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2. General Description
2.1 Overview
The Alpha FXM is available in 3 models – FXM 650, FXM 1100 and FXM 2000. The FXM 650 and the FXM
1100/2000 look different, but all of the front panel connectors and circuit breakers operate in the same way. How-
ever the circuit breakers for each unit have different ratings. See Chapter "9. Specifications" for details. All units
operate in the same way unless stated otherwise in this manual.
FXM 650-24Vdc – with a 24 Vdc battery string voltage.
FXM 650-48Vdc – with a 48 Vdc battery string voltage.
FXM 1100-48Vdc – with a 48 Vdc battery string voltage.
FXM 2000-48Vdc – with a 48 Vdc battery string voltage.
2.2
Figure 1 shows the front panel connectors and circuit breakers, which are described in detail in the following
sections.
Figure 1 — FXM 650 (top) and FXM 1100/2000 front panel description
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Front Panel
