Accessories and Special Features

Class 3110

Heavy Duty Safety Switch Accessories

Square D by Schneider Electric brand heavy duty safety switches are UL listed for use with the following accessories:

Rainproof Bolt-On Hubs and Water Resistant Hubs

Rainproof Bolt-On Hubs

Rainproof Bolt-On Hubs

  • UL Listed for indoor or rainproof applications

  • Suitable for use with conduit having ANSI standard taper pipe thread

  • NEMA Type 3R switches with catalog number ending in RB have a bolt-on closing cap factory installed

    • Accepts 3/4 in. through 2-1/2 in. bolt-on hubs

    • No gaskets required

  • NEMA Type 3R switches with R suffix have blank top endwalls

    • Accepts 3 in. through 4 in. bolt on hubs

    • Gaskets provided

    • Conduit entry holes must be cut in the field

Rainproof Bolt-On Hubs [1]

Conduit Size

3/4

1

1-1/4

1-1/2

2

2-1/2

3

4

Closing Cap

Hub
Cat. No

B075

B100

B125

B150

B200

B250

B300

B400

BCAP

Water Resistant Hubs

Water Resistant Hubs

  • UL Listed for dusty and wet applications

  • Suitable for use with conduit having ANSI standard taper pipe thread

  • Water resistant hubs are field installed on NEMA Type 4/4X/5 stainless steel and NEMA Type 12/3R and 12K enclosures

  • Water resistant hubs are available in zinc or chrome plated finish

  • Gaskets provided

Water Resistant Hubs [2]

Conduit Size

1/2

3/4

1

1-1/4

1-1/2

2

2-1/2

3

3-1/2

4

Standard-
Zinc Hub
Cat. No

H050

H075

H100

H125

H150

H200

H250

H300

H350

H400

Chrome
Plated
Hub
Cat. No.

H050CP

H075CP

H100CP

H125CP

H150CP

H200CP

Electrical Interlock Kits

EIK1 Electrical Interlock Kit

Electrical interlocks for heavy duty safety switches 30 A through 1200 A are available as field installed kits, or on Type 12 or Type 4X enclosure factory installed. A pivot arm operates from the switch mechanism, breaking the control circuit before the main switch blades break. See supplemental digest section 2 for contact ratings. UL Listed for factory or field installation.

For factory installation catalog numbers available on Type 12 or 4X enclosures use the product configurator.

Electrical Interlock Kit [3][4]

Switch
Amperes Rating

Series Number [5]

Electrical Interlock Kit

Cat. No.  [6]

30

F5–F6

EIK031

EIK032 

60

(600 V)

F5–F6

EIK1

EIK2

60

(240 V)

F5–F6

EIK031

EIK032

100–200

F5–F6

EIK1

EIK2

30–100

Receptacle Switches

F5–F7

EIK1

EIK2

30–200

Four- and Six-Pole Switches

F5–F6

EIK1

EIK2

400–1200

E4–E5

EIK40601

EIK40602

Electrical Interlock Contact Ratings [7]

Interlock Type

AC 50 or 60Hz

DC

Volts

Make

Break

Cont.

Volts

Make / Break

Cont.

1 N. O. / 1 N. C. Contact

(-1 Suffix [8])

120

40.00 A

15.00 A

15.00 A

115

0.50 A

15.00 A

240

20.00 A

10.00 A

15.00 A

230

0.25 A

15.00 A

2 N. O. / 2 N. C. Contacts

(-2 Suffix [9])

120

30.00 A

3.00 A

10.00 A

115

1.00 A

10.00 A

240

15.00 A

1.5 A

10.00 A

230

0.30 A

10.00 A

Class R Fuse Kits

When installed, kit limits switch to Class R fuses only. Kits are available for field installation. Each kit supports one three pole switch.

240 Vac — Class R Fuse Kits [10]

Amperes

Series Number

Class R Fuse Kit
Cat. No.

30

F5–F6

RFK03L

60

F5–F6

RFK03H

100

F5–F6

RFK10

200

F5–F6

HRK1020

400–600

E4–E5

HRK4060

600 Vac — Class R Fuse Kits [10] [11]

Amperes

Series Number

Class R Fuse Kit
Cat. No.

