background image

2

Type NR oil switch installation and operation instructions

INSTALLATION AND OPERATION INSTRUCTIONS

   MN230008EN   November 2016

Ratings and specifications

Table 1 .  Electrical data (control)

Description

Rating

Nominal operating voltage (50/60 Hz only) (Vac)

120

240

Operating voltage range (Vac)

95 – 130

190 – 260

Closing-motor current (amp)

1.9

.7

Switch response time, opening (sec)

4.0

4.0

Switch response time, closing (sec)

0.5

0.5

Table 2 .  Voltage and current ratings

Description

Standard

15 kV with  

17" creepage

15 kV with 

125 kV BIL

22 kV

Maximum Design Voltage, kV 

15.0

15.0

15.0

22.0

Nominal Operating Voltage, kV

2.4-14.4

2.4-14.4

2.4-14.4

20.0

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 (inductive), symmetric Amps
     75-100% power factor
     50-75% power factor
     < 50% power factor

200
100
50A

200
100
100A

200
100
50A

60
60
60

Maximum capacitive current, amps (parallel bank-max)

200

200

200*

60*

 

High frequency transient current, Amps

12000

12000

12000

12000

 

Transient frequency, Hz

6000

6000

6000

6000

 

High frequency damping factor 

.40 -.55

.40 -.55

.40 -.55

.40 -.55

Momentary rating, Amps asym.

9000

9000

9000

9000

Short time current Amps
     1/2 second,sym.
     1 second, sym.

6000
4500

6000
4500

6000
4500

6000
4500

Close and latch rating, Amps asym.

9000

9000

9000

9000

*The 125 kV BIL switch and the 22.0 kV switch are rated for single bank switching only.

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...

Reviews: