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Type NR oil switch installation and operation instructions

INSTALLATION AND OPERATION INSTRUCTIONS

   MN230008EN   November 2016

Maintenance information 

 CAUTION 

This equipment requires routine inspection and 

maintenance to ensure proper operation If it is not 

maintained, it can fail to operate properly . Improper 

operation can cause equipment damage and possible 
personal injury . 

G105 .1

 CAUTION 

This equipment relies on dielectric fluid to provide 

electrical insulation between components . The dielectric 

strength of the fluid must be checked on a regular basis, 

as part of the routine maintenance inspection, to ensure 

that it is at or above minimum dielectric requirements . 

Use of this equipment with dielectric fluid that does not 

meet minimum requirements can result in internal 

flashovers that will damage the equipment and can 
cause personal injury . 

G107 .3

Maintenance requirements

All Type NR oil switches require routine inspection and 

maintenance to ensure proper operation. If the equipment  

is not adequately maintained, it may fail to operate properly.

Maintenance manual

Maintenance instructions for Type NR oil switch is provided 

in 

Service Information MN230001EN. Reference TD280022EN

 

provides information on oil specifications and tests.

Frequency of maintenance

Because this switch is applied under widely varying 

operating and climatic conditions, maintenance intervals 

are best determined by the user based on actual operating 

experience. Eaton recommends that the switch be 

inspected yearly and serviced as needed. In no case should 

the service interval, between periodic maintenance and 

inspection extend beyond 1200 operations.

Replacement parts

Replacement parts for the Type NR oil switch are available 

through the factory Service Department. To order 

replacement parts, refer to the applicable maintenance 

manual. Contact your Eaton’s Cooper Power series 

product representative for additional information and 

ordering procedures.

Factory authorized service centers

Factory authorized service centers are located throughout 

the continental United States to provide maintenance, 

repair, and testing services for Type NR oil switches. For 

further information, contact your Eaton’s Cooper Power 

series product representative.

Summary of Contents for NR

Page 1: ...Type NR oil switch installation and operation instructions COOPER POWER SERIES Oil Switches MN230008EN Effective November 2016 Supersedes October 2013 S260 20 1...

Page 2: ...ICULAR PURPOSE OR MERCHANTABILITY OTHER THAN THOSE SPECIFICALLY SET OUT IN ANY EXISTING CONTRACT BETWEEN THE PARTIES ANY SUCH CONTRACT STATES THE ENTIRE OBLIGATION OF EATON THE CONTENTS OF THIS DOCUME...

Page 3: ...d storage 1 Description of operation 1 Check switch ratings prior to installation 1 Quality standards 1 RATINGS AND SPECIFICATIONS 2 INSTALLATION PROCEDURE 3 Check out procedure 3 Main wiring 3 Contro...

Page 4: ...en working around high voltage lines and equipment and support our Safety For Life mission Safety information DANGER Hazardous voltage Contact with hazardous voltage will cause death or severe persona...

Page 5: ...ch 1 Inspect the switch thoroughly for damage and loss of parts or oil incurred during shipment If damage or loss is discovered file a claim with the carrier immediately 2 Check for oil leakage and ti...

Page 6: ...Basic Insulation Level BIL kV 95 95 125 125 60 Hertz withstand voltage kV Dry one minute Wet ten seconds 35 30 35 30 42 36 60 50 Continuous current rating Amps 200 200 200 60 Load interrupting ability...

Page 7: ...eration CLOSE and OPEN the switch contacts manually using the yellow operating handle Confirm that the contacts have closed and opened by listening for the sound of operation or by a continuity check...

Page 8: ...n diagram for a standard three wire control is shown in Figure 2 NOTE G Ground 2 Close 3 Open MOTOR 0 1 G 2 3 4 Black Red AC White DC Black AC Black DC Red SEL SW NO MO C NC A B C Close Recaptacle ACC...

Page 9: ...cally by applying rated control voltage to the proper terminals of the actuator terminal block If the switch actuator does not respond to an electrical operating signal it may be that the main switch...

Page 10: ...capacity 1 1 2 gal 1 06 OPENING FOR FACTORY WIRED RECEPTACLE 44 HOLES 4 1 5 4 75 1 25 10 75 1 25 5 5 22 38 4 5 8 25 2 75 13 88 5 62 7 12 1 38 HOLE 8 0 2 0 14 25 7 88 8 SOLID TO 2 0 STRD BUSHING TERMI...

Page 11: ...maintained it may fail to operate properly Maintenance manual Maintenance instructions for Type NR oil switch is provided in Service Information MN230001EN Reference TD280022EN provides information on...

Page 12: ...188 United States Eaton com cooperpowerseries 2016 Eaton All Rights Reserved Publication No MN230008EN November 2016 SAFETY FOR LIFE Eaton is a registered trademark All trademarks are property of thei...

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