Control_Flippingbook_July 2024

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NEMA FULL VOLTAGE POWER DEVICES, CONTROL SECTION 1

— CR387 mag-break magnetic starters Nonreversing, combination, mag-break circuit breaker type

Part number configuration Valid for NEMA sizes 0-2, type 1 standard enclosure

— Step 3 (digits 10, 11) select protective device

— Mag-break circuit breaker — Spectra™ series

208 V

240 V

480 V

600 V

Max Hp

CB rating (amps)

Max Hp

CB rating (amps)

Max Hp

CB rating (amps)

Max Hp

CB rating (amps)

NEMA size

Code

Code

Code

Code

0

0.5

3 7

MA MB

0.5

3 – – 7

MA

1

3

MA

1

3 – 7

MA

1 – 3 – 5 –

– – 1 3 5

– –

–

–

–

–

–

–

–

3

7

MB

3

MB

15

MC

MB MC ME

–

–

–

–

–

–

–

–

15 25

5

15 25 25

MC ME ME

5

15 25

MC ME

1

25

ME

7 1 ⁄

10

2

–

–

–

–

–

10

– –

– –

– –

7 1 ⁄

40

MG

7

1 ⁄

40

MG

–

–

–

2

2

2

–

–

–

–

–

–

15

40

MG

15

40

MG

10

60

MJ

10

60

MJ

– – –

– – –

– – –

– –

– –

– –

– – – – –

– – – – –

– – – – –

– –

– –

– –

20

40

MG

15

60

MJ

20 25 30

60 60 60

MJ MJ MJ

–

–

–

– –

– –

– –

25 30

60 60

MJ MJ

3

15

100

MN

20

100

MN

– –

– –

– –

–

–

–

–

–

–

–

–

–

40

60

MJ

20 25 30

100 100 150

MN MN MR

25 30

100 100

MN MN

40 50 60

100 100 100

MN MN MN

–

–

–

50 60

100 100

MN MN

4

–

–

–

– – –

– – –

– – –

40

175

MS

–

–

–

–

–

–

– –

– –

– –

75

150

MR

75

150 150

MR MR

–

–

–

100

40

175

MS

50

175

MS

100

175

MS

–

–

–

— Step 4 (digit 12) select overload relay

Overload relay

Code

Thermal bi-metallic ambient compensated (1NC) Thermal bi-metallic ambient compensated (1NO–1NC)

3 4

Solid state overload (1NO–1NC)

(#)

(#) Select code for solid state overload amp rating from standard or optional ranges table below.

— Solid state overload relay — standard range

— Optional ranges

NEMA size

200–208 V

230–240 V

460–480 V

575–600 V

OL amp range

0 and 1

2

Max Hp

Max Hp

Max Hp

Max Hp

NEMA size OL range

Code

Code

Code

Code

0.4–0.85 0.8–1.7 1.6–3.4 3.2–6.8 6.5–13.5 13–27 25–50 17–35 35–70 65–135

C D E F G H

– – – –

3 ⁄

D E

1 2 5

D E

0

0.8–1.7 1.6–3.4 3.2–6.8 6.5–13.5 6.5–13.5

–

–

–

–

4

1 ⁄

E F G

3 ⁄

E F G

2 3 5

2

4

1 3

2 3

F

F –

G G H H

–

G H

7 1 ⁄

10

G

1

–

–

–

–

2

13–27 13–27 25–50

7 1 ⁄

H

7

1 ⁄

H

10 20 25

–

–

– – – –

J – – –

2

2

2

–

– J

–

25

H

10

15

J

J

–

–