WEG SSW07 Series User manual

Soft-Starter
Arrancador Suave
Soft-Starter
SSW-07
Motors | Automation | Energy | Transmission & Distribution | Coatings
User's Manual
Manual del Usuario
Manual do Usuário

04/2019
Series: SSW-07
Document: 0899.5832 / 14
English - Español - Português
SOFT-STARTER
USER’S MANUAL
MANUAL DEL
USUARIO DEL
ARRANCADOR
SUAVE
MANUAL DO
USUÁRIO DA
SOFT-STARTER
Español English
Português

Summary of revisions / Sumario de las revisiones / Sumário das revisões
Español English
Português
The information below describes the revisions in this manual.
Revision Description Chapter
1 First Edition -
2 General Revision -
3 General Revision -
4 Size 4 Included -
5 and 6 Table 3.1 and 8.2 corrected 3 and 8
7
Revision after the Size 4 UL certication.
Changed: item 3.2.3; 3.2.4.1; 3.2.4.2; 3.2.7;
4.8; 5.2; E77 in the table 6.1; table 8.1
3, 4, 5, 6
and 8
8Included new functions of
software version V1.4x
3,4
and 5
9 General Revision -
10 Change in table 7.1 7
11 General Revision -
12 General Revision -
13 E19 Included in the table 6.1 6
14 Changes in item 3.2.4 3
La información abajo describe las revisiones ocurridas en este manual.
A informação abaixo descreve as revisões ocorridas neste manual.
Revisão Descrição Capítulo
1 Primeira Edição -
2 Revisão Geral -
3 Revisão Geral -
4 Inclusão da mecânica 4 -
5 e 6 Correções das tabelas 3.1 e 8.2 3 e 8
7
Correção depois da certicação UL da
Mecânica 4. Alterado: item 3.2.3; 3.2.4.1;
3.2.4.2; 3.2.7; 4.8; 5.2; E77 na tabela 6.1;
tabela 8.1
3, 4, 5,
6 e 8
8Inclusão das novas funções da versão
de software V1.4x 3, 4 e 5
9 Revisão Geral -
10 Alteração na tabela 7.1 7
11 Revisão Geral -
12 Revisão Geral -
13 Inclusão de E19 na tabela 6.1 6
14 Alterações no item 3.2.4 3
Revisión Descripción Capítulo
1 Primer Edición -
2 Revisión General -
3 Revisión General -
4 Inclusión Mecánica 4 -
5 y 6 Correción de las tablas 3.1 y 8.2 3 y 8
7
Corrección luego de la certicación UL de la
Mecánica 4. Modicado: ítem 3.2.3; 3.2.4.1;
3.2.4.2; 3.2.7; 4.8; 5.2; E77 en la tabla 6.1;
tabla 8.1
3, 4, 5, 6
y 8
8Inclusión de las nuevas funciones de la
version de software V1.4x 3, 4 y 5
9 Revisión General -
10 Alteración en la tabla 7.1 7
11 Revisión General -
12 Revisión General -
13 Inclusión E19 en la tabla 6.1 6
14 Modicaciones en el ítem 3.2.4 3

