WEG SSW-07 User Manual

CHAPTER 3 - INSTALLATION AND CONNECTION
18
English
The described specications intable 3.5 are valid only for the
followingconditions:
Copperwiresfor70ºC(158ºF)withPVCinsulationforambient
temperatureof40ºC(104ºF),installedinperforatedandnot
agglomerated conduits.
Naked or silver coated copper busbars with round edges with 1
mmradiuswithambienttemperatureof40ºC(104ºF)andbus
temperature of 80 °C (176 °F).
NOTE!
For correct cable dimensioning, consider the installation condition
and the maximum permitted line voltage drop.
SSW-07
Model
Power Cable Grounding Cable
(mm
2
) AWG (mm
2
) AWG
17 A 2.5 14 4 12
24 A 4 12 6 10
30 A 6 10 6 10
45 A 10 8 6 10
61 A 16 6 10 8
85 A 25 3 10 8
130 A 50 1/0 25 3
171 A 70 2/0 35 2
200 A 95 4/0 50 1/0
255 A 120 250 kcmil 2.5 14
312 A 185 400 kcmil 2.5 14
365 A 240 500 kcmil 2.5 14
412 A 240 600 kcmil 2.5 14
Table 3.5 - Minimum cable gauge specication
DANGER!
The AC input must be compatible with the voltage range of the
Soft-Starter SSW-07.
DANGER!
Provide a power supply disconnecting switch for the Soft-Starter
SSW-07. This disconnecting switch must disconnect the AC input
voltage to the Soft-Starter SSW-07 whenever necessary (for
example:duringmaintenanceservices).
If a disconnected switch or a contactor is inserted in the motor supply
line never operate these devices with the motor running or when
the Soft-Starter SSW-07 is enabled.
3.2.3 Recommended
Power and
Grounding
Cables
3.2.4 Power Supply
Connection to
the Soft-Starter
SSW-07

WEG SSW-07 Specifications

General

Brand	WEG
Model	SSW-07
Category	Controller
Language	English