Control_Flippingbook_NOV 2024

NEMA FULL VOLTAGE POWER DEVICES, CONTROL SECTION 1

1-56

— Enclosed combination magnetic starters CR487 non-reversing, instantaneous trip circuit breaker

Ordering code configuration Valid for NEMA sizes 0–4

Digits:

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

C R

Steps:

Step 1

Step 2

Step 3

Step 4 Step 5 Step 6 Step 7 Step 8 Step 9

To configure the ordering code, use the tables below to fill in the digit boxes with the appropriate code.

— Step 4 (digit 12) select overload relay Overload relay Thermal bi-metallic ambient compensated (1 NC) Thermal bi-metallic ambient compensated (1 NO–1 NC)

Code

3 4

Solid state overload (1 NO–1 NC)

(#)

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

— Solid state overload relay — standard range

— Optional ranges

NEMA size 2 3 and 4

200–208 V

230–240 V

460–480 V

575–600 V

OL amp range

0 and 1

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 13 - 27 13 - 27 25 - 50 17 - 35 35 - 70 65 - 135 65 - 135

–

–

–

–

4

1 ⁄

E F G

3 ⁄

E F G

2 3 5

2

4

1 3

2 3

F

F –

G H

G G H H

–

7 1 ⁄

10

G

1

–

–

–

–

2

– – – –

J – – –

7 1 ⁄

H

7

1 ⁄

H

10 20 25

–

–

2

2

K L

2

–

– J – L

–

– J – L

25

H

10

15

J – L –

–

–

M

3

–

–

–

30 50

K L

20 25 40

25 30 50

50

M M

M M

–

–

–

4

100

M

100

M

— Step 5 (digit 13) select auxiliary contacts Auxiliary contacts

— Step 6 (digit 14) select monitoring options Device Phase failure relay with undervoltage protection (panel mounted) — 190-480V (PFR with UV) Phase failure relay with undervoltage protection (panel mounted) — 575V (PFR with UV) None

Code

Code

None 1 NO 1 NC

A B C D E F G H

A

C 2

D 2

1 NO–1 NC

2 NO 2 NC

Phase failure relay — 208 V (PFR) Phase failure relay — 240 V (PFR) Phase failure relay — 480 V (PFR) Phase failure relay — 575 V (PFR)

E 4,6 F 4,6 G 4,6 H 4,6 1 2,5

2 NO–1 NC 1 NO–2 NC

3 NO 3 NC 4 NO 4 NC

J

Elapsed time meter (120 V/60 Hz) wired across coil (ETM)

K

ETM + PFR with UV (190–480 V) ETM + PFR with UV (575 V)

L 2,5,6 N 2,5,6 P 2,4,5,6 Q 2,4,5,6 R 2,4,5,6

L 3

M 3 N 3

ETM + PFR (208 V) ETM + PFR (240 V) ETM + PFR (480 V) ETM + PFR (575 V)

2 NO–2 NC 3 NO–1 NC 1 NO–3 NC

P 3 R 3

S 2,4,5,6 2 Requires oversized enclosure for NEMA sizes 0–2. Select proper NEMA size and enclosure type from step 1 (digits 1–7). 4 Available for type 1 enclosure only. 5 Requires 120 V control circuit voltage or CPT with 120 V secondary. 6 Requires oversized enclosure for phase failure relay.

3 Exceeds maximum number of contacts for some pilot light selections. See step 8 (digit 16).