2
Instructional Booklet
IB013003EN
Effective June 2023
Instructions for installation, operation,
and maintenance of Magnum MR2
(integral racking)
EATON
www.eaton.com
Notices and warnings
m
NOTICE
ALL USERS OF THIS PRODUCT SHOULD READ AND FOLLOW THE
INSTRUCTIONS PROVIDED HEREIN; HOWEVER, THIS INSTRUCTION BOOK
SHOULD NOT BE CONSIDERED ALL INCLUSIVE REGARDING INSTALLATION
OR MAINTENANCE PROCEDURES. IF FURTHER INFORMATION IS
REQUIRED, YOU SHOULD CONSULT EATON’S ELECTRICAL SERVICES &
SYSTEMS.
READ AND UNDERSTAND THIS AND OTHER SUPPLIED INSTRUCTIONS
AND DRAWINGS IN THEIR ENTIRETY BEFORE INSTALLING OR OPERATING
THIS DEVICE. ADJUSTMENT, REPAIR OR MAINTENANCE, OTHER THAN
THOSE DESCRIBED HEREIN, MUST BE PERFORMED BY QUALIFIED
PERSONNEL. A QUALIFIED PERSON IS ONE WHO IS FAMILIAR WITH
THE CONSTRUCTION AND OPERATION OF THIS EQUIPMENT AND THE
HAZARDS INVOLVED.
m
WARNING
IMPROPER USE OR MAINTENANCE OF THIS PRODUCT, OR OPERATING
IT IN A MANNER FOR WHICH IT WAS NOT INTENDED, MAY RESULT IN
DEATH, SERIOUS PERSONAL INJURY, OR PROPERTY DAMAGE.
READ AND UNDERSTAND THESE INSTRUCTIONS BEFORE ATTEMPTING
ANY OPERATION OR MAINTENANCE OF THE CIRCUIT BREAKERS OR
AUXILIARIES TO BE OPERATED BY THIS DEVICE.
ALL SAFETY CODES, SAFETY STANDARDS, AND/OR REGULATIONS AS
THEY MAY BE APPLIED TO THIS TYPE OF EQUIPMENT MUST BE STRICTLY
ADHERED TO.
m
NOTICE
THE DANGER, WARNING, AND CAUTION MESSAGES INCLUDED AS A
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
THIS PARAGRAPH TO FAMILIARIZE PERSONNEL WITH THIS TYPE OF
PRESENTATION. THIS WILL HELP ASSURE THAT PERSONNEL ARE ALERT
TO THESE TYPES OF MESSAGES. IN ADDITION, THESE MESSAGES ARE
ALL UPPERCASE AND BOLDFACE.
All possible contingencies which may arise during installation,
operation, or maintenance, and all details and variations of this
equipment are not encompassed by these instructions . If further
information is desired by the purchaser regarding particular
installation, operation, or maintenance of particular equipment,
contact an Eaton sales or service representative .
m
DANGER
WHEN SWITCHGEAR IS CERTIFIED TO BE ARC-RESISTANT PER
ANSI/IEEE
®
STD. C37.20.7, THE ARC-RESISTANT RATING IS ONLY VALID
WHEN ALL DOORS ARE CLOSED AND PROPERLY LATCHED OR BOLTED,
AND ALL COMPONENTS ARE INSTALLED AND WORKING PROPERLY.
IN ADDITION, REMOVAL OF ANY BREAKER FROM ITS CELL WITHOUT
REINSTALLING A BREAKER OR ARC-RESISTANT PROVISION COVER WILL
VOID THE ARC-RESISTANT RATING.
Eaton contact information
Eaton provides technical support for the Magnum PXR and Power
Defense SB circuit breakers and trip units . You can contact us via
several methods . This link: www .eaton .com/eatoncare will take you
to the on-line portal where you can contact Technical Support via
phone, e-mail, or view FAQs .
For support via phone, you can call EatonCare at 877-ETN-CARE
(877-386-2273) and navigate the menu by selecting:
•
Option 2 for the Technical Resource Center
•
Option 2 for Circuit Protection Products
•
Option 3 for Low-voltage and Medium-voltage Power Circuit
Breakers
Eaton Electrical Services and Systems (EESS) can be reached at
1-800-498-2678 .
If further information is desired regarding this particular installation
or application information, contact the local Eaton sales office,
reference the equipment documentation, or the appropriate industry
standards .