Killark-Hubbell Electrical Products MCX SERIES Catalog Page
ALUMINUM CABLE CONNECTORS
FEATURES-SPECIFICATIONS
Applications
Designed for use with jacketed interlocked,
continuously corrugated and welded armor
cable (all types shown in chart below). Install
where it is essential to provide positive
grounding to the cable with a complete gas
block/explosion proof seal. Also for a Type
3,4 connection.
Features
• 360° armor grounding spring is reuseable.
• Roubust threads and world class seal
enables easy installation with minimal
torque required.
• Provides a barrier seal between the
individual insulated cores within the cable
and prevents entry of the pro-ducts of an
explosion into the cable.
• Assembly of the cable gland compresses
and distributes the compound evenly to
create a barrier seal at the point of entry
into the enclosure.
MCX
• Provides cable retention and a low smoke
and fume, zero halogen seal onto the
cables outer sheath.
• Design meets and exceeds third party
requirements for cable retention
• Provides sealing back nut plus inner
o-ring seal to prevent moisture ingress to
the cable armor and enclosure
• Copper free aluminum construction for
harsh, corrosive and hazardous duty
• Back nut is RED to indicate HAZARDOUS
area product.
Construction Details
Inner O-ring Seal
KILLARK FITTINGS
MCX SERIES
Class I, Div. 1 & 2, Groups A, B, C, D
Class II, Div. 1 & 2, Groups E, F, G
Class III
Class I, Zones 1 & 2, Group IIC, Zone 20
Suitable for wet locations
Types 3, 4
IP66
Materials
• Body – Copper free aluminum (less than
4/10 of 1%)
• Ground Spring – Stainless Steel
• Backnut Seal – Thermoplastic elastomer
(silicone)
• Backnut Clamp – Nylon
• Inner and Outer O-rings – Nitrile
Operating Temperature Range
• -50°C to +60°C
Sealing chamber
Reusable
Grounding Spring
Sealing Backnut
NEMA 4
N
I
N
I
T
T
G
G
T
T
I
S
I
S
F
F
H
H
C
C
A
A
O
O
Z
Z
L
L
SUITABLE ARMORED/METAL CLAD CABLE TYPES
AC- AC90, ACWU90, AC90-HL, ACWU90-HL, ACG90, ACGWU90
MC- MCC, MCI, MCI-A, MC-HL
RA- RA90, RA90-HL
TECK- TECK90, TECK90-HL
CATALOG
NUMBER
MCX1C 1/2” 10 0.48” (12.2) 0.52” (13.2) 0.74” (18 .8) 0.60” (15.2) 0.82” (20.8) 2.4” (61) 0. 83” (2 1.1) 1.42” (36) 1.50 ” ( 38.1)
MCX2 3/4” 21 0.71” (18.1) 0.65” (16.5) 0. 95” (24.1) 0.73” (18.5) 1.03” (26.2) 2.6” (66) 0.8 4” (21.3) 1. 61” (41) 1.69” (42.9)
MCX3 1” 42 0.96” (26.4) 0.89” (22.6) 1. 23” (31.2) 0.97” (24.6) 1.31” (33.3) 2.7” (69) 1.03” (26.2) 1.97 ” (5 0) 2 .13 ” (25 4.1)
MCX4 1 1/4” 73 1.16” (2 9.5 ) 1.15” (29.5) 1.48” (37.6) 1.2 3” (31. 2) 1.56” (39.6) 3.2” (81) 1.05” (26 .7) 2.36” (60) 2.50” (63.5)
Cable armor diameter and cable jacket diameter refer to the dimensions across the crest.
*For metric sizes, consult factory.
ENTRY
THREAD SIZE
(NPT)
MAX
NUMBER OF
CORES
THROUGH
DIAMETER
CABLE ACCEP TANCE DETAILS
ARMOR DIAMETER ‘B’ DIAMETER ‘C’
‘A’
MIN. MAX. MIN. MAX.
MAX LENGTH
‘D’
NPT LENGTH
‘E’
HEXAGON DIMENSIONS
ACROSS
FLATS
CORNERS
ACROSS
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