30 [12]

F5–F6

RFK03H 

30 A

Receptacle Switches

F7

RFK06

30 A

Four-Pole Switches

F5–F6

RFK06

60

F5–F7

RFK06H   

100

F5–F7

RFK10

200

F5–F6

HRK1020

400–600

E4–E5

HRK4060

Line Side Barrier Kits

The field instable line side barrier kits are required to meet National Electric Code (NFPA 70) for service entrance applications. Barrier kits protect against inadvertent contact with line side, uninsulated, ungrounded or service terminal live parts.

Line Side Barrier Kits

Catalog

Description

Blades / Fuses

Safety Switch Application

LSBD202

Line Side Barriers for General Duty and Heavy Duty

2 or 3

240 V — 30 A
240 V —60 A

LSBC02

Line Side Barriers for General Duty and Heavy Duty

2 or 3

240 V — 100 A
600 V — 60 A
600 V — 100 A

LSBD602

Line Side Barriers for General Duty and Heavy Duty

2 or 3

600 V — 30 A

LSBE202

Line Side Barriers for General Duty and Heavy Duty

2

240 V — 200 A

LSBE203

Line Side Barriers for General Duty and Heavy Duty

3

240 V — 200 A

LSBE603

Line Side Barriers for General Duty and Heavy Duty

3

600 V — 200 A

LSBG202

Line Side Barriers for Heavy Duty

2

240 V — 400 A
240 V — 600 A

LSBG203

Line Side Barriers for Heavy Duty

3

240 V — 400 A
240 V — 600 A

LSBG602

Line Side Barriers for Heavy Duty

2 or 3

600 V — 400 A
600 V — 600 A

LSBI02

Line Side Barriers for General Duty

2 or 3

240 V — 400 A
240 V — 600 A
240 V — 800 A

LSBF202

Line Side Barriers for Heavy Duty

2

240 V — 800 A
240 V — 1200 A

LSBF203

Line Side Barriers for Heavy Duty

3

240 V — 800 A
240 V — 1200 A

LSBF602

Line Side Barriers for Heavy Duty

2 or 3

600 V — 800 A
600 V — 1200 A

Internal Barrier Kits

Internal barrier kits provide an additional barrier that helps prevent accidental contact with live parts. Field-installed transparent barriers do not restrict visual inspection of the switch. Barrier provides IEC529 IP2X protection when door of enclosed disconnect switch is open. Designed with convenient door for accessing fuses for replacement without removing barrier, and allows use of test probes.

Internal Barrier Kits

Cat. No.

Description

Blades / Fuses

Safety Switch Application

SS03 [13]

Barriers for Heavy Duty

2 or 3

240 / 600 V – 30 A

240 V – 60 A

SS06 [13]

Barriers for Heavy Duty

2 or 3

600 Vac – 60 A

SS10 [13]

Barriers for Heavy Duty

2 or 3

240 V — 100 A
600 V — 100 A

QTY (1) SS20
QTY (2) 4056677550

Barriers for Heavy Duty

2

240 V — 200 A

QTY (1) SS20 [13]
QTY (3) 4056677550
[13]

Barriers for Heavy Duty

3

240 V — 200 A

SS20 [13]

Barriers for Heavy Duty

2 or 3

600 V — 200 A

SS4060LI

Barriers Line Side for Heavy Duty

2 or 3

240 V — 400 A
240 V — 600 A
600 V — 400 A
600 V — 600 A

SS4060LO [14]

Barriers Load Side for Heavy Duty

2 or 3

240 V — 400 A
240 V — 600 A
600 V — 400 A
600 V — 600 A

SS80120LI

Barriers Line Side for Heavy Duty

2 or 3

240 V — 800 A
240 V — 1200 A
600 V — 800 A
600 V — 1200 A

SS80120LO [14]

Barriers Load Side for Heavy Duty

2 or 3

240 V — 800 A
240 V — 1200 A
600 V — 800 A
600 V — 1200 A

Fuse Puller Kits

Fuse Puller Kits

Fuse Puller Kits are standard equipment on the following 30 A – 100 A switches: NEMA Type 12, Type 4/4X/5 stainless steel, Type 4X fiberglass reinforced polyester and Krydon™.

Fuse Puller Kit available for field installation on Type 1 and Type 3R, 30 A – 100 A switches. One Fuse Puller Kit required for a 3 pole fusible 240 V or 600 V heavy duty switch. Fuse Puller Kits can be field installed on switches manufactured since February 1980.

