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2-4 General Information MN792
Caution: To prevent equipment damage, be certain that the input power has correctly sized protective
devices installed as well as a power disconnect.
Caution: Avoid locating the control immediately above or beside heat generating equipment, or
directly below water or steam pipes.
Caution: Avoid locating the control in the vicinity of corrosive substances or vapors, metal particles
and dust.
Caution: Suitable for use on a circuit capable of delivering not more than the RMS symmetrical short
circuit amperes listed here at rated voltage.
Horsepower RMS Symmetrical Amperes
1.5–50 5,000
51–200 10,000
201–400 18,000
401–600 30,000
601–900 42,000
Caution: Baldor recommends not using “Grounded Leg Delta” transformer power leads that may
create ground loops and degrade system performance. Instead, we recommend using a
four wire Wye.
Caution: Logic signals are interruptible signals; these signals are removed when power is removed
from the drive.
Caution: The safe integration of the drive into a machine system is the responsibility of the machine
designer. Be sure to comply with the local safety requirements at the place where the
machine is to be used. In Europe this is the Machinery Directive, the ElectroMagnetic
Compatibility Directive and the Low Voltage Directive. In the United States this is the
National Electrical code and local codes.
Caution: Controls must be installed inside an electrical cabinet that provides environmental control
and protection. Installation information for the drive is provided in this manual. Motors and
controlling devices that connect to the driver should have specifications compatible to the
drive.
Caution: Do not tin (solder) exposed wires. Solder contracts over time and may cause loose
connections.
Caution: Electrical components can be damaged by static electricity. Use ESD (electro-static
discharge) procedures when handling this control.
Caution: This control is not designed for regenerative use with stabilized shunt or compound wound
motors. If stabilized shunt or compound wound are to be used, the series field must be
isolated and not connected. Contact the motor manufacturer for motor derating
specifications under these conditions.