Control_Flippingbook_July 2024

1-73

NEMA FULL VOLTAGE POWER DEVICES, CONTROL SECTION 1

— CR410 magnetic starters Reversing, combination, thermal magnetic circuit breaker type

Part number configuration Valid for NEMA sizes 0-4

— 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.

— Step 4 (digit 12) select overload relay (continued)

— Optional ranges

— Solid state overload relay — standard range

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 G H H

–

G H

7 1 ⁄

10

G

1

–

–

–

–

2

7 1 ⁄

H

7

1 ⁄

H

10 20 25

–

–

– – – –

J – – –

2

2

2

–

– J – L

–

– J – L

25

H

K L

10

15

J – L –

–

–

3

–

–

–

30 50

K L

M

20 25 40

25 30 50

50

M M

M M

–

–

–

4

100

M

100

M

— Step 5 (digit 13) select auxiliary contacts

— Step 6 (digit 14) select monitoring options

Aux contacts (per contactor)

Code

Device

Code

None

A B C D

None

A C

1NO 1NC

Phase failure relay with undervoltage protection (panel mounted) — 190–480 V (PFR w/UV) Phase failure relay with undervoltage protection (panel mounted) — 575 V (PFR w/UV)

D

1NO–1NC

2NO 2NC

E F

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 2 F 2 G 2 H 2 1 3 L 3 N 3

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

ETM + PFR w/UV (190–480 V)

ETM + PFR w/UV (575 V)

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

P 2,3 Q 2,3 R 2,3 S 2,3

2 Available for type 1 enclosure only. 3 Requires 120 V control circuit voltage or CPT w/ 120 V secondary.