Summary
English
CHAPTER 1
Safety Instructions
1.1 Safety Notices in the Manual................................................5
1.2 Safety Notices on the Product..............................................5
1.3 Preliminary Recommendations.............................................5
CHAPTER 2
General Information
2.1 About this Manual ................................................................7
2.2 About the Soft-Starter SSW-07 ............................................7
2.3 Soft-Starter SSW-07 Identication Plate ............................8
2.4 Receiving and Storage .......................................................11
CHAPTER 3
Installation and Connection
3.1 Mechanical Installation .......................................................12
3.1.1 Environmental Conditions............................................12
3.1.2 Soft-Starter SSW-07 Dimensions ................................12
3.1.3 Mounting Specications...............................................13
3.1.3.1 Mounting Inside a Panel .....................................14
3.1.3.2 Mounting on Surface ..........................................15
3.2 Electrical Installation...........................................................15
3.2.1 Power Terminals...........................................................16
3.2.2 Location of the Grounding, Control and Power
Connections..................................................................17
3.2.3 Recommended Power and Grounding Cables ............18
3.2.4 Power Supply Connection to the Soft-Starter SSW-0718
3.2.4.1 Short Circuit Capacity, Fuses, ................................
Circuit Breaker – UL............................................19
3.2.4.2 Input Circuit Breakers and Fuses – IEC..............20
3.2.4.3 Control Fuse........................................................21
3.2.5 Soft-Starter SSW-07 Connection to the Motor.............22
3.2.5.1 Standard Three-Wire Connection .......................23
3.2.6 Grounding Connections ...............................................23
3.2.7Control and Signal Connections...................................24
3.3 Recommended Set-ups......................................................25
3.3.1 Recommended Set-up with Command via Two-wire
Digital Inputs and Isolation Contactor..........................26
3.3.2 Recommended Set-up with Command via Three-wire
Digital Inputs and Circuit-Breaker................................26
3.3.3 Recommended Set-up with Command via Two-wire
Digital Inputs and Direction of Rotation .......................27
3.3.4 Recommended Set-up with Command via Two-wires
Digital Inputs and DC-Braking .....................................28
3.3.5 Symbols .......................................................................29

Summary
English
CHAPTER 4
Setting the SSW-07
4.1 Control Type Setting ...........................................................30
4.2 Kick Start ............................................................................31
4.3 Initial Voltage Setting..........................................................31
4.4 Current Limit Setting...........................................................32
4.5 Acceleration Ramp Time Setting ........................................31
4.6 Deceleration Ramp Time Setting........................................31
4.7 Motor Current Setting .........................................................32
4.8 Motor Electronic Overload Protection ................................33
4.9 Reset ..................................................................................36
4.10 DI2 Digital Input Setting....................................................36
4.11 Output Relay Operation ....................................................37
4.12 Relay Output RL1 Programming ......................................37
CHAPTER 5
Programming Information and Suggestions
5.1 Applications and Programming...........................................38
5.1.1 Voltage Ramp Starting .................................................39
5.1.2 Current Limit Starting ...................................................40
5.1.3 Starting with Pump Control (P202 = 2) ........................40
5.1.4 Programming the control type in pump control ............42
5.2 Protections and Programming............................................43
5.2.1 Suggestion on How to Program the Thermal Class.....43
5.2.2 Service Factor..............................................................45
CHAPTER 6
Solution and Troubleshooting
6.1 Faults and Possible Causes...............................................49
6.2 Troubleshooting..................................................................52
6.3 Preventive Maintenance.....................................................53
CHAPTER 7
Options and Accessories
7.1 IP20 Kit...............................................................................54
CHAPTER 8
Technical Characteristics
8.1 Nominal Powers and Currents According to UL508 ...........55
8.2 Nominal Powers and Currents for Standard IP55,
IV Pole Weg Motor .............................................................55
8.3 Power Data.........................................................................56
8.4 Electronics and Programming Data....................................56

5
English
CHAPTER 1
1.2 SAFETY
NOTICES ON
THE PRODUCT
1.1 SAFETY
NOTICES IN
THE MANUAL
SAFETY INSTRUCTIONS
This Manual contains the necessary information for the correct use
of the Soft-Starter SSW-07.
It was written to be used by qualied personnel with suitable training
or technical qualications to operate this type of equipment.
The following safety notices will be used in the text.
DANGER!
The nonobservance of the procedures recommended in this warning
can lead to death, serious injuries and considerable material damage.
ATTENTION!
Failure to observe the recommended procedures in this notice may
lead to material damage.
NOTE!
The text intents to supply important information for the correct
understanding and good operation of the product.
The following symbols may be attached to the product as a safety
notice.
High Voltages.
Components are sensitive to electrostatic discharge.
Do not touch them.
Mandatory connection to ground protection (PE).
DANGER!
Only personnel with suitable qualication and familiar with the
Soft-Starter SSW-07 and associated equipment should plan or
implement the installation, start-up, operation and maintenance of
this equipment.
These personnel must follow all safety instructions in this manual
and/ or dened by local regulations.
Failure to follow these safety instructions may result in personnel
injury and/or equipment damage.
1.3 PRELIMINARY
RECOMMENDATIONS

