Cutler Hammer, Div of Eaton Corp S811 Part Numbering Designation

Catalog Number Selection

S 811 T 30 N 3 S

Frame Size

2

N = 65 mm
R = 110 mm
T = 200 mm
U = 200 mm
V = 290 mm

Ampere Rating

37 = 37A
66 = 66A
10 = 105A
13 = 135A
18 = 180A

24 = 240A
30 = 304A
36 = 360A
42 = 420A
50 = 500A

3

65 = 650A
72 = 720A
85 = 850A
10 = 1000A

S = Standard soft starter

(configurable for
edge or level control)

D = Inside-the-delta
L = Extended ramp start
W = Without DIM

Number of Poles

3 = Three-pole device

Options

N = No options
P = Pump control
V = 690V option (Frame

T18 through V85)

4

S = Soft Starter

811 = Non-combination

soft starter

S811 Open Soft Starters

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Notes

1

All units require a 24 Vdc power supply found on catalog Page V6-T1-107, or equivalent.

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3

4

T-, U- and V-Frames require lug kits found on Page V6-T1-107.
U-Frame 500A unit does not have IEC certification.
Not available in U-Frame.

Reduced Voltage Motor Starters

S811

Solid-State Starters

1.2

Product Selection

Standard Duty Ratings

Starting Method

Soft start 300% 30 sec. 3 50°C

Full voltage 500% 10 sec. 3 50°C

Wye-delta 350% 20 sec. 3 50°C

80% RVAT 480% 20 sec. 2 50°C

65% RVAT 390% 20 sec. 3 50°C

50% RVAT 300% 20 sec. 4 50°C

Motor applications and
customer needs come in
many different varieties.
With the standard and severe
duty rating tables, we have
attempted to provide

Ramp Current
% of FLA

guidelines on what the soft
starter is capable of.
If the application falls under
these categories, you can
use these charts. For other
applications, or when a

Standard Duty—15 Second Ramp, 4 Starts per Hour, 300% Current Limit at 40°C

Three-Phase Motors
kW Rating (50 Hz) hp Rating (60 Hz)

Max.
Current

Frame Size N

37 10 18.5 18.5 10 10 10 10 25 20 30 30 S811N37N3S

66 18.5 30 37 20 15 20 20 50 40 60 50 S811N66N3S

Frame Size R

105 30 55 59 30254030756010075S811R10N3S

135 40 63 80 40 30 50 40 100 75 125 100 S811R13N3S

Frame Size T

180 51 90 110 60 50 60 60 150 125 150 150 S811T18N3S

240 75 110 147 75 60 75 75 200 150 200 200 S811T24N3S

304 90 160 185 100 75 100 100 250 200 300 250 S811T30N3S

Frame Size U

360 110 185 220 125 100 150 125 300 250 350 300 S811U36N3S

420 129 220 257 150 125 175 150 350 300 450 350 S811U42N3S

500 150 257 300 150 150 200 150 400 350 500 450 S811U50N3S

Frame Size V

360 110 185 220 125 100 150 125 300 250 350 300 S811V36N3S

420 129 220 257 150 125 175 150 350 300 450 350 S811V42N3S

500 150 257 300 150 150 200 150 400 350 500 450 S811V50N3S

650 200 355 425 250 200 250 200 500 450 600 500 S811V65N3S

720 220 400 450 — — 300 250 600 500 700 600 S811V72N3S

850 257 475 500 — — 350 300 700 600 900 700 S811V85N3S

1000 277 525 550 — — 400 350 800 700 900 800 S811V10N3S

For Pump Option, replace character 8 with “P” and also, see Pa ge V 6-T 1-108.

Notes

1

2

3

230V 380–400V 440V

690V is available only from T18 thru V85. Not available on U-Frames.
500A rating does not have IEC certification.
For more information on optimum performance of the 1000A Frame Size V S811, see Appendix E of MN03902002E.

Ramp Time
Seconds Starts per Hour

question arises, consult
with your local Eaton
representative or call our
Technical Resource Center.

200V 230V 460V 575–690V

1.0SF 1.15SF 1.0SF 1.15SF 1.0SF 1.15SF 1.0SF 1.15SF

Ambient
Temperature

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Catalog
Number

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S811

Reduced Voltage Motor Starters

Solid-State Starters

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Standard Duty—25 Second Ramp, 4 Starts per Hour, 300% Current Limit at 40°C

Three-Phase Motors
kW Rating (50 Hz) hp Rating (60 Hz)

Max.
Current

Frame Size N

34 9 15 18.5 10 7-1/2 10 10 25 20 30 25 S811N37N3S

63 15 30 33 20 15 20 20 40 40 60 50 S811N66N3S

Frame Size R

96 25 45 55 30 25 30 30 75 60 75 75 S811R10N3S

120 33 63 63 403040407575100100S811R13N3S

Frame Size T

150 45 80 90 50405050100100150125S811T18N3S

215 63 11013260607560150150200150S811T24N3S

278 80 147 160 75 75 100 75 200 200 250 250 S811T30N3S

Frame Size U

320 90 160 185 100 75 125 100 250 200 300 250 S811U36N3S

380 110 200 220 125 100 150 125 300 250 350 300 S811U42N3S

460 140 250 280 150 125 150 150 350 300 450 400 S811U50N3S

Frame Size V

320 90 160 185 100 75 125 100 250 200 300 250 S811V36N3S

380 110 200 220 125 100 150 125 300 250 350 300 S811V42N3S

460 140 250 280 150 125 150 150 350 300 450 400 S811V50N3S

610 185 315 375 250 150 200 200 500 450 600 500 S811V65N3S

680 200 375 445 — 200 250 200 600 500 700 600 S811V72N3S

810 250 450 500 — — 300 300 700 600 900 700 S811V85N3S

890 290 510 560 — — 400 350 700 600 900 700 S811V10N3S

For Pump Option, replace character 8 with “P” and also, see Pa ge V 6-T 1-108.

