Energy Guide

3-16
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All Rights Reserved
Heavy Duty Safety Switches Accessories and Special Features
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Class 3110 / Refer to Catalog 3100CT1602
Electrical Interlock Kits
EIK2 Electrical Interlock Kit
Electrical interlocks for heavy duty safety switches 30 A through 1200 A are available
factory installed or in kit form for field installation. A pivot arm operates from the switch
mechanism, breaking the control circuit before the main switch blades break. For factory-
installed electrical interlocks add EI (for one contact) or EI2 (for two contacts) suffix to
catalog number. See Supplemental Digest Section 2 for electrical interlock contact
ratings. UL Listed, factory or field installed.
Table 3.29: Electrical Interlock Kit
[61] [62]
Switch’s
Amperes Rating
Series Number [63]
Electrical Interlock Kit
Cat. No. [64]
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
Receptable Switches
F5–F7
EIK1
EIK2
30–200
Four- and Six-Pole Switches
F5–F6
EIK1
EIK2
400–1200 E4–E5
EIK40601
EIK40602
Class R Fuse Kits
When installed, this kit rejects all but Class R fuses. Kits are available for field
installation. One kit required for a three pole switch. For factory installation, add “CLR’’
suffix to catalog number.
Table 3.30: 240 Vac — Class R Fuse Kits
[65]
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
Table 3.31: 600 Vac — Class R Fuse Kits [65] [66]
Amperes
Series Number
Class R Fuse Kit
Cat. No.
30 [67]
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
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. Barriers provide IEC529 IP2X “finger safe” protection when door of enclosed
disconnect switch is open. Convenient door allows use of test probes without accessing
fuses and replacement of fuses without removing barrier. For use with three-pole
switches.
Table 3.32: Internal Barrier Kits
Cat. No.
Description Safety Switch Application
SS03 [68]
Interior Barrier for 30 A and 240 V 60 A
Safety Switch [69]
240 / 600 Vac – 30 A
240 Vac – 60 A
SS06 [68]
Interior Barrier for 600 V, 60 A
Safety Switch
600 Vac – 60 A
SS10 [68]
Interior Barrier for 240 / 600 V, 100 A
Safety Switch
240 / 600 Vac – 100 A
SS20 [68] [69]
Interior Barrier for 240 / 600 V, 200 A
Safety Switch
240 / 600 Vac – 200 A
SS20 [68] [69]
Interior Barrier for 240 / 600 V, 200 A
Safety Switch
240 / 600 Vac – 200 A
SS4060LI
HDSS Line Side Interior Barrier for
400 – 600 A Safety Switch
400 – 600 A
SS4060LO
HDSS Load Side Interior Barrier for
400 – 600 A Safety Switch
400 – 600 A
3
SAFETY SWITCHES
[61] For series not shown in table refer to the switch wiring diagram.
[62] Electrical interlocks for NEMA Type 4X fiberblass reinforced polyester and Krydon
TM
see Table 3.19 and Table 3.20 respectively.
[63] See page 3-22 and page 3-23 for safety switch series.
[64] 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.
[65] For series not shown in the table, refer to the switch wiring diagram.
[66] Class R Fuse Kits for Fiberglass Reinforced Polyester enclosures and Krydon
TM
enclosures see Table 3, page 3-12 and Table 5, page 3-13 respectively.
[67] H361-2, H361-2A, H361-2AWK and H361-2RB use RFK06.
[68] Can only be applied to F series.
[69] Requires arc shield on 240 V switches be changed to 600 V arc suppressor. Contact the Customer Care Center at 1–888–778–2733 fo the arc suppressor part number.
9/13/2019