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September 2003
CA03310002E For more information visit: www.cutler-hammer.eaton.com
9
NEMA Contactors & Starters
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 5. Full Voltage Reversing DC-Operated, Open Type Starters (Size 00 – 5),
ᕃ
with 3-Pole Solid-State Overload Protection
ᕃ
24V DC coil voltage.
Note:
■If required, accessories are available on Page 13.
■The standard IT. starter is for 3-phase applications only.
■See Table 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
1/3 1
1-1/2 1-1/2 2 2
1-1/2 N501BSAA3A
N501BSAB3A
N501BSAC3A
N501BSAD3A
N501BSAG3A
491.
491.
491.
491.
491.
0 18 .25 – .8
.59 – 1.9
1.4 – 4.4
2.8 – 9.0
6.3 – 20
10 – 32
12
3 3 555 N501BS0A3A
N501BS0B3A
N501BS0C3A
N501BS0D3A
N501BS0G3A
N501BS0J3A
585.
585.
585.
585.
585.
585.
1 27 .25 – .8
.59 – 1.9
1.4 – 4.4
2.8 – 9.0
5.0 – 16
8.4 – 27
16 – 50
2 3 7-1/2 7-1/2 10 10 10 N501CS1A3A
N501CS1B3A
N501CS1C3A
N501CS1D3A
N501CS1F3A
N501CS1H3A
N501CS1L3A
665.
665.
665.
665.
665.
665.
665.
2 45 5.0 – 16
8.4 – 27
14 – 45
31 – 100
3 7-1/2 10 15 25 25 25 N501DS2F3A
N501DS2H3A
N501DS2K3A
N501DS2N3A
1,255.
1,255.
1,255.
1,255.
3 90 14 – 45
28 – 90
42 – 135
7-1/2 15
25 30 50 50 50 N501ES3K3A
N501ES3M3A
N501ES3P3A
2,065.
2,065.
2,065.
4 135 14 – 45
28 – 90
42 – 135
63 – 200
— — 40 50 100 100 75 N501ES4K3A
N501ES4M3A
N501ES4P3A
N501ES4R3A
5,040.
5,040.
5,040.
5,040.
5 270 42 – 135
84 – 270
131 – 420
— — 75 100 200 200 150 N501FS5P3A
N501FS5S3A
N501FS5T3A
9,680.
9,680.
9,680.
Accessories . . . . . . . . . . . . . . . . . . . Pages 13 – 17
Technical Data . . . . . . . . . . . . . . . . . Pages 10 – 12
Dimensions . . . . . . . . . . . . . . . . . . . . Pages 22 – 24
Discount Symbol . . . . . . . . . . . . . . . 1CD1