User Manual – Rev BE AMETEK Programmable Power
MX Series 49
3.4 AC Input Connections and Wiring
Three-phase Delta or Y AC input voltage of sufficient amperage (consult AC
input specifications for maximum AC current per phase) is required to power the
MX Series.
NOTE: AC power should be routed through a properly sized and rated
three-phase PROTECTIVE CIRCUIT BREAKER or similar branch
circuit protection device with disconnect capability. This will
protect building wiring and other circuits from possible damage
or shutdown in case of a system problem. It will also facilitate
removing AC input power to the MX system in case of service or
reconfiguration requirements.
NOTE: AC input wiring and connections must conform to local electrical
safety codes that apply. Always consult a qualified electrician
prior to installation of any MX System.
AC input connections are to be made directly to the input fuse block. The input
fuse block is located on the lower left-hand corner of the front of the MX
chassis. To access the input fuse connection block, the protective front cover
needs to be removed first.
CAUTION: Always disconnect any input power completely when removing
any protective cover and allow the internal capacitors to fully
discharge (minimum of 15 mins) before removing any cover.)
See
Figure 3-2 for details.
No wiring for AC input connections is provided with the MX Series and must be
provided by the end user or installer. Input wiring should be entered through
the right-hand side (when facing the back of the MX cabinet, see Figure 3-4)
wire access opening located at the rear bottom of the MX chassis. A wire
channel (marked as [2] in figure below) is provided below the input transformer
to allow the input wiring to be routed to the front of the unit where the
connections are to be made.
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