
Appendix D—Ratings, Cooling and Power Losses—Inside-the-Delta
62
S811+ Soft Starter
MN03900001E—November 2012
Power Losses
The following table lists the maximum power loss for each S811+ Soft Starter when it is operating
in bypass at the maximum frame size current. These losses should be used in conjunction with the
losses of another cabinet mounted device to determine the enclosure size and any cooling
requirements.
Maximum Power Loss
Catalog
Number
FLA Current
Range Inline
FLA Current Range
Inside-the-Delta
Power Loss (Watts)
S811+N37…
11–37 amps
19–65 amps
30
S811+N66…
20–66 amps
35–114 amps
33
S811+R10…
32–105 amps
55–182 amps
47
S811+R13…
42–135 amps
73–234 amps
55
S811+T18…
56–180 amps
97–311 amps
37
S811+T24…
75–240 amps
130–415 amps
40
S811+T30…
95–304 amps
164–526 amps
45
S811+U36…
112–360 amps
193–623 amps
76
S811+U42…
131–420 amps
227–727 amps
92
S811+U50…
156–500 amps
270–865 amps
116
S811+V36…
112–360 amps
193–623 amps
56
S811+V42…
131–420 amps
227–727 amps
64
S811+V50…
156–500 amps
270–865 amps
78
S811+V65…
203–650 amps
352–1125 amps
109
S811+V72…
225–720 amps
389–1246 amps
127
S811+V85…
265–850 amps
458–1471 amps
164
S811+V10…
312–1000 amps
Not Available
215