The instructions in this manual are not intended as a
substitute for proper training or adequate experience
in the safe operation of the equipment described.
Only competent technicians who are familiar with this
equipment should install, operate, and service it.
A competent technician has these qualifications:
• Is thoroughly familiar with these instructions.
• Is trained in industry-accepted high and low-voltage safe
operating practices and procedures.
• Is trained and authorized to energize, de-energize, clear,
and ground power distribution equipment.
• Is trained in the care and use of protective equipment
such as flash clothing, safety glasses, face shield, hard
hat, rubber gloves, clampstick, hotstick, etc.
Following is important safety information. For safe
installation and operation of this equipment, be sure to
read and understand all cautions and warnings.
Safety instructions
Following are general caution and warning statements that
apply to this equipment. Additional statements, related to
specific tasks and procedures, are located throughout the
manual.
Safety for life
!
SAFETY
FOR LIFE
!
SAFETY
FOR LIFE
Eaton meets or exceeds all applicable industry standards relating to product safety in its Cooper Power™ series products.
We actively promote safe practices in the use and maintenance of our products through our service literature, instructional
training programs, and the continuous efforts of all Eaton employees involved in product design, manufacture, marketing,
and service.
We strongly urge that you always follow all locally approved safety procedures and safety instructions when working around
high voltage lines and equipment, and support our “Safety For Life” mission.
Safety information
DANGER
Hazardous voltage. Contact with hazardous voltage
will cause death or severe personal injury. Follow all
locally approved safety procedures when working
around high- and low-voltage lines and equipment.
G103.3
This manual may contain four types of hazard statements:
DANGER
Indicates a hazardous situation which, if not avoided,
will result in death or serious injury.
WARNING
Indicates a hazardous situation which, if not avoided,
could result in death or serious injury.
CAUTION
Indicates a hazardous situation which, if not avoided,
could result in minor or moderate injury.
CAUTION
Indicates a potentially hazardous situation which, if not
avoided, may result in equipment damage only.
Hazard Statement Definitions
WARNING
Before installing, operating, maintaining, or testing this
equipment, carefully read and understand the contents
of this manual. Improper operation, handling or
maintenance can result in death, severe personal injury,
and equipment damage.
G101.0
WARNING
This equipment is not intended to protect human
life. Follow all locally approved procedures and safety
practices when installing or operating this equipment.
Failure to comply can result in death, severe personal
injury and equipment damage.
G102.1
WARNING
Power distribution and transmission equipment must
be properly selected for the intended application. It
must be installed and serviced by competent personnel
who have been trained and understand proper safety
procedures. These instructions are written for such
personnel and are not a substitute for adequate
training and experience in safety procedures. Failure to
properly select, install or maintain power distribution
and transmission equipment can result in death, severe
personal injury, and equipment damage.
G122.3
iv
COMPANION II BACK-UP CURRENT-LIMITING FUSE INSTALLATION INSTRUCTIONS
MN132009EN
