Rockwell Automation Publication MOTION-AT007A-EN-P - May 2020 69
Kinetix and PowerFlex Drive Specifications Appendix A
170M Fuses
Cooper Bussmann
P. O. Box 14460
St. Louis, MO 63178-4460
May 15, 2002
Sr. Project Engineer, Rockwell Automation
6400 West Enterprise Drive
P.O. Box 760
Mequon, WI 53092
Subject: DC Testing for 170M Fuses
Dear Mr.
At the request of Rockwell Automation, Bussmann has completed the DC testing for the 170M fuses and is pleased to present the attached
information indicating successful 'Self-Certification DC Rating' on all subject fuses.
Bussmann tested fuses to the following parameters specified by Rockwell Automation:
• Short Circuit Current = 65 kA and 100 kA
• Voltage = 810V DC
• Time Constant ≥0.4 ms
Additional tests were performed for acceptability:
• Short Circuit Current = 30 times fuse amperage as minimum current interrupting rating or as tested
• Voltage = 810V DC
• Time Constant ≥0.4 ms
Table 62 - Cooper Bussmann JKS, DC Fuse Test for Rockwell Automation
Fuse Results
Circuit Parameters
Interrupting Amps
Volts DC Time Constant Circuit Configuration
Min Max
JKS-(3A…15A) Acceptable – 69.6 kA 810 2.78 ms Configuration A
JKS-(3A…15A) Acceptable 375 A – 810 0.55 ms Configuration A
JKS-(20A…30A) Acceptable – 69.6 kA 816 2.78 ms Configuration A
JKS-(20A…30A) Acceptable 920 A – 812 0.4 ms Configuration A
JKS-(35A…60A) Acceptable – 69.6 kA 816 2.78 ms Configuration A
JKS-(35A…60A) Acceptable 1820 A – 812 0.5 ms Configuration A
JKS-(70A…100A) Acceptable – 69.6 kA 816 2.78 ms Configuration A
JKS-(70A…100A) Acceptable 2950 A – 812 0.86 ms Configuration A
JKS-(110A…200A) Acceptable – 69.6 kA 816 2.78 ms Configuration A
JKS-(110A…200A) Acceptable 5960 A – 810 3.34 ms Configuration A
JKS-(225A…400A) Acceptable – 69.6 kA 816 2.78 ms Configuration A
JKS-(225A…400A) Acceptable 11.5 kA – 812 2.92 ms Configuration A
JKS-(450A…600A) Acceptable – 69.6 kA 816 2.78 ms Configuration A
JKS-(450A…600A) Acceptable 15.5 kA – 810 0.4 ms Configuration A
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