CHAPTER 1 - SAFETY INSTRUCTIONS
6
English
NOTE!
In this Manual, qualied personnel are those trained to:
1. Install, ground, power-up, and operate the Soft-Starter SSW-07
according to this manual and the required safety procedures;
2. Use protection equipment according to established regulations;
3. Give First Aid.
DANGER!
Always disconnect the general power supply before touching any
electrical component associated to the Soft-Starter SSW-07.
High voltage may be present even after the power supply is
disconnected. Wait at least 3 minutes for the total discharge of the
capacitors.
Always connect the equipment’s heatsink to the protection ground
(PE), at the proper connection point.
ATTENTION!
All electronic boards have components that are sensitive to
electrostatic discharges. Do not touch these components or
connectors directly.
If necessary, rst touch the grounded metallic heatsink or use a
suitable grounded wrist strap.
Do not apply any high voltage test on the Soft-Starter SSW-07!
If necessary, contact the manufacturer.
NOTE!
Soft-Starters SSW-07 may interfere with other electronic equipment.
Follow the measures in Chapter 3 to reduce these e󰀨ects.
NOTE!
Read this manual completely before installing or operating the
Soft-Starter SSW-07.
NOTE!
For using this product in elevator applications be aware that it meets
elevator duty only in the USA market.
ATTENTION!
When in operation, electric energy systems – such as transformers,
converters, motors and cables – generate electromagnetic elds
(EMF), posing a risk to people with pacemakers or implants who
stay in close proximity to them. Therefore, those people must stay
at least 2 meters away from such equipment.

7
English
GENERAL INFORMATION
This manual presents the Soft-Starter installation, how to start it up,
its main technical characteristics and how to identify and correct the
most common problems. The manuals listed next must be consulted
in order to get more information regarding the functions, accessories
and working conditions:
Programming Manual, with a detailed description of the
parameters and its functions;
RS232 / RS485 Communication Manual.
DeviceNet Communication Manual.
These manuals are supplied in electronic format on the CD-ROM
that accompanies the Soft-Starter, or can be obtained at WEG’s
web site: http://www.weg.net.
The Soft-Starter SSW-07 is a high performance product that permits
the start control of the three phase AC induction motors. Thus, it
prevents mechanical shocks on the load and current peaks in the
supply line.
para Ajustes
Tampa para
Trifásica
Opcionais Plug-In
Ajustes e Habilitar as
Proteções
DIP Swith para
Trimpots
Ajustes da
LED's para Indicação
DIP Switch para
Entrada de Alimentação
Reset (DI2 e DI3)
de Status da SSW-07
Classe Termica
Alimentação da Eletrônica
(A1 e A2)
Comanda Aciona/Desaciona
Motor (DI1) e
Saída para Motor
Saida a Relé
(13,14/23 e 24)
Three-phase
Power Supply
DIP Switch for
Soft-Starter adjustment
and protection enabling
Status Indication LEDs
of the SSW-07
Lid for optional Plug-in
Modules
Relay Output
(13, 14/23 and 24)
Motor Output
Electronic Power Supply
(A1 and A2)/
Start/Stop Command
of the Motor (D1) and
Reset (DI2 and DI3)
DIP switch to adjust
the Thermal Class
Trimpots to adjust
Figure 2.1 - Frontal view of the SSW-07
2.1 ABOUT THIS
MANUAL
2.2 ABOUT THE
SOFT-STARTER
SSW-07
CHAPTER 2

CHAPTER 2 - GENERAL INFORMATION
8
English
Figure 2.2 - Soft-Starter SSW-07 block diagram
2.3 SOFT-STARTER SSW-07 IDENTIFICATION PLATE
Figure 2.3 - Soft-Starter SSW-07 identication plate
Three-Phase
Power Supply
Control
Power Supply
Programmable
Digital Inputs
Programmable Digital
Outputs
Digital Signal
Processor
DSP
Three-Phase Motor PE
R S TA1 A2 Dl2 Dl3 13 14/23 24
Dl1
3 x
2 x
RL1 RL2
UV W
SSW-07 Model
Input Data (Voltage,
Number of Phases,
Current and Frequency)
Control Power Supply
Data (Voltage, Frequency)
Serial Number Software
Version
Manufacturing date
(14 corresponds to
week and H to year)
WEG Stock
Item Number

