Unitrol Solution Circuit Breaker Cabinet Sizing Chart
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1UNITROL SOLUTION Sizing Chart
SINGLE PHASE CONTROL SIZING CHART
CABINET STYLES
WELDER PRIMARY VOLTAGE
MODEL NUMBERS
CABINET SIZE
2¾"
With Circuit
Without
2¾"
208 Volts
230 Volts
380 Volts
460 Volts
575 Volts
A
B
C
Breaker
Protection
2¾"
9180-990
9180-900
9½"
20
20
9
Remote Console Series
9½"
1-15
1-15
1-25
1-30
1-40
–
9180M-900
–
–
8
9180, 9380, 9480
KVA
KVA
KVA
KVA
KVA
9180L-990
9180L-900
20
20
9
9½"
9180D-990
9180D-900
20
20
9
6¼"
9180-810
9180-800
20
20
9
16-30
16-35
26-50
31-65
41-80
–
9180M-800
–
–
8
6¼"
KVA
KVA
KVA
KVA
KVA
9180L-810
9180L-800
20
20
9
6¼"
9180D-810
9180D-800
20
20
9
9180-620
9180-600
20
20
9
A
31-75
36-80
51-130
66-170
81-200
–
9180M-600
–
–
14
KVA
KVA
KVA
KVA
KVA
9180L-620
9180L-600
20
20
9
A
9180D-620
9180D-600
20
20
9
A
2¾"
9180-630
24
24
9
76-120
81-130
131-200
171-250
201-325
same as
9180L-630
24
24
9
KVA
KVA
KVA
KVA
KVA
above
9180D-630
24
24
9
B
C
9½
9180-440
–
30
30
13
B
C
9180L-440
–
30
30
13
B
C
121-200
131-250
201-450
251-500
326-600
9180D-440
–
30
30
13
KVA
KVA
KVA
KVA
KVA
–
9180-400
20
20
9
Series L
Series M
–
9180L-400
20
20
9
6¼"
9180L
9180M
–
9180D-400
20
20
9
COMPLETE 1Ø RETROFIT SYSTEMS WITHOUT POWER CABINETS
For use with existing SCR Contactors ............................................................... 9180-SCO, 9180M-S00, 9180-S00
A
12"
A
A
A
A
A
THREE PHASE CONTROL SIZING CHART
A
9"
C
WELDER PRIMARY VOLTAGE
MODEL NUMBERS
CABINET
C
B
B
SIZE
B
FREQUENCY CONVERTER
D.C. SECONDARY
C
C
C
208 & 230
B
380 Volts
460 Volts
575 Volts
C
B
With Circuit
Without
With Circuit
Without
B
Volts
B
A
B
C
C
Breaker
Protection
Breaker
Protection
C
9380-610
–
9480-610
–
30
30
13
–
to 50 KVA
to 65 KVA
to 80 KVA
–
9380-600
–
9480-600
24
24
13
9380-620
–
9480-620
–
30
30
13
to 75 KVA
51-130 KVA
66-170 KVA
81-200 KVA
–
9380-600
–
9480-600
24
24
13
9380-430
–
9480-430
–
36
30
13
76-150 KVA 131-200 KVA 171-250 KVA 201-325 KVA
–
9380-400
–
9480-400
30
30
13
Series D
A
A
9180D
9380-440
–
9480-440
–
36
36
13
151-200 KVA 201-450 KVA 251-500 KVA 326-600 KVA
–
9380-400
–
9480-400
30
30
13
COMPLETE 3Ø RETROFIT SYSTEMS WITHOUT POWER CABINETS
Frequency Converter Control for use with existing SCR Contactors .........................................................9380-S00
C
B
3Ø D.C. Secondary Control for use with existing SCR Contactors ...........................................................9480-S00
C
1. Find the primary voltage of your welder in the
red
area of the chart below.
2. Move downward from this primary voltage to the
blue
box that includes the KVA as shown on the nameplate of your welder.
3. From this point, move to the right for the
SOLUTION
Model Number in the column that lists the desired circuit protection and
®
cabinet style (see photos at right). Note that circuit breakers are recommended for most production welding systems.
EXAMPLE: The correct single phase
SOLUTION
controls with circuit breaker protection for a
®
50 KVA
460 volts
are: #9180-810, 9180L-810, or 9180D-810 (depending on desired cabinet style).
spot welder working at
4. Order this model number from your authorized UNITROL representative or distributor who will recommend control options.
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