Notes

1

690V is available only from T18 thru V85. Not available on U-Frames.

2

500A rating does not have IEC certification.

3

For more information on optimum performance of the 1000A Frame Size V S811, see Appendix E of MN03902002E.

230V 380–400V 440V

200V 230V 460V 575–690V

1.0SF 1.15SF 1.0SF 1.15SF 1.0SF 1.15SF 1.0SF 1.15SF

1

Catalog
Number

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3

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Reduced Voltage Motor Starters

S811

Solid-State Starters

1.2

Standard Duty—15 Second Ramp, 4 Starts per Hour, 300% Current Limit at 50°C

Three-Phase Motors
kW Rating (50 Hz) hp Rating (60 Hz)

Max.
Current

Frame Size N

34 9 15 18.5 10 7-1/2 10 10 25 20 30 25 S811N37N3S

63 15 30 33 20 15 20 20 40 40 60 50 S811N66N3S

Frame Size R

96 25 45 55 30 25 30 30 75 60 75 75 S811R10N3S

120 33 63 63 403040407575100100S811R13N3S

Frame Size T

150 45 80 90 50405050100100150125S811T18N3S

215 63 110 132 60 60 75 60 150 150 200 150 S811T24N3S

278 80 147 160 75 75 100 75 200 200 250 250 S811T30N3S

Frame Size U

320 90 160 185 100 75 125 100 250 200 300 250 S811U36N3S

460 110 200 220 125 100 150 125 300 250 350 300 S811U42N3S

460 140 250 280 150 125 150 150 350 300 450 400 S811U50N3S

Frame Size V

320 90 160 185 100 75 125 100 250 200 300 250 S811V36N3S

380 110 200 220 125 100 150 125 300 250 350 300 S811V42N3S

460 140 250 280 150 125 150 150 350 300 450 400 S811V50N3S

610 185 315 375 250 150 200 200 500 450 600 500 S811V65N3S

680 200 375 445 — 200 250 200 600 500 700 600 S811V72N3S

830 257 450 500 — — 300 300 700 600 900 700 S811V85N3S

960 302 510 540 — — 350 300 800 700 900 800 S811V10N3S

For Pump Option, replace character 8 with “P” and also, see Pa ge V 6-T 1-108.

Notes

1

2

3

230V 380–400V 440V

690V is available only from T18 thru V85. Not available on U-Frames.
500A rating does not have IEC certification.
For more information on optimum performance of the 1000A Frame Size V S811, see Appendix E of MN03902002E.

200V 230V 460V 575–690V

1.0SF 1.15SF 1.0SF 1.15SF 1.0SF 1.15SF 1.0SF 1.15SF

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Catalog
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1.2

S811

Reduced Voltage Motor Starters

Solid-State Starters

1

1

1

1

1

1

1

1

1

1

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Standard Duty—50 Second Ramp, 2 Starts per Hour, 300% Current Limit at 50°C

Three-Phase Motors
kW Rating (50 Hz) hp Rating (60 Hz)

Max.
Current

Frame Size N

21 5.51011555515101515S811N37N3S

42 11 18.5 22 10 10 15 10 30 25 40 30 S811N66N3S

Frame Size R

60 15 30 33 15 15 20 15 40 40 50 50 S811R10N3S

80 22 40 45 25 20 30 25 60 50 75 60 S811R13N3S

Frame Size T

115 33 59 63 303040307575100100S811T18N3S

150 45 80 90 50405050100100150125S811T24N3S

192 55 10011060506060150125200150S811T30N3S

Frame Size U

280 80 150 160 75 75 100 75 200 200 250 250 S811U36N3S

340 110 180 200 100 100 125 100 250 200 350 300 S811U42N3S

380 110 200 220 125 100 150 125 300 250 350 300 S811U50N3S

Frame Size V

280 80 150 160 75 75 100 75 200 200 250 250 S811V36N3S

340 110 180 200 100 100 125 100 250 200 350 300 S811V42N3S

380 110 200 220 125 100 150 125 300 250 350 300 S811V50N3S

420 129 220 257 150 125 150 150 350 300 450 350 S811V65N3S

480 147 257 295 150 150 200 150 400 350 500 450 S811V72N3S

590 180 315 375 200 150 200 200 500 400 600 500 S811V85N3S

650 205 370 415 250 200 250 200 500 450 600 500 S811V10N3S

For Pump Option, replace character 8 with “P” and also, see Pa ge V 6-T 1-108.

Notes

1

690V is available only from T18 thru V85. Not available on U-Frames.

2

500A rating does not have IEC certification.

3

For more information on optimum performance of the 1000A Frame Size V S811, see Appendix E of MN03902002E.

230V 380–400V 440V

200V 230V 460V 575–690V

1.0SF 1.15SF 1.0SF 1.15SF 1.0SF 1.15SF 1.0SF 1.15SF

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Catalog
Number

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