Eaton NR Installation And Operation Instructions Manual

Also see for COOPER POWER SERIES: Installation and operation instructions Installation instructions Installation instructions Installation and operation instructions Operation instructions

Contents

Eaton NR Installation And Operation Instructions Manual Manual pdf 5 page image

1Type NR o il s w itch installation a n d o p e r a t ion instru c t ions INSTALLATION AND OPERATION INSTRUCTIONS MN230008EN November 2016Product informationIntroductionService Information MN230008EN provides installationinstructions, operation information and testing proceduresfor the Type NR oil switch.The information contained in this manual is organizedinto the following major categories; Safety Information,Product Information, Ratings and Specifications, InstallationProcedure, Switch Operation, Dimensions and Weights, andMaintenance Information. Refer to the Table of Contents forpage numbers.Read this manual firstRead and understand the contents of this manual and followall locally approved procedures and safety practices beforeinstalling or operating this equipment.Additional informationThese instructions cannot cover all details or variationsin the equipment, procedures, or process described, norprovide directions for meeting every possible contingencyduring installation, operation, or maintenance. Whenadditional information is desired to satisfy a problem notcovered sufficiently for the user’s purpose, please contactyour Eaton’s Cooper Power series product representative.Acceptance and initial inspectionEach switch is completely assembled, inspected, tested andadjusted at the factory and is filled to the correct level withinsulating oil. It is in good condition when accepted by thecarrier for shipment. Upon receipt of a switch:1. Inspect the switch thoroughly for damage and loss ofparts or oil incurred during shipment. If damage or lossis discovered, file a claim with the carrier immediately.2. Check for oil leakage and tighten all bolts that may haveloosened during shipment, especially the bolts attachingthe head to the tank.Handling and storageIf the switch is to be stored for an appreciable time beforeinstallation, provide a clean, dry storage area. Locate theswitch so as to minimize the possibility of mechanicaldamage, particularly to the bushings.Description of operationThe Type NR oil switch is a single-phase device for use ondistribution circuits. Compact design makes this switch idealfor use on capacitor banks, especially pole-top installations.This switch is electrically operated and can be controlled bytime switches, voltage- or current-sensitive control devices,or by single-pole, double-throw switches. An operatinghandle, which also serves as a contact position indicator,is provided for manually opening and closing the switch.WARNINGNever manually close this switch into a faulted line Themake-and-latch rating of the switch applies only whenit is electrically operated Closing a switch manually ona faulted line can result in death, severe personal injury,and equipment damage G127 0Check switch ratings prior to installationThe switch must be applied within its specified ratings.Check data plate ratings and compare with the systemcharacteristics at the point of application, prior toinstallation. Tables 1 and 2 list the specifications and ratingsfor the Type NR oil switch.Quality standardsISO 9001 Certified Quality Management System