Fuse Puller Kits for Heavy Duty Safety Switches

Amperes

Series Number [15]

Fuse Puller Kit Cat. No.

30

F5–F7

FPK03 [16]

60

60

F5–F7 (600 V)

F5 (240 V)

FPK0610

FPK03

100

F5–F7

FPK0610

Solid Neutral Assembly Kits for Safety Switches

Solid Neutral Assembly Kits [15] [17] [18] [19]

Amperes

Series Number [5]

Standard Neutral Kit Cat. No.

Terminal Data
AWG/kcmil

Optional Copper Only Neutral Kit Cat. No.

Terminal Data
AWG/kcmil

30

F5–F6

SN03 [20]

(2) 14-3 Al/Cu plus

(1) 14-3 Al/Cu Svc Ground

SN03C [20]

(2) 14-6 Cu plus

(1) 14-6 Cu Svc Ground

60

F5–F6,

(600 V)

SN0610

(2) 14-1/0 Al/Cu plus

(2) 14-6 Al/Cu Svc Ground

SN0610C

(2) 14-1/0 Cu plus

(2) 14-6 Cu Svc Ground

F5–F6

(240 V)

SN03

(2) 14-3 Al/Cu plus

(1) 14-3 Al/Cu Svc Ground

SN03C

(2) 14-1/0 Cu plus

(2) 14-6 Cu Svc Ground

100

F5–F6

SN0610

(2) 14-1/0 Al/Cu plus

(2) 14-6 Al/Cu Svc Ground

SN0610C

(2) 14-1/0 Cu plus

(2) 14-6 Cu Svc Ground

200 [21]

F5–F6

SN20A

(2) 6-250 Al/Cu plus

(1) 14-10 Al/Cu Svc Ground

SN20C

(2) 6-250 Cu plus

(1) 14-1/0 Cu Svc Ground

400 and 600

E4–E5

H600SN

(4) 1-750 Al/Cu plus

(1) 4-300 Al/Cu Svc Ground

H600SNC

(2) 1-600 Cu and

(2) 4-350 Cu plus

(2) 6-250 Cu Svc Ground

800

E4

H800SNE4

(6) 3/0-750 Al/Cu plus

(2) 6-350 Al/Cu Svc Ground

1200

E4

H1200SNE4

(8) 3/0-750 Al/Cu plus

(2) 6-350 Al/Cu Svc Ground

Equipment Grounding Kits For Safety Switches

Equipment grounding kits are available for field installation.

Equipment Grounding Kits and Terminal Data [3] [22]

Amperes

Series Number

Standard Cat. No.

Terminal Data
AWG/kcmil

Optional Copper Only
Cat. No.

Terminal Data
AWG/kcmil

30

F5–F6

GTK03   [23]

(2) 14-4 Cu or (2) 12-4 Al

or

(4) 14-12 Cu or (4) 12-10 Al

GTK03C   [23] [24]

(2) 14-6 Cu

60 

F5–F6

(600 V)

GTK0610  

(2) 14-1/0 Cu or (2) 12-1/0 Al

and

(2) 14-6 Cu or (2) 12-6 Al

GTK0610C  

(2) 14-1/0 Cu and

(2) 14-6 Cu

60

F5–F6

(240 V)

GTK03

(2) 14-4 Cu or (2) 12-4 Al

or

(4) 14-12 Cu or (4) 12-10 Al

GTK03C

(2) 14-6 Cu

100

F5–F6

GTK0610

(2) 14-1/0 Cu or (2) 12-1/0 Al

and

(2) 14-6 Cu or (2) 12-6 Al

GTK0610C

(2) 14-1/0 Cu and

(2) 14-6 Cu

200

F5–F6

PKOGTA2

(2) 10-2/0 Cu or

(2) 6-2/0 Al

PKOGTC2

(2) 14-4 Cu

400 and 600

E4–E5

PKOGTA2 [25]

(2) 10-2/0 Cu or

(2) 6-2/0 Al

PKOGTC3

(4) 14-1/0 Cu

800

E4

PKOGTA7

(4) 4-350 Al/Cu

1200

E4

PKOGTA8

(8) 4-350 Al/Cu

Touch-Up Paint for Safety Switches

Description

Cat. No.

12 oz. Aerosol Paint Can, Square D ANSI-49 Gray Touch-Up Paint

PK49SP

NOTE: Standard package quantity is 6 cans.

