Technical data

March 2009
CA08102001E For more information visit: www.eaton.com
33-9
NEMA Contactors & Starters
33
IT. Electro-Mechanical
Starters — Full Voltage, Non-reversing and Reversing
Reversing Starters
When Ordering Specify
NEMA Size, Continuous Ampere Rating,
Voltage, kW/hp, Non-reversing or
Reversing and Overload Adjustment
Range (Amperes)
Note:
■ An N501 (Size 00 – 4) consists of two N04N
(Contact Blocks), N06N (Reversing Overload
Relay), Fanning Strips, Mechanical Interlock
and Mounting Plate, factory assembled.
■ An N501F (Size 5) consists of two N111F
(Contactors), N06N (Reversing Overload
Relay), Fanning Strips, Mechanical Interlock,
Crossover Bus Bars and Reversing Wiring
Harness, factory assembled.
Table 33-5. Full Voltage Reversing DC-Operated, Open Type Starters (Size 00 – 5),

with 3-Pole Solid-State Overload Protection

24V DC coil voltage.
Note:
■ If required, accessories are available on Page 33-13.
■ The standard IT. starter is for 3-phase applications only.
■ See Table 33-7 for 24V DC power supply requirements.
■ Control inputs are rated 24V DC (3 – 5 mA).
Cat. No. N501BS0G3A
NEMA
Size
Continuous
Ampere
Rating
Overload
Adjustment
Range
(Amperes)
Max. UL Horsepower
(hp) 60 Hz
Max. UL
Horsepower
(hp) 50 Hz
3-Pole Reversing
1-Phase 3-Phase 3-Phase Catalog
Number
Price
U.S. $
115V 230V 200V/
208V
230V/
240V
460V/
480V
575V/
600V
380V
00 9 .25 – .8
.59 – 1.9
1.4 – 4.4
2.8 – 9.0
6.3 – 20
——
1-1/2 1-1/2 2 2 1-1/2 N501BSAA3A
N501BSAB3A
N501BSAC3A
N501BSAD3A
N501BSAG3A
018 .25 – .8
.59 – 1.9
1.4 – 4.4
2.8 – 9.0
6.3 – 20
10 – 32
—— 3 3 555 N501BS0A3A
N501BS0B3A
N501BS0C3A
N501BS0D3A
N501BS0G3A
N501BS0J3A
127 .25 – .8
.59 – 1.9
1.4 – 4.4
2.8 – 9.0
5.0 – 16
8.4 – 27
16 – 50
—— 7-1/2 7-1/2 10 10 10 N501CS1A3A
N501CS1B3A
N501CS1C3A
N501CS1D3A
N501CS1F3A
N501CS1H3A
N501CS1L3A
245 5.0 – 16
8.4 – 27
14 – 45
31 – 100
—— 10 15 25 25 25 N501DS2F3A
N501DS2H3A
N501DS2K3A
N501DS2N3A
390 14 – 45
28 – 90
42 – 135
—— 25 30 50 50 50 N501ES3K3A
N501ES3M3A
N501ES3P3A
4 135 14 – 45
28 – 90
42 – 135
63 – 200
—— 40 50 100 100 75 N501ES4K3A
N501ES4M3A
N501ES4P3A
N501ES4R3A
5 270 42 – 135
84 – 270
131 – 420
—— 75 100 200 200 150 N501FS5P3A
N501FS5S3A
N501FS5T3A
Accessories . . . . . . . . . . . . . . Pages 33-13 – 33-16
Technical Data . . . . . . . . . . . . Pages 33-10 – 33-12
Dimensions . . . . . . . . . . . . . . . Pages 33-22 – 33-24
Discount Symbol . . . . . . . . . . 1CD1