Control Catalog Flippingbook
NEMA FULL VOLTAGE POWER DEVICES, CONTROL SECTION 1
1-82
— 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 Thermal Bi-Metallic Non-compensated (1NC) Thermal Bi-Metallic Non-compensated (1NO-1NC) Thermal Bi-Metallic Ambient Compensated (1NC) Thermal Bi-Metallic Ambient Compensated (1NO-1NC)
Code
1 2 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
200-208V
230-240V
460-480V
575-600V
NEMA size 0 & 1
NEMA Size
OL Range
OL Amp Range
2 3 & 4
Max Hp
Max Hp
Max Hp
Max Hp
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 –
– – – –
0.8 - 1.7 –
– E F
–
– E F
3/4
D 1
D E F
1.6 - 3.4 1/2 3.2 - 6.8 1 6.5 - 13.5 3 6.5 - 13.5 – 13 - 27 – 25 - 50 10 17 - 35 – 35 - 70 20 65 - 135 25 65 - 135 40
3/4
2 3
E F
2 5
0
2
G 3
G 5
G –
–
G G – H H –
–
–
–
7 1/2 G 10
G
1
13 - 27 7 1/2 H 7 1/2 H 10
H – H 25
–
– – – –
J – – –
–
– J – L
–
– J – L
20 25
H
K L
2
15
J – L –
–
–
–
–
30 50
K L
M
3
25
50
M 30 M 50
M –
–
–
4
M 100
M 100
M
Step 5 (digit 13) select auxiliary contacts Aux Contacts
Code
None
A B C D E
1NO 1NC
1NO-1NC
2NO 2NC
F
Step 6 (digit 14) select monitoring options Device
Code
None
A C D
Phase Failure Relay with Undervoltage Protection (panel mounted) - 190-480V (PFR w/UV) Phase Failure Relay with Undervoltage Protection (panel mounted) - 575V (PFR w/UV)
Phase Failure Relay - 208V (PFR) Phase Failure Relay - 240V (PFR) Phase Failure Relay - 480V (PFR) Phase Failure Relay - 575V (PFR)
E 2 F 2 G 2 H 2 1 3 L 3 N 3
Elapsed Time Meter (120V/60Hz) Wired Across Coil (ETM)
ETM + PFR w/UV (190-480V)
ETM + PFR w/UV (575V)
ETM + PFR (208V) ETM + PFR (240V) ETM + PFR (480V) ETM + PFR (575V)
P 2,3 Q 2,3 R 2,3 S 2,3
2 Available for Type 1 Enclosure only. 3 Requires 120V Control Circuit Voltage or CPT w/ 120V Secondary.
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