Baldor MicroFlex, Installation Manual

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Specifications 8-1 MN1919
8.1 Introduction
This section provides technical specifications for the MicroFlex.
8.1.1 AC input power and DC bus voltage (X1)
All models
Unit
AC input
1 Φ 3 Φ
Nominal input voltage VAC 115 or 230
Minimum input voltage 105*
Maximum input voltage 250
Nominal DC-bus voltage VDC 305 321
1A 3A 6A 9A 1A 3A 6A 9A
Nominal input current
@ maximum rated output current
A 2.5 7.5 15 22 1.3 4 8 12
* The MicroFlex will operate at lower input voltages, although the drive will trip if the DC-bus
voltage falls below 50V or 60% of the no-load voltage, whichever occurs first.
8.1.1.1 Effect of AC power supply voltage on DC-bus voltage
100
150
200
250
300
350
100 125 150 175 200 225 250
AC supply voltage (rms)
D
C
-bus
volt
age
(V
D
C
)
Single-phase AC supply
Three-phase AC supply
8
Specifications
8