CHAPTER 2 - GENERAL INFORMATION
9
English
Position of the Identication Plate on the Soft-Starter SSW-07:
Figure 2.4 - Location of the labels
X
VISTA FRONTAL VISTA DE X
FRONTAL VIEW X VIEW

CHAPTER 2 - GENERAL INFORMATION
10
English
EX SSW-07 0017 T 5 S _ _ _ _ _ _ Z
Market BR = Brazil EX = Export
WEG Soft- Starter Series SSW-07
SSW-07 Nominal Current 0017 = 17 A 0024 = 24 A 0030 = 30 A 0045 = 45 A 0061 = 61 A 0085 = 85 A 0130 = 130 A 0171 = 171 A 0200 = 200 A 0255 = 255 A 0312 = 312 A 0365 = 365 A 0412 = 412 A
Three- Phase Power Supply
220-575 Vac Optional:
S = Standard O = with Optional
Degree of Protection Blank = Standard IP=IP20 (1)
Special Hardware Blank = Standard H1 = Electronics supply: 110 to 130 Vac (2) H2 = Electronics supply: 208 to 240 Vac (2)
Special Software Blank = Standard S1 = Special Software
End of Code
HOW TO SPECIFY THE SSW-07 MODEL:
NOTE! The option eld (S or O) denes if the Soft-Starter SSW-07 will be a standard version or if it will include any optional. If standard, the code ends here. Always put the letter Z at the end. For example: EXSSW070017T5SZ = Standard Soft-Starter SSW-07 with 17 A and 220 V to 575 V to three-phase input with the User’s Guide in English, Spanish and Portuguese. If there is any optional, the elds must be lled out in the correct sequence until the code is completed with the letter Z. The standard product as dened by this code is described as: Degree of Protection: IP20 from 17 A to 85 A and IP00 from 130 A to 412 A.
(1) Only for models 130 A to 412 A. (2) Only for the 255 A to 412 A models.

CHAPTER 2 - GENERAL INFORMATION
11
English
The Soft-Starter SSW-07 is supplied in a cardboard box. On the
outside of the package there is an identication plate which is
identical to the one placed on the Soft-Starter SSW-07.
To open the package:
1- Put it on a table;
2- Open the package;
3- Take out the Soft-Starter.
Check if:
 The Identication plate of the Soft-Starter SSW-07 matches the
model purchased:
Damage has occurred during transport. If so, contact the carrier
immediately.
If the Soft-Starter SSW-07 is not installed immediately, store it in
its package in a clean and dry place with temperature between
-25 °C (-13 °F) and 65 °C (149 °F). 1 hour at -40 °C (-40 °F) is
permitted.
SSW-07
Model
Height
H
mm
(in)
Width
L
mm
(in)
Depth
P
mm
(in)
Volume
cm3
(in3)
Weight
kg
(lb)
17 A
24 A
30 A
221
(8.70)
180
(7.09)
145
(5.71)
5768
(352.2)
1.65
(3.64)
45 A
61 A
85 A
260
(10.24)
198
(7.80)
245
(9.65)
12613
(770.8)
3.82
(8.42)
130 A
171 A
200 A
356
(14.02)
273
(10.75)
295
(11.61)
28670
(1750)
8.36
(18.43)
255 A
312 A
365 A
412 A
415
(16.34)
265
(10.43)
320
(12.6)
35192
(2147)
12.8
(28.2)
Table 2.1 - Dimensions of the package in mm (in)
Figure 2.5 - Dimensions of the package
2.4 RECEIVING
AND STORAGE