Lock OFF / Lock ON

Optional Lock-OFF Guard Kit Installed

Lock off provisions are standard on Heavy Duty Switches

Lock-on is also available as a factory modification on Type 12 and 304 Stainless Steel Type 4X enclosures. Obtain by selecting on product configurator.

Lock Off Guard Kits

For field installed kits, the lock off guard works by covering the lockout tagout openings whenever the switch is in the ON POSITION. This protects against a padlock from being inadvertently inserted into the switch lockplate. Available ONLY for use on Type 1, Type 3R, Type 12, Heavy Duty Safety Switches.

Lock-Off Guard Kits for Heavy Duty Safety Switches

Switch Rating

Cat. No.

30 A

LOGK1

60 A 240 V

60 A 600 V

LOGK2

100 and 200 A

Key Interlock Systems

Key Interlock System

Factory installed only on heavy duty safety switches and double throw safety switches, from 30 amp to 1200 amp, Type 12 and 304 stainless steel Type 4X.

The key interlock system is a simple and easy method of applying individual key interlock units and assemblies to the above equipment so as to require operation in a predetermined sequence. UL Listed.

Quoting: Contact Schneider Electric for catalog number, availability, and pricing prior to quoting a job. Detailed information is required before an order can be processed. Please see Supplemental Digest Section 2 for further information.

Use these suffixes on switch catalog numbers:

  • KI = 1 lock per switch

  • KI2 = 1 lock with 2 cylinders (2 keys) per switch

  • KIKI = 2 separate locks per switch

Cover Viewing Window

Standard on 30 to 200 amp Single Throw Heavy Duty Safety Switches. Available as factory option on Type 12 and Type 4X - 304 Stainless Steel 400 to 1200 Amp Solutions Single Throw Heavy Duty Safety Switches. The units with viewing windows as standard can be obtain without window on Type 12 and Type 4X solutions.


Voltage Monitors for Safety Switches

Safety Switch with
Voltage Monitoring

Voltage monitors installed on safety switches indicate when voltage is present, helping to prevent hazards during maintenance work. Voltage monitors can be combined with other safety features such as Key Interlock, Viewing Windows or Lock-ON provisions.

  • UL Listed

  • Factory installed only

  • Order the voltage monitors by adding the appropriate suffix shown in the table below to the switch catalog number

  • Not available on NEMA Type 7 and 9 and NEMA Type 4X Fiberglass and Krydon™ switches

Voltage Monitors [26] [27] [28]

Description

Suffix [29]

Line Side Monitor

SI

Load Side Monitor

LI

Line and Load Side Monitors

LI2

Copper Lug Kits

Lug kits that accept only copper wire are available for field installation:

  • UL Listed

  • UL Marine Listed

    • UL Marine listing is applicable ONLY to 30 - 200 A, NEMA Type 12/3R, NEMA Type 12K and NEMA Type 4/4X/5 stainless steel, safety switches

    • When copper only lugs kits are factory installed the switch will bear the UL Marine mark and be suitable for use on vessels over 65 feet long

    • When the copper only lugs kits are field installed the switch will not bear the UL Marine mark and would not be suitable for use on vessels over 65 feet long

  • Not available for use on NEMA Type 4X Fiberglass, Krydon or NEMA Type 7 and 9 switches

  • For field installation, order copper lug kits. See Table below

  • For factory installation of copper lugs, add the suffix SLC to the standard catalog number

Copper Lug Kits [30]

Amperes

Lug Kit Cat. No.

Lug Wire Range AWG/kcmil

30–60

CL0306F

(1) 14-8 Cu solid or

14-4 Cu stranded

100

CL10F

(1) 14-8 Cu solid or

14-1/0 Cu stranded

200

CL20F

(1) 6-250 Cu

400

CL40F

(1) 1-600 Cu plus

(1) 6-250 Cu

600

CL60F

(1) 4-350 Cu

 800

1200

Load Side Double Lug Kits

AL20DTF

200 A heavy duty F-series switches are supplied standard with lugs suitable for one wire per phase. For two wires per phase and neutral, order the Double Lug Kit.

Not listed on switch’s wiring diagram as an accessory, available for Load Connections only. Lug can only be field installed on load side terminals.

