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Installation - Power Wiring
Power Wiring
The Zener SS6000 is installed between the mains
and cable to the motor. If a mains or isolation
contactor is used it is best controlled by the SS6000
'Line relay'.
3Wire / 6wire: The standard connection of an
electronic soft starter is 3 wire. An alternative
connection is 6 wire or inside delta connection. This
is commonly used when replacing a star/delta type
motor starter.
Bypass / Continuous: The Smartstart
operate with or without a bypass contactor. Some
models include an integral bypass contactor. The
bypass contactor reduces the heat dissipation of
the soft starter as the semiconductors are bypassed
after the ramp time.
Select cables & install in compliance
with local regulations
Technical Manual: Smartstart
®
can
®
6000
Motor Protection:
The Smartstart 6000 provides advanced motor
protection with user selectable overload classes,
over & under current protection, phase imbalance
and thermistor protection. It is important that the
power wiring is followed correctly to ensure proper
protection and starter performance.
Refer to page 18 and 28 for more details regarding
motor protection.
Semiconductor Fuses
Semiconductor fuses are recommended for all
electronic soft starters to provide protection of the
thyristors in the event of an output short circuit.
Semiconductor fuses are strongly recommended for
applications such as submersible pumps.
Semiconductor fuses are optional with all models.
For smaller models (15 – 80Amp) fuse kits
•
are available.
Refer to instruction sheet for more details
and dimensions.
For larger models semiconductor fuse kits
•
are available.
Refer to page 33 for more details on semi-
•
conductor fuses.
Page 6
IMI0042 rev D
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