Cutler Hammer, Div of Eaton Corp S752 Part Numbering Designation

Catalog Number Selection

Table 39-14. S752 Open Soft Starters Catalog Numbering System

S 7 5 2 L 5 0 N 3 S

S = IT. Soft Starter

752 = Non-combination

Soft Starter

L = 54 mm

01 = 1 Amp
02 = 2 Amp
04 = 4 Amp
09 = 9 Amp

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Inside-the-delta version only.

Frame Size

Device Rating

16 = 16 Amp
27 = 27 Amp
50 = 50 Amp

Voltage Rating

V02 = 240V
V06 = 600V

S = Standard Soft Starter —

In-Line Control

D = Inside-the-Delta Control

3 = 3-Pole Device

N = No Options

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Reduced Voltage Motor Starters
Solid-State Starters

February 2007

Product Selection

IT. S752 Product Selection — In-Line

Standard Duty Ratings

Standard duty ratings are defined as those that do not exceed any of the
following operating conditions:

■ 25 second ramp, 2 starts per hour, 40°C ambient, 300% FLA current

■ 15 second ramp, 4 starts per hour, 40°C ambient, 300% FLA current

■ 10 second ramp, 6 starts per hour, 40°C ambient, 300% FLA current

■ 7.5 second ramp, 8 starts per hour, 40°C ambient, 300% FLA current

■ 3.0 second ramp, 15 starts per hour, 40°C ambient, 300% FLA current

Table 39-15. IT. S752 Soft Starter Standard Duty Ratings

Maximum
Continuous
Current

0.8 0.25 – 0.8 0.3 0.37 0.55 1/8 1/6 1/3 1/3 S752L01N3S

1.9 0.59 – 1.9 0.6 1.1 1.1 1/3 1/3 3/4 1 S752L02N3S

4.4 1.4 – 4.4 1.5 2.2 3 3/4 1 2 3 S752L04N3S

9 2.8 – 9.035.5 5.52257-1/2S752L09N3S

16 5.0 – 16 5.5 10 11 3 5 10 10 S752L16N3S

27 8.4 – 27 10 15 18.5 7-1/2 7-1/2 20 25 S752L27N3S

50 16 – 50 12.5 22 30 15 15 30 40 S752L50N3S

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For applications above 40°C, derate 1% per °C.

FLA Current
Range

kW Rating (50 Hz) Horsepower Rating (60 Hz) Catalog

230V 380 – 400V 440V 200V 230V 460V 575V

Type S752, Intelligent Technologies (IT.) Soft Starters

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— In-Line

Number

39-17

Price
U.S. $

39

Heavy Duty Ratings

Heavy duty ratings are defined as those that do exceed any of the
following operating conditions:

■ 25 second ramp, 2 starts per hour, 40°C ambient, 400% FLA current

■ 15 second ramp, 4 starts per hour, 40°C ambient, 400% FLA current

■ 10 second ramp, 6 starts per hour, 40°C ambient, 400% FLA current

■ 7.5 second ramp, 8 starts per hour, 40°C ambient, 400% FLA current

■ 3.0 second ramp, 15 starts per hour, 40°C ambient, 400% FLA current

Table 39-16. IT. S752 Soft Starter Heavy Duty Ratings

Maximum
Continuous
Current

0.8 0.25 – 0.8 0.3 0.37 0.55 1/8 1/6 1/3 1/3 S752L01N3S

1.9 0.59 – 1.9 0.6 1.1 1.1 1/3 1/3 3/4 1 S752L02N3S

4.4 1.4 – 4.4 1.5 2.2 3 3/4 1 2 3 S752L04N3S

9 2.8 – 9.035.5 5.52257-1/2S752L09N3S

16 5.0 – 16 5.5 10 11 3 5 10 10 S752L16N3S

27 8.4 – 27 10 15 18.5 5 7-1/2 15 20 S752L27N3S

50 16 – 50 12.5 15 20 7-1/2 10 20 25 S752L50N3S

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For applications above 40°C, derate 1% per °C.

FLA Current
Range

kW Rating (50 Hz) Horsepower Rating (60 Hz) Catalog

230V 380 – 400V 440V 200V 230V 460V 575V

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— In-Line

Number

Price
U.S. $

Severe Duty Ratings

Severe Duty ratings are defined as those that do exceed any of the Heavy Duty operating conditions. Please contact the
Technical Resource Center for Severe Duty application assistance.

Discount Symbol . . . . . . . . . . . . . . . . . . . . . . . . 1CD1