Motor
L1 L3
L2
T1 T3T2
From power supply
AC Drive
Disconnect switch
Motor grounding
terminal
1
2
3
4
6
8
7
Accessories
(not all accessor
ies are applicable for every driv
5
6
❶Power Supply
Please follow the specic power supply requirements as detailed in the specic drive
manual.
❷Fuses
Input fuses protect the AC drive from excessive input current due to line surges, short
circuits, and ground faults. They are recommended for all installations and may be
required for UL-listed installations.
❸Contactor (Optional)
Do not use a contactor or disconnect switch for run/stop control of the AC drive and
motor. This will reduce the operating life cycle of the AC drive. Cycling a power circuit
switching device while the AC drive is in run mode should be done only in emergency
situations.
❹Input Line Reactor (Optional)
See the Line Reactors section at www.automationdirect.com for more information.
Input line reactors protect the AC drive from transient overvoltage conditions, typically
caused by utility capacitor switching. The input line reactor also reduces the harmonics
associated with AC drives. Input line reactors are recommended for all installations.
❺ EMI lter (Optional)
See the EMI Filters section at www.automationdirect.com for more information.
Input EMI lters reduce electromagnetic interference or noise on the input side of the
AC drive. They are required for CE compliance and recommended for installations
prone to or sensitive to electromagnetic interference.
❻ RF lter (Optional)
RF lters reduce the radio frequency interference or noise on the input or output side of
the inverter.
❼Braking Unit and/or Braking Resistor (Optional)
Dynamic braking allows the AC drive to produce additional braking (stopping) torque.
AC drives can typically produce between 15% & 20% braking torque without the
addition of any external components. The addition of optional braking may be required
for applications that require rapid deceleration or high inertia loads.
❽Output Load Reactor or Voltage Time (dV/dT)
Filter (Optional)
Output line reactors protect the motor insulation against AC drive short circuits and
IGBT reective wave damage, and also “smooth” the motor current waveform, allowing
the motor to run cooler. They are recommended for operating “noninverter-duty”
motors and when the length of wiring between the AC drive and motor is less than
100 feet.
Voltage Time lters provide enhanced protection for motors with distances up to
1,000 feet.
Voltage Time lters provide even more protection against wave reection and reduce
common mode noise. They are recommended when the length of wiring between the
AC drive and motor is from 100 feet up to 1,000 feet.
See www.automationdirect.com for specic product offerings.
AC Drives Optional Accessories – Overview
www.automationdirect.com AC Drives tGSX-115
For the latest prices, please check AutomationDirect.com.
1-800-633-0405
