Rockwell Automation Publication 2198-UM004D-EN-P - December 2022 33
Chapter 2 Plan and Install the Kinetix 5100 Drive System
Circuit Breaker/Fuse Selection
The Kinetix 5100 drives use internal solid-state motor short-circuit protection
and, when connected to a suitable branch circuit protection, are rated for use
on a circuit that can deliver up to 5000 A (fuses or circuit breakers).
Make sure the selected components are properly coordinated and meet
acceptable codes including any requirements for branch circuit protection.
Evaluation of the short-circuit available current is critical and must be kept
below the short-circuit current rating of the circuit breaker.
See the Kinetix Servo Drives Specifications Technical Data, publication
KNX-TD003
, for input current and inrush current specifications for your
Kinetix 5100 drive.
Circuit Breaker/Fuse Specifications
Kinetix 5100 servo drives use internal solid-state motor short-circuit
protection and, when protected by suitable branch circuit protection, are rated
for use on a circuit capable of delivering up to 5000 A when protected by fuses
or circuit breakers. These fuses and Allen-Bradley® circuit breakers are
recommended for use with 2198-Exxxx-ERS drives.
IMPORTANT
Do not use circuit protection devices on the output of an AC drive as
an isolating disconnect switch or motor overload device. These
devices are designed to operate on sine-wave voltage and the drive's
PWM waveform does not allow it to operate properly. As a result,
damage to the device occurs.
Table 5 - Control Power Circuit-protection Specifications
Cat. No.
Fuse (Bussman)
Cat. No
Miniature CB
Cat. No.
2198-E1004-ERS
KTK-R-2 (2 A)
1489-M2D0102198-E1007-ERS
2198-E1015-ERS
2198-E1020-ERS 1489-M2D020
2198-E2030-ERS 1489-M2D010
2198-E2055-ERS
KTK-R-3 (3 A) 1489-M2D016
2198-E2075-ERS
2198-E2150-ERS KTK-R-5 (5 A) 1489-M2D030
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