Rockwell Automation CEP7 User Manual
CEP7 E3 Electronic Overload Relay
(A)
(A)
Short Circuit Ratings
WARNING
WARNING
To prevent electrical shock, disconnect from power source before installing or servicing.
Select the motor branch circuit protection that complies with the national Electrical Code and any other
governing regional and local codes.
The E3 overload relay is suitable for use on circuits capable of delivering not more that the RMS
symmetrical amperes listed in the following tables:
Short Circuit Ratings
Table 1 Standard Fault Short Circuit Ratings per UL508 and CSA 22.2 No.14
MCS-E3 Cat. No.
CEP7-C_-23-X
CEP7-C_-43-X
CEP7-C_-85-X
CEP7-C_-180-X
CEP7-C_-420-X
CEP7-C_-860-X
CEP7-C_-CT-5000
Max. available fault
current (A)
5,000
5,000
10,000
10,000
18,000
42,000
5,000
Max. voltage (V)
600
Table 2 High Fault Short Circuit Ratings per UL 508 and CSA 22.2 no. 14 With CA6 and CA7 Contactors
CEP7 Cat. No.
CEP7-C1
CEP7-C2
CEP7-C3
CEP7-C5
-23-XX
-23-XX
-23-XX
-23-XX
-43-XX
-43-XX
-43-XX
-85-XX
-85-XX
-85-XX
-180-140, CT-5000
-180-140, CT-5000
-180-140, CT-5000
-180-210, CT-5000
-420-210, CT-5000
-420-210, CT-5000
-420-210, CT-5000
-420-3
02, CT-5000
-420-302, CT-5000
-420-302, CT-5000
-420-420, CT-5000
-420-420, CT-5000
Contactor Cat. No. Max. Starter FLC (A) Max available fault
CA7-09
CA7-12
CA7-16
CA7-23
CA7-30
CA7-37
CA7-43
CA7-60
CA7-72
CA7-85
CA6-D95
CA6-D110
CA6-D140
CA6-D180
CA6-D210
CA6-D250
CA6-D300
CA6-D210
CA6-D250
CA6-D300
CA6-D300
CA6-D420 420 600
920
12 20
16 30
23 30
30 50
37 50
43 70
60 80
72 100
85 150
95
110 200
140 250
180 300
210 400
250 400
300 500
210 400
250 400
300 500
300 500
current
100,000 600
Max. voltage (V) Max Class J or
CC fuse
200
PN-17758
DIR 10000010792 (Version 03)
Printed in U.S.A.
,
,
,
,
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Table 3 IEC Short Circuit Ratings per EN60947-4-1
MCS-E3 Cat. No. Prospective S.C.
Conditional S.C.
current, Ir (A)
Max. voltage (V)
current, Iq (A)
CEP7-C_-23-X
CEP7-C_-43-X
CEP7-C_-85-X
CEP7-C_-180-X
CEP7-C_-420-X
CEP7-C_-860-X
CEP7-C_-CT-5000
1,000
3,000
5,000
000
10
000
18
000
30
1
000
100,000 690
Fuse Coordination
Table 4 IEC Type 1 and Type II Fuse Coordination with CA6 and CA7 contactors per EN60947-4-1
CEP7-C1
CEP7-C2
CEP7-C3
CEP7-C5
MCS-E3 Cat. No.
-23-X
-23-X
-23-X
-23-X
-43-X
-43-X
-43-X
-85-X
-85-X
-85-X
-180-140, CT-5000 CA6-95 95 200 200
-180-140, CT-5000 CA6-110 110 200 200
-180-140, CT-5000 CA6-140 140 250 250
-180-210, CT-5000 CA6-180 180 300 300
-420-210, CT-5000 CA6-210 210 400 400
-420-210, CT-5000 CA6-250 250 400 400
-420-210, CT-5000 CA6-300 30
-420-302, CT-5000 CA6-210 210 400 400
-420-302, CT-5000 CA6-250 250 400 400
-420-302, CT-5000 CA6-300 300 500 500
-420-420, CT-5000 CA6-300 300 500 500
-420-420, CT-5000 CA6-420 420 600 600
Contactor Cat. No.Max. starter FLC
(A)
CA7-09 9 20 15
CA7-12 12 20 20
CA7-16 16 30 30
CA7-23 23 40 40
CA7-30 30 50 50
CA7-37 37 50 50
CA7-43 43 70 70
CA7-60 60 80 80
CA7-72 72 100 100
CA7-85 85
Prospective S.C.
current, Ir (A)
1,000
3,000
5,000
0 500 500
10,000
Conditional S.C.
current, Iq (A)
100,000 600
Max. voltage
(V)
Type I with
Class J fuse (A
150 150
Type II with
Class J fuse (A)
PN-17758
DIR 10000010792 (Version 03)
Printed in U.S.A.
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