2 S&C Instruction Sheet 466-500
Introduction
WARNING
Only qualified persons who are knowledgeable in the installation, operation, and maintenance
of distribution fusing equipment, along with all associated hazards, may install, operate, and
maintain the equipment covered by this publication . A qualified person is someone who is
trained and competent in:
• The skills and techniques necessary to distinguish exposed live parts from nonlive parts
of electrical equipment
• The skills and techniques necessary to determine the proper approach distances
corresponding to the voltages to which the qualified person will be exposed
• The proper use of special precautionary techniques, personal protective equipment,
insulating and shielding materials, and insulated tools for working on or near exposed
energized parts of electrical equipment
These instructions are intended ONLY for such qualified persons . They are not intended to
be a substitute for adequate training and experience in safety procedures for this type of
equipment .
NOTICE
Thoroughly and carefully read this instruction sheet before installing or operating a
VacuFuse II Self-Resetting Interrupter . Become familiar with the Safety Information and
Safety Precautions on pages 5 through 7 . The latest version of this publication is available
online in PDF format at
sandc�com/en/support/product-literature/ .
This instruction sheet is a permanent part of the VacuFuse II Self-Resetting Interrupter. Designate
a location where users can easily retrieve and refer to this publication.
WARNING
The VacuFuse II Self-Resetting Interrupter is only intended for the protection of distribution
transformers . The application must be within the ratings furnished for the equipment . Ratings
for the VacuFuse II Self-Resetting Interrupter are listed in the ratings table in Specification
Bulletin 466-31 . They are also etched on the body of the interrupter .
Qualified
Persons
Read this
Instruction
Sheet
Retain this
Instruction
Sheet
Proper
Application
