Sailer Manual HPVFE Sailer Manual HPVFE
12
Fuses and Circuit Breakers
The HPVFE does not provide branch short circuit protection. This product should be installed with
either input fuses or an input circuit breaker. National and local industrial safety regulations and/or
electrical codes may determine additional requirements for these installations.
ATTENTION: To guard against personal injury and/or equipment damage caused by improper fusing
or circuit breaker selection, use only the recommended line fuses/circuit breakers specified in this
section.
Fusing
The HPVFE has been UL tested and approved for use with input fuses. The ratings in the table that
follows are the maximum recommended values for use with each drive rating. The devices listed in this
table are provided to serve as a guide.
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 and group motor applications.
•Bulletin 140M can be used upstream from the drive without the need for fuses.
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