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Rockwell Automation CEP7- Sprecher+Schuh CEP7 E3 Electronic Overload Relay Short Circuit Ratings User Manual

Short circuit ratings

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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.

WARNING

WARNING

CEP7 E3 Electronic Overload Relay
Short Circuit Ratings

Table 2 High Fault Short Circuit Ratings per UL 508 and CSA 22.2 no. 14 With CA6 and CA7 Contactors

CEP7 Cat. No.

Contactor Cat. No. Max. Starter FLC (A) Max available fault

current (A)

Max. voltage (V) Max Class J or

CC fuse (A)

-23-XX

CA7-09

9

20

-23-XX

CA7-12

12

20

-23-XX

CA7-16

16

30

-23-XX

CA7-23

23

30

-43-XX

CA7-30

30

50

-43-XX

CA7-37

37

50

-43-XX

CA7-43

43

70

-85-XX

CA7-60

60

80

-85-XX

CA7-72

72

100

-85-XX

CA7-85

85

150

CEP7-C1

-180-140, CT-5000

CA6-D95

95

100,000

600

200

CEP7-C2
CEP7-C3
CEP7-C5

-180-140, CT-5000

CA6-D110

110

200

-180-140, CT-5000

CA6-D140

140

250

-180-210, CT-5000

CA6-D180

180

300

-420-210, CT-5000

CA6-D210

210

400

-420-210, CT-5000

CA6-D250

250

400

-420-210, CT-5000

CA6-D300

300

500

-420-302, CT-5000

CA6-D210

210

400

-420-302, CT-5000

CA6-D250

250

400

-420-302, CT-5000

CA6-D300

300

500

-420-420, CT-5000

CA6-D300

300

500

-420-420, CT-5000

CA6-D420

420

600

Short Circuit Ratings

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:

Table 1 Standard Fault Short Circuit Ratings per UL508 and CSA 22.2 No.14

MCS-E3 Cat. No.

Max. available fault

current (A)

Max. voltage (V)

CEP7-C_-23-X

5,000

CEP7-C_-43-X

5,000

CEP7-C_-85-X

10,000

CEP7-C_-180-X

10,000

CEP7-C_-420-X

18,000

CEP7-C_-860-X

42,000

CEP7-C_-CT-5000

5,000

600

PN-17758
DIR 10000010792 (Version 03)

Printed in U.S.A.