Control_Flippingbook_July 2024

1-88

NEMA FULL VOLTAGE POWER DEVICES, CONTROL SECTION 1

— CR412 magnetic starters 2 Speed – 1 winding, thermal magnetic circuit breaker

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.

— 2-Speed solid state overload ranges

NEMA size

0 and 1 Lo Amp 0.4–0.85 0.4–0.85 0.4–0.85 0.8–1.7 1.6–3.4 0.8–1.7 1.6–3.4 3.2–6.8 1.6–3.4 3.2–6.8 6.5–13.5 3.2–6.8 6.5–13.5 0.8–1.7

2

3 and 4 Lo Amp

Code

Hi Amp 0.4–0.85 0.8–1.7 0.8–1.7 1.6–3.4 1.6–3.4 1.6–3.4 3.2–6.8 3.2–6.8 3.2–6.8 6.5–13.5 6.5–13.5 6.5–13.5

Hi Amp 6.5–13.5

Lo Amp 6.5–13.5 6.5–13.5

Hi Amp

C D E G H U K F

17–35 35–70 35–70

17–35 17–35 35–70 17–35 35–70

13–27 13–27 25–50 25–50 25–50

13–27

6.5 -13.5

65–135 65–135 65–135

13–27 25–50

65–135

– – – – – – – – –

– – – – – – – – –

– – – – – – – – –

– – – – – – – – –

L

M

V

W

R S T

13–27 13–27 13–27

13–27

— Step 6 (digit 14) select monitoring options

— Step 5 (digit 13) select auxiliary contacts

Aux contacts (per contactor)

Code

Device

Code

None

A B C

None

A C D

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)

1NO–1NC

D 2 E 2 F 2

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 3 F 3 G 3 H 3 1 4 L 4 N 4

2NO 2NC

2 Not available on 2 speed – 1 winding sizes 0-1.

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 3,4 Q 3,4 R 3,4 S 3,4

3 Available for Type 1 Enclosure only. 4 Requires 120 V control circuit voltage or CPT w/ 120 V secondary.