12
English
INSTALLATION AND CONNECTION
This chapter describes the procedures for the electrical and
mechanical installation of the Soft-Starter SSW-07. The guidelines
and suggestions must be followed for the correct operation of the
Soft-Starter SSW-07.
The location of the Soft-Starters SSW-07 is an important factor to
assure the correct operation and high product reliability.
Avoid:
Direct exposure to sunlight, rain, high moisture and sea air ;
Exposure to explosive or corrosive gases and liquids;
Exposure to excessive vibration, dust or any metallic and/or oil
particles in the air.
Allowed Environmental Conditions:
Surrounding air Temperature: 0 ºC to 55 ºC (32 ºF to 131 ºF) -
nominal conditions.
Relative air moisture: 5 % to 90 %, with no-condensation.
Maximum altitude: 1,000 m (3,300 ft) above sea level - nominal
conditions.
From, 1,000 m to 4,000 m (3,300 ft to 13,200 ft) above sea level -
current reduction of 1 % for each 100 m (330 ft) above 1,000 m
(3,300 ft).
From 2000 m to 4000 m (6,600 ft to 13,200 ft) above sea level -
voltage reduction of 1.1 % for each 100m (330 ft) above 2,000 m
(6,600 ft).
Pollution degree: 2 (according to the UL508).
Normally, only non conductive pollution. Condensation must not
cause conduction in the particles in the air.
The external dimensions and mounting holes are shown in gure
3.1 and table 3.1 below.
C
A
B
D
P
H
L
ALP
C
DB
H
Figure 3.1 - SSW-07 dimensions
3.1 MECHANICAL
INSTALLATION
3.1.1 Environmental
Conditions
CHAPTER 3
3.1.2 Soft-Starter
SSW-07
Dimensions

CHAPTER 3 - INSTALLATION AND CONNECTION
13
English
Table 3.1 - Installation data with dimensions in mm (in)
To install the Soft-Starter SSW-07 leave at least the free spaces
surrounding the Soft-Starter as in gure 3.2 below. The dimensions
of these free spaces are described in table 3.2.
SSW-07 Model
A
mm
(in)
B
mm
(in)
C
mm
(in)
17 A
24 A
30 A
50
(2)
50
(2)
30
(1.2)
45 A
61 A
85 A
80
(3.2)
80
(3.2)
30
(1.2)
130 A
171 A
200 A
100
(4)
100
(4)
30
(1.2)
255 A
312 A
365 A
412 A
150
(6)
150
(6)
30
(1.2)
Table 3.2 - Recommended free spaces
Install the Soft-Starter SSW-07 in the vertical position according to
the following recommendations:
1) Install on a reasonably at surface;
2) Do not put heat sensitive components immediately above the
Soft-Starter SSW-07.
ATTENTION!
If a Soft-Starter SSW-07 is installed on top of another use the
minimum distance A + B and diverge from the top Soft-Starter the
hot air that comes from the one beneath it.
3.1.3 Mounting
Specications
* IP20 with optional.
SSW-07
Model
Height
H
mm
(in)
Width
L
mm
(in)
Depth
P
mm
(in)
A
mm
(in)
B
mm
(in)
C
mm
(in)
D
mm
(in)
Mounting
Screw
Weight
kg
(lb)
Degree
of
Protection
17 A
24 A
30 A
162
(6.38)
95
(3.74)
157
(6.18)
85
(3.35)
120
(4.72)
5
(0.20)
4
(0.16) M4
1.3
(2.9) IP20
45 A
61 A
85 A
208
(8.19)
144
(5.67)
203
(7.99)
132
(5.2)
148
(5.83)
6
(0.24)
3.4
(0.13) M4
3.3
(7.28) IP20
130 A
171 A
200 A
276
(10.9)
223
(8.78)
220
(8.66)
208
(8.19)
210
(8.27)
7.5
(0.3)
5
(0.2) M5
7.6
(16.8) IP00 *
255 A
312 A
365 A
412 A
331
(13.0)
227
(8.94)
242
(9.53)
200
(7.87)
280
(11.0)
15
(0.59)
9
(0.35) M8 11.5 (25.4) IP00 *

