Killark-Hubbell Electrical Products KR SERIES Catalog Page
KILLARK RECEPTACLES
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KR SERIES
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HAZARDOUS LOCATION – DELAYED ACTION
FEATURES-SPECIFICATIONS
Applications
KR Series plugs and receptacles are suitable:
• In hazardous locations due to the
presence of flammable vapors or gases
• Where a heavy duty plug and receptacle is
necessary
• Where a connection is required for
portable or movable equipment such as
tools, motors, hand lights, etc.
• KP series plugs use solder terminations
for sure connection
• KR series receptacles use wire leads for
termination
Features
• Factory sealed receptacles
• Copper free aluminum
• Straight or angle type receptacles
• Delayed action contacts (See Time Delay
Inset)
• Plugs with a wide range of grommet
openings
• Extra long grounding pole makes contact
first and breaks contact last
• Heavy duty construction to withstand
rough and constant usage
Selection
Refer to page headings for suitability of
specific items. When selecting a Killark
device consider the following:
(A) Installation area (Hazardous or Weather-
Resistant)
(B) Amperage
(C) Voltage
(D) Electrical Rating (see below)
(E) Grounding
(G) Modifications (see right)
(H) Mounting arrangement
(I) Box and hub type
(J) Cord diameter
jCSA approval on 20 Amp only.
UL for 20-60 AMP
Class I, Div. 1 & 2, Groups C, D
Class l, Zones 1 & 2, llB, llA
NEMA 7 (C, D)
Receptacle Keyway
Certified LR14667j
Details of Safety Time Delay Feature
The key slot provided in the receptacle
engages the key of the plug permitting
E23572
Safety Time Delay Feature
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entrance of the plug in the receptacle in only
one position. See steps 1-4.
The contacts are enclosed in long accurate
insulating cavities. It is in these cavities that
the arcs are extinguished. All contacts are
made through round tellurium copper tubing
which is extra heavy to withstand arcing as
required on the various ampere ratings.
Both plugs and receptacles are equipped
with an extra long grounding pole which
establishes grounding before the power
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Key Plug
Align Keyway on plug with receptacle.
contacts are engaged. These grounding
poles are also the last to break contact. This
assures bonding of the portable device to the
electrical conduit system.
Selection
Modifications are available by adding the
Plug can move in only to the first step of
the keyway until...
following suffix (SU37 or SU38) to the
catalog number and can be used to prevent
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mismatched voltage connections.
(Note: It must be added to both the plug and
the receptacle so they will mate.)
MODIFICATIONS
CATALOG NUMBER DESCRIPTION
SU37
SU38
Interior contact assemblies
are to be rotated 22-1/2° to
the right.
Interior contact assemblies
are to be rotated 22-1/2° to
the left.
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...key is moved up
Plug then can be moved completely in
and be energized
ELECTRICAL RATINGS
TYPE AMPERAGE VOLTAGE VAC CIRCUIT H.P. HERTZ
j20 AMP
30 AMP
60 AMP
20 115/ 230 2W3P 1 60
7 460 2W3P 1/2 60
7 460 3W4P 1 60
30 115/ 230 2W3P 1-1/2 60
30 115/ 230 3W4P 3 60
30 460 2W3P 3 60
30 460 3W4P 5 60
60 115/ 2 30 2W3P 5 60
60 115/ 2 30 3W4P 5 60
20 AMP 115/230 V.A.C • 1Ø 2 WIRE, 3 POLE
KRS Series
FEATURES-SPECIFICATIONS
KRA
Plug
KP 20 AMP PLUG
CATALOG NO. DESCRIPTION
KP-20ABC
See page PR21 for available polarization options.
Plug furnished with 3 grommets
range .250 - .625
KILLARK RECEPTACLES
KR SERIES
Class I, Div. 1 & 2, Groups C, Dj
Class l, Zones 1 & 2, llB, llA
NEMA 7 (C, D)
File No. E 23572
Certified File No. LR14667
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KRS-Series
KRJ-Series
ELECTRICAL RATING
CIRCUIT RATING (60 HERTZ)
1Ø
2W3P
20 AMPS, 115/230 V.A.C., 1 H.P
KRS 20A 1Ø 2W RECEPTACLE WITH SWB BOXk
CATALOG NUMBER
HUB
SIZE
1/2” KRS-215 -120 SWB-1 KRS-218 -120 SWB-4 2K RS -2 15-120 SWB-7 2KRS-218 -120 SWB -10
3/4” KRS-215-220 SWB-2 KRS-218-220 SWB-5 2KRS-215-220 SWB-8 2KRS-218-220 SW B-11
1” KRS-215-320 SWB-3 KRS-218-320 SWB-6 2KRS-215-320 SWB-9 2KRS-218-320 SWB -12
RECEPTACLE ONLY – CATALOG NUMBER K RS-20
jKRS Series receptacles - Class I, Group D.
kSWB Series mounting splice boxes only for receptacles shown above listed in Section C of full-line catalog.
See page PR22 for available polarization options.
SINGLE
RECEPTACLE &
DEAD END BOX
BOX
ONLY
AJC
SINGLE
RECEPTACLE &
FEED-T HRU BOX
BOX
ONLY
JLC
DOUBLE
RECEPTACLE &
DEAD END BOX
BOX
ONLY
JLX
DOUBLE
RECEPTACLE &
FEED-T HRU BOX
KRJ RECEPTACLE WITH AJ OR JL BOX
HUB SIZE
1/2” — KRJC -120 KRJX-120
3/4” KRAJC-220 KRJC-220 KRJX-220
1” KRAJC-320 — —
AJC JLC JLX
CATALOG NUMBER
BACK BOX ONLY
1/2” — JLC-1 JLX-1
3/4” AJC-2 JLC-2 JLX-2
1” AJC-3 — —
RECEPTACLE ONLY – CATALOG NUMBER K RJ-20
JL Series boxes shown in Section F of full- line catalog. Refer to page headings for suitability of specic items.
See page PR22 for available polarization options.
BOX
ONLY
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