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5

Instruction Booklet 

IB157001EN

Effective May 2015

Fixed capacitor banks (Unipump, Unipak, and Unipak 

detuned filter) low voltage (600 V and below), NEMA 1 

NEMA 3R (outdoor) enclosed versions 

EATON

 www.eaton.com

Table 6.  Unipak capacitor bank lug sizes

240 V

480 V

600 V

kVAR

Phase wire 

lug size (AWG)

Ground wire 

lug size (AWG)

kVAR

Phase wire 

lug size (AWG)

Ground wire 

lug size (AWG)

kVAR

Phase wire 

lug size (AWG)

Ground wire 

lug size (AWG)

1

10–18

2–14

1

10–18

2–14

5

10–18

2–14

1.5

10–18

2–14

2

10–18

2–14

7.5

10–18

2–14

2

10–18

2–14

2.5

10–18

2–14

10

10–18

2–14

2.5

10–18

2–14

3

10–18

2–14

12.5

10–18

2–14

3

10–18

2–14

4

10–18

2–14

15

2–14

2–14

4

10–18

2–14

5

10–18

2–14

17.5

2–14

2–14

5

2–14

2–14

6

10–18

2–14

20

2–14

2–14

6

2–14

2–14

7.5

10–18

2–14

22.5

2–14

2–14

7.5

2–14

2–14

8

10–18

2–14

25

2–14

2–14

8

2–14

2–14

9

10–18

2–14

27.5

2–14

2–14

10

2–14

2–14

10

10–18

2–14

30

2–14

2–14

12.5

2–14

2–14

12.5

2–14

2–14

32.5

2–14

2–14

15

2–14

2–14

15

2–14

2–14

35

2–14

2–14

17.5

2–14

2–14

17.5

2–14

2–14

37.5

2–14

2–14

20

2–14

2–14

20

2–14

2–14

40

2–14

2–14

22.5

2–14

2–14

22.5

2–14

2–14

42.5

2–14

2–14

25

2–14

2–14

25

2–14

2–14

45

2–14

2–14

27.5

2–14

2–14

27.5

2–14

2–14

50

2–14

2–14

30

14–2/0

2–14

30

2–14

2–14

55

2–14

2–14

32.5

14–2/0

2–14

32.5

2–14

2–14

60

2–14

2–14

35

14–2/0

2–14

35

2–14

2–14

65

14–2/0

2–14

37.5

6–250 kcmil

2–14

37.5

2–14

2–14

70

14–2/0

2–14

40

6–250 kcmil

2–14

40

2–14

2–14

75

14–2/0

2–14

42.5

6–250 kcmil

2–14

42.5

2–14

2–14

80

14–2/0

2–14

45

6–250 kcmil

2–14

45

2–14

2–14

85

14–2/0

2–14

50

6–250 kcmil

2–14

50

2–14

2–14

90

14–2/0

2–14

60

6–250 kcmil

2–14

55

14–2/0

2–14

100

6–250 kcmil

2–14

70

4–500 kcmil

14–2/0

60

14–2/0

2–14

120

4–500 kcmil

14–2/0

75

4–500 kcmil

14–2/0

65

14–2/0

2–14

125

4–500 kcmil

14–2/0

80

4–500 kcmil

14–2/0

70

14–2/0

2–14

140

4–500 kcmil

14–2/0

90

4–500 kcmil

14–2/0

75

14–2/0

2–14

150

4–500 kcmil

14–2/0

100

4–500 kcmil

14–2/0

80

6–250 kcmil

2–14

160

4–500 kcmil

14–2/0

120

4–500 kcmil

14–2/0

85

6–250 kcmil

2–14

180

4–500 kcmil

14–2/0

140

4–500 kcmil

14–2/0

90

6–250 kcmil

2–14

200

4–500 kcmil

14–2/0

150

4–500 kcmil

14–2/0

100

6–250 kcmil

2–14

225

4–500 kcmil

14–2/0

160

4–500 kcmil

14–2/0

120

4–500 kcmil

2–14

250

4–500 kcmil

14–2/0

180

4–500 kcmil

14–2/0

125

4–500 kcmil

14–2/0

300

4–500 kcmil

14–2/0

200

4–500 kcmil

14–2/0

140

4–500 kcmil

14–2/0

350

4–500 kcmil

14–2/0

150

4–500 kcmil

14–2/0

400

4–500 kcmil

14–2/0

160

4–500 kcmil

14–2/0

180

4–500 kcmil

14–2/0

200

4–500 kcmil

14–2/0

225

4–500 kcmil

14–2/0

250

4–500 kcmil

14–2/0

300

4–500 kcmil

14–2/0

350

4–500 kcmil

14–2/0

400

4–500 kcmil

14–2/0

Summary of Contents for NEMA 1

Page 1: ...recautions 2 Catalog numbering systems 2 Receiving 3 Installation 3 Preparation for installation 3 Installation locations 3 Installation procedures 3 Post installation evaluation 4 Installation instructions for Unipak detuned filter 4 Electrical connections 7 Startup and commissioning 7 Alternate system voltage and frequencies 7 Operating features 8 Maintenance 8 Retorque 8 Troubleshooting 9 Gener...