CHAPTER 3 - INSTALLATION AND CONNECTION
14
English
For Soft-Starters SSW-07 installed in panels or closed metallic
boxes exhaustion/cooling is required so the temperature does not
exceed the maximum allowed. Refer to dissipated nominal power
in table 3.3.
3.1.3.1 Mounting
Inside a Panel
Table 3.3 - Dissipated power for ventilator panel dimensioning
Figure 3.2 - Free spaces for ventilation
ATTENTION!
Independent conduits or cable trays must be planned for physic
separation of signal, control and power cables. (Refer to item 3.2
Electrical Installation).
C
SAIDA
FLUXO DE AR
B
A
ENTRADA
FLUXO DE AR
Air Flow
Inlet
Air Flow
Outlet
A
B
C
SSW-07
Model
Dissipated Power
in the electronics
(W)
Average Power
dissipated
10 starts/h
3 x In @ 30 s
(W)
Total Average Power
dissipated
10 starts/h
3 x In @ 30 s
(W)
17 A 12 15.3 27.3
24 A 12 21.6 33.6
30 A 12 27 39
45 A 12 41 53
61 A 12 55 67
85 A 12 77 89
130 A 12 117 129
171 A 12 154 166
200 A 12 180 192
255 A 12 230 242
312 A 12 281 293
365 A 12 329 341
412 A 12 371 383

CHAPTER 3 - INSTALLATION AND CONNECTION
15
English
Figure 3.3 shows the installation of the Soft-Starter SSW-07 on the
surface of a mounting plate.
3.1.3.2 Mounting on
Surface
Figure 3.3 - Installation procedures of the Soft-Starter SSW-07 on a surface
3.2 ELECTRICAL
INSTALLATION
DANGER!
The Soft-Starter SSW-07 cannot be used as an emergency stop
device.
DANGER!
Be sure that the AC input power is disconnected before making any
terminal connection.
ATTENTION!
The information below may be used as a guide to achieve a proper
installation. Follow also the applicable local standards for electrical
installations.
ATTENTION!
If a power isolating contactor or circuit breaker with minimum voltage
coil is not used at the rst power on, then power up the electronics
rst, adjust the trimpots that are necessary to put the SSW-07 into
operation and only after this energize the power section.

CHAPTER 3 - INSTALLATION AND CONNECTION
16
English
The power terminal blocks vary in size and conguration, depending
on the SSW-07 soft-starter model, as can be observed at the gures
3.5 and 3.6.
Terminals:
R / 1L1, S / 3L2 and T / 5L3: AC supply line.
U / 2T1, V / 4T2 and W / 6T3: Motor connection.
3.2.1 Power
Terminals
Figure 3.4 - Standard power/grounding connections
Line
Circuit-breaker
Fuses
R
S
T
R/1L1 S/3L2 T/5L3
U/2T1 V/4T2 W/6T3 PE PE
PE

CHAPTER 3 - INSTALLATION AND CONNECTION
17
English
Figure 3.5 - Power terminals
Table 3.4 - Maximum torque for power connection
3.2.2 Location of the Grounding, Control and Power Connections
Figure 3.6 - Location of the grounding, control and power connections
Models 17 A to 85 A Models 130 A to 412 A
Dimensions in mm (in).
SSW-07
Model
Enclosure
Size
Line / Motor Grounding
Screw/
Terminal
Torque
Nm
(in lb)
Screw
Torque
Nm
(in lb)
17 A
24 A
30 A
Size 01 Terminal 3
(27)
M4
(5/32”)
4.5
(40)
45 A
61 A
85 A
Size 02 Terminal 5.5
(49)
M5
(3/16”)
6
(53)
130 A
171 A
200 A
Size 03 M8
(5/16”)
19
(168)
M6
(1/4”)
8.3
(73)
255 A
312 A
365 A
412 A
Size 04 M10
(3/8”)
37
(328) Terminal 0.5 (4.5)
BORNE DE SAIDA
POTENCIA
BORNE DE ENTRADA
POTENCIA
BORNE DE ENTRADA
POTENCIA
BORNE DE SAIDA
POTENCIA
Output Power
Terminal
Input
Power Terminal Output
Power Terminal
Input
Power Terminal
R/1L1 S/3L2 T/5L3
U/2T1 V/4T2 W/6T3
R/1L1 S/3L2 T/5L3
ATERRAM EN TO
ATERRAM EN TO
ATERRAM EN TO
C O N TRO LE
C O N TRO LE
C O N TRO LE
C O N TRO LE
ATERRAM EN TO
62.8
(2.48) 36.3
(1.43)
84,8
(3.34)
13.3
(0.52)
114
(4.48)
148
(5.81)
56.3
(2.22)
60.5
(2.38)
22.7
(0.89)
39.7
(1.56)
25.1
(0.99)
197
(7.75)
32.7
(1.29) 14.8
(0.59) 14.8 (0.59)
33.0
(1.30) 39.0
(1.54) 39.0 (1.54)
48.2
(1.90) 63.0 (2.48)
75.5
(2.97) 75.5 (2.97)
63.0
(2.48)
Grounding
Control
Control
Control
Control
Grounding Grounding Grounding

