Rockwell Automation Publication 520-UM001K-EN-E - August 2021 23
Chapter 1 Installation/Wiring
Bulletin 140M (Self-Protected Combination Controller)/UL489 Circuit Breakers
When using Bulletin 140M or UL489 rated circuit breakers, the guidelines
listed below must be followed in order to meet the NEC requirements for
branch circuit protection.
• Bulletin 140M can be used in single motor applications.
• Bulletin 140M can be used up stream from the drive without the need for
fuses.
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