Control_Flippingbook_October 2023
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NEMA FULL VOLTAGE POWER DEVICES, CONTROL SECTION 1
— CR490 mag-break magnetic starters Reversing, combination, mag-break 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.
— 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
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
– – – –
– – – – – – –
NEMA size OL range
Code
Code
Code
Code
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
— Step 6 (digit 14) select monitoring options
Aux contacts
Code
Device
Code
None
A B C D
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
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
2NO 2NC
E F
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.
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