Power Supply Capacity - WEG CFW-11 User Manual

Installation and Connection

3.2.3.1.1 Power Supply Capacity

Suitable for circuits with capacity to deliver no more than:
- 100 kA symmetric at 240 V or 480 V when the inverter is protected by fuses;
- 65 kA symmetric at 240 V or 480 V when the inverter is protected by reverse-type circuit breakers.
For compliance with UL standard and specification of current of fuses and circuit breaker see
page 3-18.
Model
CFW11 0006 B 2
CFW11 0006 S 2 O FA
CFW11 0007 T 2
CFW11 0007 B 2
3
CFW11 0007 S 2 O FA
CFW11 0010 S 2
CFW11 0010 T 2
CFW11 0013 T 2
CFW11 0016 T 2
CFW11 0024 T 2
CFW11 0028 T 2
CFW11 0033 T 2
CFW11 0045 T 2
CFW11 0054 T 2
CFW11 0070 T 2
CFW11 0086 T 2
CFW11 0105 T 2
CFW11 0003 T 4
CFW11 0005 T 4
CFW11 0007 T 4
CFW11 0010 T 4
CFW11 0013 T 4
CFW11 0017 T 4
CFW11 0024 T 4
CFW11 0031 T 4
CFW11 0038 T 4
CFW11 0045 T 4
CFW11 0058 T 4
CFW11 0070 T 4
CFW11 0088 T 4
(*) In the indicated models use semiconductor fuses instead of class J fuses.
3-18 | CFW-11
Table 3.3 - Fuses and circuit breaker specifications according to UL standard
Inverter Protection With
Class J Fuses
(*)
Rated Maximum Power
Current of Supply Short-
Fuse Circuit Current
20 A
20 A
20 A
20 A
20 A
25 A
25 A
25 A
25 A
35 A
35 A
35 A
60 A
60 A
100 A
(*)
100 kA
100 A
125
(*)
20 A
20 A
20 A
20 A
25 A
35 A
35 A
35 A
50 A
60 A
60 A
80 A
100 A
Inverter Protection With Circuit Breaker
Rated
Current Minimum Cabinet Dimensions
of Circuit (Depth X Height X Width)
Breaker
15 A
15 A
15 A
15 A
15 A
15 A
203 x 457 x 508 mm
15 A
(8 x 18 x 20 in)
15 A
20 A
30 A
30 A
40 A
50 A
203 x 610 x 508 mm
60 A
(8 x 24 x 20 in)
80 A
100 A
203 x 762 x 610 mm
(8 x 30 x 24 in)
125 A
15 A
15 A
15 A
15 A
203 x 457 x 508 mm
(8 x 18 x 20 in)
20 A
20 A
30 A
40 A
40 A
203 x 610 x 508 mm
50 A
(8 x 24 x 20 in)
60 A
80 A
203 x 762 x 610 mm
(8 x 30 x 24 in)
100 A
Table 3.3 on
Maximum Power
Supply Short-Circuit
Current
65 kA