5
Instruction Booklet
IB01900004E
Effective July 2016
Magnum breaker remote
racking device (MRR1000)
EATON
www.eaton.com
Section 2: Safe practices for power
circuit breakers
The Magnum DS family of power circuit breakers are equipped with
high speed, stored energy operating mechanisms . They are designed
with several built-in interlocks and safety features to provide safe and
proper operating sequences .
m
WARNING
TO PROTECT THE PERSONNEL ASSOCIATED WITH INSTALLATION,
OPERATION, AND MAINTENANCE OF THESE BREAKERS, THE FOLLOWING
PRACTICES MUST BE FOLLOWED:
• ONLY QUALIFIED PERSONS, AS DEFINED IN THE NATIONAL ELECTRICAL
SAFETY CODE, WHO ARE FAMILIAR WITH THE INSTALLATION AND
MAINTENANCE OF LOW-VOLTAGE CIRCUITS AND EQUIPMENT, SHOULD
BE PERMITTED TO WORK ON THESE BREAKERS.
• ALWAYS REMOVE THE BREAKER FROM THE ENCLOSURE BEFORE
PERFORMING ANY MAINTENANCE. FAILURE TO DO SO COULD RESULT
IN ELECTRICAL SHOCK LEADING TO DEATH, SEVERE PERSONNEL
INJURY, OR PROPERTY DAMAGE.
• DO NOT WORK ON A CLOSED BREAKER OR A BREAKER WITH CLOSING
SPRINGS CHARGED. THE CLOSING SPRING SHOULD BE DISCHARGED
AND THE MAIN CONTACTS OPEN BEFORE WORKING ON THE BREAKER.
FAILURE TO DO SO COULD RESULT IN CUTTING OR CRUSHING INJURIES.
• BREAKERS ARE EQUIPPED WITH SAFETY INTERLOCKS. DO NOT DEFEAT
THEM. THIS MAY RESULT IN DEATH, BODILY INJURY, OR EQUIPMENT
DAMAGE.
NOTICE
FOR COMPLETE INSTRUCTIONS ON INSTALLATION, OPERATION AND
MAINTENANCE OF THE MAGNUM DS FAMILY OF CIRCUIT BREAKERS,
REFER TO THE PUBLICATIONS LISTED IN SECTION 7 OF THIS DOCUMENT.
Section 3: Receiving, handling, and storage
Magnum remote racking device (MRR1000) units are subjected
to complete factory production tests and inspection before being
packed . They are shipped in containers designed to provide
maximum protection to the equipment during shipment and
storage and at the same time to provide convenient handling .
3.1 Receiving
Until the MRR1000 unit is ready to be delivered to the point of use,
do not remove it from the shipping box . If the unit is to be placed
in storage for an extended period, maximum protection can be
obtained by keeping it in its box .
Upon receipt of the equipment, inspect the box for any signs of
damage or rough handling . Open the box carefully to avoid any
damage to the contents . Use care when using a box cutter or similar
sharp object so as not to damage contents . The AC power cord and
remote pendant control cord can be damaged by a sharp object .
When opening the container, be careful that any loose items or
hardware are not discarded with the packing material . Check the
contents of each package against the packing list .
Examine the MRR1000 unit for any signs of shipping damage
such as broken, missing or loose hardware, damaged or deformed
components . File claims immediately with the carrier if damage or
loss is detected and notify the nearest Eaton’s Electrical Services &
Systems office .
3.2 Handling
The MRR1000 unit shipping containers are not designed to be
handled by a fork lift truck . If containers must be moved for any
significant distance, it is suggested to use a suitable dolly or hand
truck to move the approximately 40 lb (18 kg) package .
3.3 Storage
Because of electric circuits inside the unit, as well as moving parts,
it is essential to keep the remote racking device dry at all times .
If exposed to water or rain, performance of the device cannot be
guaranteed and will void the warranty . If the unit is to be placed
in storage, attention should be given to keeping the unit in a low
humidity environment . Ensure the unit is free from damage and is
satisfactory operating condition prior to storage .
3.4 MRR1000 approximate weights
Unit type
Weight in lb (kg)
MRR1000 breaker mounting unit
33 (15)
MRR1000 packaged for shipment
40 (18)
