Purpose; Safety Features - Eaton Magnum Air MWN-408 User Manual

Magnum
MAGNUM CIRCUIT BREAKERS SHOULD NOT
UNDER ANY CIRCUMSTANCES BE APPLIED
OUTSIDE THEIR NAMEPLATE RATINGS.
OPERATION OUTSIDE OF THESE RATINGS COULD
RESULT IN DEATH, BODILY INJURY OR PROPERTY
DAMAGE.
1.2

Purpose

.
This instruction manual is expressly intended to cover the
installation, operation and maintenance of Magnum Air
Circuit Breakers. These circuit breakers may be supplied
as part of complete switchboard assemblies or as
separate components. This manual applies only to the
circuit breaker and (if drawout) it's mating cassette.
Magnum circuit breakers may also be supplied as fixed
mounted devices. In the case of fixed versions of
Magnum circuit breakers, certain sections of this manual,
referring to such items as position interlocks and the
drawout mechanism, will not apply.
Trip units associated with Magnum Air Circuit Breakers
will be addressed in a general manner in this manual.
Specific trip unit details and time-current characteristic
curves are covered in separate documents specific to the
trip units.
Magnum circuit breaker accessory items are discussed
briefly in this manual. Field installation instructions for
such items, however, are covered in individual instruction
leaflets specific to the accessory. This information is also
available from the Eaton website at
www.eatonelectrical.com
For application information, consult Eaton or see
applicable Product Guides, Technical Documents,
Application Publications and/or Industry Standards.
SAFETY
All safety codes, safety standards and/or regulations must
be strictly observed in the installation, operation and
maintenance of this equipment.
6
WARNING
THE WARNINGS AND CAUTIONS INCLUDED AS
PART OF THE PROCEDURAL STEPS IN THIS
MANUAL ARE FOR PERSONNEL SAFETY AND
PROTECTION OF EQUIPMENT FROM DAMAGE. AN
EXAMPLE OF A TYPICAL WARNING LABEL
HEADING IS SHOWN ABOVE TO FAMILIARIZE
PERSONNEL WITH THE STYLE OF PRESENTATION.
THIS WILL HELP TO INSURE THAT PERSONNEL
ARE ALERT TO WARNINGS. IN ADDITION,
CAUTIONS ARE ALL UPPER CASE AND BOLDFACE.
1.3

Safety features

Magnum circuit breakers and associated drawout
equipment are manufactured with built-in interlocks and
safety related features. They are provided to reduce
hazards to operating personnel and provide proper
operating sequences.
WARNING
1812.900A