Page 2: ...al energy indefinitely unless properly discharged Each capacitor is fitted with a discharge resistor designed to reduce the residual voltage in the capacitor to 50 V or less after a minute Follow all caution and warning nameplates before attempting to install operate or service the capacitor bank Before handling the capacitor disconnect all and any electrical power supply from the circuit into whi...

Page 3: ... ends Inspect the discharge resistors for any marks of damage or cracks and that they are seated and intact in the terminal If any signs of loose or cracked discharge resistor is noticed stop and do not proceed with the installation and immediately notify your nearest Eaton sales person for further instructions Mechanically secure the capacitor bank to either the wall or the floor using anchor fas...

Page 4: ...propylene with pressure interrupter Number of enclosures 2 2 a Units are designed for 60 Hz operation Consult factory for other frequencies Mechanical installation instructions for Unipak filter Reactor enclosure shall be positioned and mechanically secured next to the capacitor enclosure with a minimum 9 inch separation minimum 12 inch separation preferred between the two enclosures to allow for ...

Page 5: ... 14 2 0 2 14 30 2 14 2 14 55 2 14 2 14 32 5 14 2 0 2 14 32 5 2 14 2 14 60 2 14 2 14 35 14 2 0 2 14 35 2 14 2 14 65 14 2 0 2 14 37 5 6 250 kcmil 2 14 37 5 2 14 2 14 70 14 2 0 2 14 40 6 250 kcmil 2 14 40 2 14 2 14 75 14 2 0 2 14 42 5 6 250 kcmil 2 14 42 5 2 14 2 14 80 14 2 0 2 14 45 6 250 kcmil 2 14 45 2 14 2 14 85 14 2 0 2 14 50 6 250 kcmil 2 14 50 2 14 2 14 90 14 2 0 2 14 60 6 250 kcmil 2 14 55 14...

Page 6: ...Reactor enclosure F c F c Three phase reactor Customer interconnect terminals provided with Unipak detuned filter Ground terminal Ground terminal Bonding conductor Connection conductors and conduit provided by customer Same size as incoming conductors Customer termination terminals provided Reactor thermal switches embedded in windings normally closed Note 6 inch minimum clearance on reactor top a...

Page 7: ...ay be required to determine if the leading power factor and associated voltage rise during light load conditions are acceptable When capacitors are connected to the bus feeder motor control center or switchboard a disconnect and overcurrent protection must be provided Startup and commissioning Connect power to the capacitor bank energize through upstream switch Using an ammeter measure capacitor c...

Page 8: ...ermal overload and cleared fuse indicator lamps Maintenance The following maintenance items require the capacitor to be energized and should be performed only by trained and qualified personnel m WARNING ONLY QUALIFIED ELECTRICIANS SHOULD HANDLE THE INSTALLATION AND MAINTENANCE OF THIS CAPACITOR BANK OTHERWISE ELECTRIC SHOCK ARC FLASH OR FIRE MAY OCCUR Retorque Before handling the capacitor discon...

Page 9: ...rent in each capacitor phase and verify that it is within 10 of current rating stated on the nameplate Troubleshooting Symptom Problem Solution Cleared fuse indicator lamp lit Cleared fuse Disconnect power supply to the capacitor bank Wait at least five minutes before opening the capacitor bank cover Locate the blown fuse and its associated capacitor cell s Inspect the cells for bulging or other i...

Page 10: ... type fuses with 200 000 A interrupting capacity fuses mounted on stand off bushings solderless connectors for easy hookup of incoming line conductors Fuse indicating lights Red neon cleared fuse indicating lights are protected by transparent weatherproof guard Options Non fused units available selected sizes Heavy duty capacitor cells selected sizes Reactors Unipak detuned filter only Detuning St...

Page 11: ...1 Instruction Booklet IB157001EN Effective May 2015 Fixed capacitor banks Unipump Unipak and Unipak detuned filter low voltage 600 V and below NEMA 1 NEMA 3R outdoor enclosed versions EATON www eaton com ...

Page 12: ...ed trademark All other trademarks are property of their respective owners Fixed capacitor banks Unipump Unipak and Unipak detuned filter low voltage 600 V and below NEMA 1 NEMA 3R outdoor enclosed versions Instruction Booklet IB157001EN Effective May 2015 For technical support and application engineering assistance please contact Eaton s TRC at 1 800 809 2772 option 4 option 2 ...

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