Double Lug Kits

Amperes

Cat. No. [31]

Lug Wire Range
per Phase and Neutral

AWG/kcmil

Wire Range Wire
Bending Space per

NEC Table 312.6 AWG/kcmil

200

AL20DTF

(2) 6 –300 Cu/Al

(2) 6 –250 Cu/Al

Compression Lug Kits — 800 A and 1200 A Safety Switches

H12LKE2

  • UL Listed

  • Compression Lug Kits available for field installation

  • Compression Lug Kits contain VCEL07512H1 Versa-Crimp™ compression lugs

  • Order one Compression Lug Kit per switching pole and/or neutral (see Table below)

Compression Lug Kits

Amperes

Lug Kit

Cat. No.

Conductors per Phase

Lug Wire Range
kcmil

 800

H8LKE2

(3) Line and (3) Load

500-750 kcmil (AI)

or

500 kcmil (CU)

1200

H12LKE2

(4) Line and (4) Load

500-750 kcmil (AI)

or

500 kcmil (CU)

Terminal Lug Data [32]

Rating (A)

Wires Per Phase and Neutral

Wire Range Wire Bending Space per NEC Table 312.6
AWG/kcmil

Lug Wire Range
AWG/kcmil

Optional [33] Compression Lug Field-Installed

Optional Copper Only [33] Compression Lug Field-Installed [34]

30

1

12–6 (Al)

or

14–6 (Cu)

12–2 (Al)

or

14–2 (Cu)

C10–14, [35] D8–14–SK,

or

E6–14

2

12–10 (Al)

or

14–10 (Cu)

60 [36]

1

12–3 (Al)

or

14–3 (Cu)

12–2 (Al)

or

14–2 (Cu)

C10–14, [35] D8–14–SK,

or

E6–14

100 [37]

1

12–1/0 (Al)

or

14–1/0 (Cu)

12–1/0 (Al)

or

14–1/0 (Cu)

VCEL02114S1

VCELC02114S1

200 [38]

1

6–250 (Al/Cu)

6–300 (Al/Cu)

VCEL030516H1

VCELC030516H1

400 [39]

1

or

2

1/0–750 (Al/Cu)

or

1/0–300 (Al/Cu)

1/0–750 (Al/Cu)

or

1/0–300 (Al/Cu)

VCEL07512H1

or

VCEL030516H1 [40]

and

VCEL05012H1

VCELC07512H1

or

VCELC030516H1 [41]

and

VCELC05012H1

600

2

3/0–500 (Al/Cu)

3/0–500 (Al/Cu)

VCEL05012H1

VCELC05012H1

800

3

3/0–750 (Al/Cu)

3/0–750 (Al/Cu)

H8LKE2 [42]

1200

4

3/0–750 (Al/Cu)

3/0–750 (Al/Cu)

H12LKE2 [42]

Conduit Provisions

Amperes

Top and Bottom
Endwall

NEMA Type 4X Fiberglass
Reinforced Polyester and Krydon [43]

 30

 3/4 in.

 60

1-1/4 in.

100

2 in.

200

2-1/2 in.

