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Operating Manual for Series NRX
Digitrip Trip Units 1150 / 1150i
4
EATON
www.eaton.com
Effective September 2013
Instructional Leaflet IL01301064E
•
WARNING
DANGEROUS ELECTRICAL VOLTAGE!
DO NOT ATTEMPT TO INSTALL OR PERFORM MAINTENANCE ON
EQUIPMENT WHILE IT IS ENERGIZED. DEATH OR SEVERE INJURY CAN
RESULT FROM CONTACT WITH ENERGIZED EQUIPMENT. ALWAYS
VERIFY THAT NO VOLTAGE IS PRESENT BEFORE PROCEEDING.
ALWAYS FOLLOW SAFETY PROCEDURES. EATON IS NOT LIABLE FOR
MISAPPLICATION OR MISINSTALLATION OF ITS PRODUCTS.
Before commencing any installation
• Disconnect the power supply of the device
• Ensure that devices cannot be accidentally closed or
powered up
• Verify isolation from the supply, Earth, and short circuit
• Cover or enclose neighboring units that are live
• Danger if circuit breaker mechanism spring is charged!
• Discharge spring
• Follow the engineering instructions of the device concerned
• Only suitably qualified personnel in accordance with
applicable national work safety regulations may work on this
device/system
• Before installation and before touching the device ensure
that you are free of electrostatic charge
• Connecting cables and signal lines should be installed so
that inductive or capacitive interference do not impair the
automation functions
• Suitable safety hardware and software measures should
be implemented for the I/O interface so that a line or wire
breakage on the signal side does not result in undefined
states in the automation devices and create an unwanted
action in the circuit breaker
•
WARNING
OBSERVE ALL RECOMMENDATIONS, NOTES, CAUTIONS, AND
WARNINGS RELATED TO THE SAFETY OF PERSONNEL AND
EQUIPMENT. OBSERVE AND COMPLY WITH ALL GENERAL AND
LOCAL HEALTH AND SAFETY LAWS, CODES, AND PROCEDURES.
• Deviation of the mains voltage from the rated value
must not exceed the tolerance limits given in the
specifications, otherwise this may cause malfunction and
dangerous operation
• Emergency stop devices complying with IEC 60204-
1, EN 60204-1 must be in all operating modes of the
automation devices. Unlatching the emergency-stop
devices must not cause restart
• The electrical installation must be carried out in
accordance with the relevant regulations (e.g. with
regard to cable cross section size, fuses, and earthing
(PE)
• All work relating to transport, installation, commissioning
and maintenance must be carried out by qualified
personnel in accordance with applicable national work
safety regulations
Note:
The recommendations and information contained herein are
based on experience and judgement, but should not be considered to
be all inclusive or to cover every application or circumstance that may
arise.
If you have any questions or need further information or
instructions, please contact your local Eaton representative or
visit www.Eaton.com.