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Cheetah 15K.4 FC Product Manual, Rev. B 25
6.0 Physical/electrical specifications
This section provides information relating to the physical and electrical characteristics of the drive.
6.1 AC power requirements
None.
6.2 DC power requirements
The voltage and current requirements for a single drive are sh‘own below. Values indicated apply at the drive
connector.
Table 2: DC power requirements for ST3146954FC drives
Notes
1 Gbit mode 2 Gbit mode 4 Gbit mode
(Amps) (Amps) (Amps) (Amps) (Amps) (Amps)
Voltage +5V +12V [2] +5V +12V [2] +5V +12V [2]
Regulation [5] ±5% ±5% [2] ±5% ±5% [2] ±5% ±5% [2]
Avg idle current DCX [1] [7] 0.62 0.78 0.66 0.78 0.70 0.79
Maximum starting current
(peak DC) DC 3σ [3] 0.83 1.89 0.93 1.89 0.80 1.86
(peak AC) AC 3σ [3] 0.99 4.01 1.13 4.00 1.08 3.18
Delayed motor start (max) DC 3σ [1] [4] 0.55 0.04 0.59 0.04 0.69 0.04
Peak operating current:
Typical DCX [1] [6] 0.81 0.90 1.01 0.88 0.74 1.04
Maximum DC 3σ [1] 0.83 0.92 1.26 0.89 0.76 1.18
Maximum (peak) DC 3σ 1.28 3.04 1.26 3.02 1.24 2.92