Footnotes

  1. Gaskets are provided on 3 in. and larger hubs.
  2. Gaskets are provided.
  3. For series not shown in table refer to the switch wiring diagram.
  4. Electrical interlocks for NEMA Type 4X fiberblass reinforced polyester and Krydon™ see Fiberglass Reinforced Polyester Enclosures and Krydon Enclosures respectively.
  5. See NEMA Type 1 and 3R and NEMA Type 4, 4X, 5, 7, 9, and 12 for safety switch series.
  6. Electrical interlock kit catalog numbers ending in 1 indicates one normally open and one normally closed contact. These kits use a 9007A01 industrial snap switch. Electrical interlock kit catalog numbers ending in 2 indicates two normally open and two normally closed contacts. These kits use a 9007C03 industrial snap switch.
  7. Single-pole single-throw interlock kits are rated 1/2 hp at 110 and 220 Vac.
  8. -1 Suffix uses a 9007A01 limit switch.
  9. -2 Suffix uses a 9007C03 limit switch.
  10. For series not shown in the table, refer to the switch wiring diagram.
  11. Class R Fuse Kits for Fiberglass Reinforced Polyester enclosures and Krydon™ enclosures see Fiberglass Reinforced Polyester Enclosures NEMA Type 4X 3 Pole 600 Vac, 600 Vdc and Krydon™ Enclosures — NEMA Type 4X 3 Pole 600 Vac, 600 Vdc respectively.
  12. H361-2, H361-2A, H361-2AWK and H361-2RB use RFK06.
  13. Can only be applied to F series.
  14. Must buy line side also
  15. For series not shown in chart refer to the switch wiring diagram.
  16. 30 A 4 pole, H361-2 and H361-2RB Series F5, H361WA and H361WC Series F6 use FPK0610.
  17. For solid Neutral Assembly Kits for Krydon™ enclosure see Krydon Enclosures.
  18. For Solid Neutral Assembly Kits for Fiberglass Reinforced Polyester enclosures see Fiberglass Reinforced Polyester Enclosures.
  19. Neutrals cannot be installed in 4 or 6 pole switches or receptacle switches.
  20. The following 30 A Series F5-F6 switches use SN0610 or SN0610C: H3612, H3612RB, H3612A, H3612AWK, HU3612, HU3612RB, HU3612A and HU3612AWK.
  21. For 200% neutral, order (2) SN20A Neutral Kits and (1) SN20NI Neutral Jumper Kit.
  22. Equipment Ground Kits (Al/Cu) are factory installed standard in 30-200 A Series F NEMA Type 4/4X/5 (stainless steel), 12. Equipment Ground Kits are standard factory installed on receptacle switches and Series F 30-200 A, 4 and 6 pole switches.
  23. H2212AWK accepts GTK03 or GTK03C. H3612A or AWK accepts GTK03C. H3612 and H3612RB accepts GTK0610 HU3612AWK accepts GTK03C. HU3612A accepts GTK0610C. HU3612RB accepts GTK0610 or GTK0610C.
  24. Optional copper equipment grounding kit for the 4 and 6 pole 30 A F Series: H461DS, H461AWK, HU461DS, HU661DS and HU661AWK accepts GTK03C HU461AWK accepts GTK0610C.
  25. Two required if equipment grounding conductors are run in parallel.
  26. Available on 30–1200 A Heavy Duty Safety Switches.
  27. Order 600 Vac Heavy Duty Safety Switch for 30–60 A 240 Vac applications.
  28. Available on 30–200 A Double Throw Safety Switches. Two and three-pole, 200 A Type 3R switches are not available with these voltage monitors.
  29. In addition to the suffix shown in the table above, a 3 must be added to the switch catalog number for 30 and 60 A switches, i.e. H361AWK becomes H3613AWKLI. 30 and 60 A switches require 100 A enclosure accessories. Double Throw Safety Switches are exempt from this requirement.
  30. One kit includes line/load lugs for a 3-pole switch. CL0306F, CL10F and CL20F includes six lugs. CL40F and CL60F includes twelve lugs.
  31. Kit contains 3 lugs. Order two kits for line and load lugs.
  32. 30–100 A switches suitable for 60°C or 75°C conductors. 200–1200 A switches suitable for 75°C conductors.
  33. Hubbell Versa-Crimp™ unless otherwise noted.
  34. For NEMA Type 1, 12/3R, 12K and 4/4X/5 stainless steel switches only.
  35. Order from Thomas and Betts.
  36. H60XFA and H60XFA1212 — use 75°C copper wire only. #6 AWG copper wire required for 60 A rating.
  37. H100XFA and H100XFA1212 — use 75°C copper wire only. #3 AWG copper wire required for 100 A rating.
  38. H225XJG and H225XJGAA — use 75°C copper wire only. Lug wire range is #3 AWG – 350 kcmil. Not UL Listed due to inadequate wire bending space (5” on ON end, 6” on OFF end).
  39. Maximum wire bending space allows for (1) 600 kcmil or (2) 300 kcmil Al/Cu on NEMA Type 4/4X/5 stainless steel and NEMA Type 12 switches.
  40. Order two PK516KN mounting kits when installing VCEL030516H1 lugs. Only one kit is required on 2 pole switches. PK516KN consists of (4) 5/16-18 Keps Nuts.
  41. Order two PK516KN mounting kits when installing VCEL030516H1 or VCELC030516H1 lugs. Only one kit is required on 2 pole switches. PK516KN consists of (4) 5/16-18 Keps Nuts.
  42. For 800 and 1200 A compression lug kits see Compression Lug Kits for additional information.
  43. Hubs and hub drilling templates are provided for field-installation.

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