) 380 400 420 440 460 480
Hi-Line Limit, +10% (Volt) 418 440 462 484 506 528
Lo-Line Limit, -10% (Volt) 342 360 378 396 414 432
Continuous line current (Amp) 30 29 27 26 25 24
Momentary line current (Amp) 137 130 124 118 113 108
Maximum line current (Amp) 152 144 137 131 126 120
Minimum recommended circuit protection
rating (Amp)
110 110 100 100 90 90
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