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
(mm2)AWG (mm2)AWG
17 A 4 12 4 12
24 A 6 10 6 10
30 A 6 10 6 10
45 A 10 8 6 10
61 A 16 6 10 8
85 A 25 4 10 8
130 A 50 1 25 4
171 A 70 2/0 35 2
200 A 95 3/0 50 1
255 A 120 250 kcmil 2.5 14
312 A 185 350 kcmil 2.5 14
365 A 240 500 kcmil 2.5 14
412 A 300 600 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.
ATTENTION!
The overvoltage control in the line that feeds the soft-starter must
be done using overvoltage suppressors with a clamping voltage of
680 Vac (phase-to-phase connection) and an energy absorption
capability of 40 joules (17 A to 200 A models) and 80 joules (255 A
to 412 A models).
3.2.3 Recommended
Power and
Grounding
Cables
3.2.4 Power Supply
Connection to
the Soft-Starter
SSW-07

CHAPTER 3 - INSTALLATION AND CONNECTION
19
English
3.2.4.1 Short Circuit
Capacity,
Fuses, Circuit
Breaker – UL
NOTE!
Use the wire sizes and fuses recommended in tables 3.5 and 3.7.
The connector tightening torque is indicated in table 3.4. Use only
copper wires 70 °C (158 °F).
Table 3.6 presents the short circuit capacity, Standard Fault, of
the power supply (symmetric Arms) at which the SSW-07 can be
installed, provided that protected by means of regular fuses or circuit
breakers, used in the UL tests.
SSW-07
Model
Nominal
Rating
Short Circuit
Rating
≤ 600V
Circuit Breaker
(CB) - UL489
Any MCCB
Ultra-fast Fuses
Ferraz Shawmut/
Mersen
Flush End Contacts
Ultra-fast Fuses
Cooper Bussmann
Bolted Contacts
17 A 17 A 5 kA < 30A 6.6URD30TTF0050 170M2611
24 A 24 A 5 kA < 40A 6.6URD30TTF0080 170M1366
30 A 30 A 5 kA < 40A 6.6URD30TTF0080 170M1366
45 A 45 A 5 kA < 150A 6.6URD30TTF0100 170M1367
61 A 61 A 5 kA < 150A 6.6URD30TTF0125 170M1368
85 A 85 A 10 kA < 150A 6.6URD30TTF0200 170M1370
130 A 130 A 10 kA < 225A 6.6URD31TTF0325 170M1372
171 A 171 A 10 kA < 250A 6.6URD32TTF0450 170M3170
200 A 200 A 10 kA < 250A 6.6URD32TTF0500 170M3171
255 A 255 A 18 kA < 400A 6.6URD32TTF0400 170M5158
312 A 312 A 18 kA < 400A 6.6URD33TTF0500 170M3171
365 A 365 A 18 kA < 600A 6.6URD33TTF0550 170M5161
412 A 412 A 18 kA < 600A 6.6URD33TTF0700 170M6161
Table 3.6 - Short circuit capacity – UL Standard Fault
The fuses in table 3.6 used in the SSW-07 UL tests are of the ultra-
fast (aR) type, which also reduce the risk of SCRs being burned by
over current transients.
Table 3.7, presents the short circuit capacity, High Fault, of the power
supply (symmetric Arms) at which the SSW-07 can be installed
within a closed panel, provided that protected by means of circuit
breakers, used in the UL tests.