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New generation IZM97, 99 low voltage air circuit breaker instruction manual
MN013010EN February 2020 www.eaton.com.cn
Instruction Manual MN013010SC
Purpose
This instruction booklet is expressly intended to cover the
installation, operation, and maintenance of IZM9 air circuit
breakers. These circuit breakers may be supplied as part of
complete switchboard assemblies or as separate compo-
nents. This booklet applies only to the circuit breaker and
(if drawout) its mating cassette. In the case of fixed circuit
breakers, certain sections of this leaflet, referring to such
items as position interlocks and the drawout mechanism,
will not apply.
Trip units associated with the air circuit breakers will be
addressed in a general manner in this leaflet. Specific trip
unit details and time-current characteristic curves are cov-
ered in separate documents specific to the trip units.
For application information, consult Eaton or see applica-
ble Product Guides, Technical Documents, and Industry
Standards.
Safety
All safety codes, safety standards, and/or regulations must
be strictly observed in the installation, operation, and main-
tenance of this equipment.
WARNING
The warnings and cautions included as part of the pro-
cedural steps in this leaflet are for personnel safety and
protection of equipment from damage. An example of a
typical warning label heading is shown above to famil-
iarize personnel with the style of presentation. This will
help to ensure that personnel are alert to warnings. In
addition, cautions are all uppercase and boldface.
All possible contingencies that may arise during installation
operation or maintenance, and all details and variations
of this equipment, do not purport to be covered by these
instructions. If further information is desired by purchaser
regarding particular installation, operation, or maintenance of
particular equipment, contact the local Eaton representative.