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Power Wiring 4-3
4.2 Connecting Peripheral Devices to the VS1MD Drive
The following devices are required to operate the VS1MD drive.
!
ATTENTION:Appropriate peripheral devices must be selected and
correct connections made to ensure proper operation. You must read and
understand this manual thoroughly before proceeding. Failure to observe
this precaution could result in damage to, or destruction of, the equipment.
Table 4.2 – Peripheral Devices for the VS1MD Drive
AC Source Supply Use a power supply within the
permissible range for the drive’s
input power rating.
MCCB or Earth leakage
circuit breaker (ELB)
Select circuit breakers with care. A
large inrush current may flow in the
converter when power is turned on.
Magnetic Contactor Install a magnetic contactor if
necessary. When installed, do not
use the contactor for the purpose of
starting or stopping.
Reactors Reactors must be used when the
power factor needs to be improved
or the drive is installed within 10 m
of a large power supply system
(1000kVA or more).
Installation and wiring To ensure optimal operation and
life span of the drive, install it in an
approriate place with proper
orientation and clearances.
Incorrect terminal wiring can result
in damage to the equipment.
To motor Do not connect a power factor
capacitor, surge suppresor, or radio
noise filter to the output side of the
drive.