TECO 7200 MA Series - Page 7

1-7
Example of connection between the 7200MA and typical peripheral devices are
shown as below.
Power supply
Power su
pp
l
y
Switch
(
NFB
)
Electroma
g
netic
A
C reactor
In
p
ut noise
filte
r
7200M
A
Zero phase core
Induction
motor
Install fast
action fuse
And earth
Leakage
breaker
contactor
inverte
r
■Power supply switch(NFB) and earth leakage breaker
． Choose the power supply switch(NFB) of proper current rating.
． Do not use the power supply switch(NFB) as the switch that the
inverter is used to control the running or stop of motor.
． When the earth leakage breaker installed to protect the leakage
current fault, be sure that the earth leakage breaker has the
sensitivity amperage≧200mA per inverter and operation time
≧0.1 sec to avoid false-triggering.
■ Electromagnetic contactor
． In normal operation, you don’t need an electromagnetic
contactor. However, you need to install an electro-magnetic
contactor while in the case of sequence control through the
external device or automatically re-start after power outage.
． Do not use the electromagnetic contactor as the switch that
control the operation of running or stop.
■ AC reactor
． The AC-side reactor on the input AC side can improve the
power factor and suppress the surge current.
■ Install fast action fuse
． To ensure the safety of peripheral devices, please install the fast
action fuse. Regarding the specification, please refer to P1-28.
■ Input noise filter
． 7200MA will comply with the EN55011 class A regulation if an
input noise filter (specified by TECO) is used.
． Please refer to the selection guide “1.9 Peripheral device” on
page 1-23.
■ 7200MA inverter
． Input power supply can be connected to any terminal R/L1,
S/L2, T/L3 on the terminal block. The phase sequence of input
power supply is irrelevant to phase sequence.
． Please connect the ground terminal E to the site ground
securely.
■ Zero phase core
． Install the zero phase corer to eliminate noise transmitted
between the power line and the inverter.
． Please refer to the selection guide “1.9 Peripheral device” on
page 1-25.
■ Induction Motor
． If one inverter is to drive more than one motors, the inverter’s
rated current should be much greater than the sum of total
current of motors while in operation.
． The inverter and the motor should connect to the ground
separately.