2 EATON CORPORATION www.eaton.com
Instruction Leaflet IL0102002E
Effective April 2018
Ring Main Unit Operation Instruction
Dear Customers:
Add optional mark.
Thank you for your purchase of the indoor fixed AC metal enclosed
switchgear (thereafter as SF6 RMU). For correct and safe
operation of this equipment, make sure to read this manual
carefully prior to the installation of the equipment. Please keep the
manual properly after reading, for future reference when
necessary.
The manual is aimed to assist technicians to install, commission,
operate, run and maintain SF6 ring main units (RMU). Users shall
observe proper operating procedures in running the equipment.
The manual has considered the issues as specific as possible
during the installation and usage, but can not cover all the possible
changes concerning the equipment itself and the operating
conditions. In case of any special occurrence, contact the After
Sales Department of Cooper Power System.
The information within the manual is subject to changes without
further notice.
WARNING
THIS IS A SIGN TO INDICATE THAT FAILURE TO FOLLOW THE
OPERATING INSTRUCTIONS MAY CAUSE PERSONAL INJURIES OR LIFE
DANGERS.
CAUTION
THIS IS A SIGN TO INDICATE THAT FAILURE TO FOLLOW THE
INSTRUCTIONS MAY CAUSE DAMAGES TO THE EQUIPMENT.