Ark•Gard
®
ENR Receptacles
Premier and Value Series
Ark•Gard
®
Premier Series:
2P
• The premier line of ENR Receptacles (M4) come equipped with a exclusive features that increase the life of the product, reduce maintenance
costs, and eliminate the need to purchase costly replacement parts. There is no other product offering on the market today that comes
equipped with time-saving saddle clamp terminals or the added safety of a lockout/tagout hole. The premier ENR Receptacle series is the
ideal solution for applications where increased safety and reliability are critical.
Ark•Gard
®
Value Series:
• The value line of ENR Receptacles is the ideal solution for rugged and industrial NEMA configured application up to 20 amperes. Like the
premier line, this product comes equipped with built-in safety features that reject standard NEMA configuration plugs that could cause an
arc in hazardous areas.
FEATURES AND BENEFITS - Premier Solution (M4)
Gasketed Screw Cap Cover Design:
• Offers superior protection from harsh environments for
increased product life
• Eliminates the need to purchase a separate
environmental cover for added protection
Complies with OSHA
lockout/tagout
requirements:
• Lockout tagout hole in
cover gives users the
ability to lock the cover
closed while not-in-use
Protected Hinge:
Spring-Loaded Sliding Key Offers Increased
Safety:
• Rejects standard NEMA/EEMAC configuration plugs
that could cause an arc in a hazardous area.
• Also prevents the receptacle faceplate from being
rotated until the ENP plug is fully inserted.
• Cap design provides 360° of protection
around cover hinge to reduce damage from
dirt and corrosion
Integral Bushings:
Saddle Clamp
Terminals:
• Reduce installation
and maintenance
costs – easy to wire,
time-saving terminals
• Taper tapped hubs protect wire installation
during wire-pulling
FEATURES AND BENEFITS - Traditional Value Solution
• Top hinged cover design with 45° downward
angle provides protection in damp, wet and
dirty locations
2P
• To make connection, simply insert the ENP plug
and rotate to close the circuit
• Built-in features cause the ENP plug to become
locked in the receptacle and cannot be accidentally
disengaged while in use
• Molded-in contact design provides for
superior interior contact reliability
• Incorporates three spring-loaded slide
keys that prevent the receptacle face
plate from being rotated until the ENP
plug us fully inserted into the receptacle.
www.crouse-hinds.com
US: 1-866-764-5454
CAN: 1-800-265-0502
Copyright
©
2011 Cooper Crouse-Hinds
1
2P
ENR Premier Series
Dead Front Interlocked
Circuit Breaking Receptacles
ENP Plugs
Cl. I, Div. 1 & 2, Groups B*, C, D
Cl. II, Div. 1 & 2, Groups F, G
Cl. III
NEMA 3, 7BCD, 9FG, 12
Explosionproof
Dust-Ignitionproof
Raintight
Wet Locations
Applications:
Ark•Gard products are used:
• In applications that require additional environmental protection
®
Options:
Description
Suffix
™
Corro-free epoxy powder finish for added corrosion
resistance .....................................................................................
S752
• With portable or fixed electrical equipment such as motor
generator units, welders, pumps, compressors, heating and cooling
units, cellular relay stations, conveyors, lighting systems, and
similar equipment
• In areas made hazardous by the presence of flammable vapors and
gases or combustible dusts
• When power requirements do not exceed 20 amperes
Electrical Rating Ranges:
• Receptacles:
15 amperes;
20 amperes;
• Plugs:
15 amperes;
20 amperes;
125 VAC and 250 VAC, 50–400 hertz
125 VAC and 250 VAC, 50-400 hertz
125 VAC and 250 VAC, 50–400 hertz
125 VAC and 250 VAC, 50–400 hertz
Certifications and Compliances:
• NEC:
Class I, Division 1, Groups B*, C, D
Class II, Groups F, G
Class III
NEMA 3, 3R
• CEC‡:
Class I, Division 1, Groups B*, C, D
Class II, Groups G
Class III
NEMA 3, 3R
Grounding:
• NEC Article 501 and CEC Section 18 requires that metal frames or
exposed non-current-carrying metal parts of portable devices
used in hazardous locations be grounded through an extra
conductor in the portable cord. ENR Receptacles and ENP Plugs
are provided with an extra grounding pole.
Dimensions
In Inches:
66.7
2 5/8"
8.7
Ø 11/32"
Standard Materials:
• Receptacle housing, spring door and plug body – die cast copper-
free aluminum
• Interiors: receptacle –
Krydon
®
fiberglass-reinforced polyester
material; plugs – nylon 100
• Contacts: receptacle blade – brass; receptacle switch – silver; plug
– brass
• Receptacle cover hinge pin and spring – stainless steel
• Receptacle gasket – neoprene
• Plug bushing – neoprene
• Back boxes – copper-free aluminum
149.2
5 7/8"
129.4
5 3/32"
171.7
6 3/4"
Standard Finishes:
• Copper-free aluminum – aluminum acrylic paint
• Brass – natural
Type
Single Gang
Double Gang
174.4
6 7/8"
A
A =3 1/2" FOR SINGLE GANG
B = 7 9/16" FOR TWO GANG
Dimension A
3
1
/
2
"
7
9
/
16
"
2P
*Single gang assemblies purchased with an EFS back box are suitable for Class I, Group B.
‡15A units are CSA Listed only.
2
www.crouse-hinds.com
US: 1-866-764-5454
CAN: 1-800-265-0502
Copyright
©
2011 Cooper Crouse-Hinds
ENR Premier Series
Dead Front Interlocked
Circuit Breaking Receptacles
ENP Plugs
Ordering Information:
Cl. I, Div. 1 & 2, Groups B*, C, D
Cl. II, Div. 1 & 2, Groups F, G
Cl. III
NEMA 3, 7BCD, 9FG, 12
Explosionproof
Dust-Ignitionproof
Raintight
Wet Locations
2P
15A
15A
Single Gang*
Receptacle Description Hub Size
Receptacle
Rating
Assembly Cat. No
.
1/2
3/4
1
1/2
3/4
1
1/2
3/4
1
1/2
3/4
1
ENR11151 M4
ENR21151 M4
ENR31151 M4
ENRC11151 M4
ENRC21151 M4
ENRC31151 M4
ENR11152 M4
ENR21152 M4
ENR31152 M4
ENRC11152 M4
ENRC21152 M4
ENRC31152 M4
Two Gang**
Receptacle
Assembly Cat. No.
ENR12151 M4
ENR22151 M4
ENR32151 M4
ENRC12151 M4
ENRC22151 M4
ENRC32151 M4
ENR12152 M4
ENR22152 M4
ENR32152 M4
ENRC12152 M4
ENRC22152 M4
ENRC32152 M4
Two Gang**
Receptacle
Assembly Cat. No.
ENR12201 M4
ENR22201 M4
ENR32201 M4
ENRC12201 M4
ENRC22201 M4
ENRC32201 M4
ENR12202 M4
ENR22202 M4
ENR32202 M4
ENRC12202 M4
ENRC22202 M4
ENRC32202 M4
Group B Listed† Receptacle
§
Single Gang
Unit Only
Assembly Cat. No.
Cat. No.
ENRB11151 M4
ENRB21151 M4
ENRB31151 M4
ENRCB11151 M4
ENRCB21151 M4
ENRCB31151 M4
ENRB11152 M4
ENRB21152 M4
ENRB31152 M4
ENRCB11152 M4
ENRCB21152 M4
ENRCB31152 M4
ENR6152 M4
ENR5151 M4
NEMA
Config.
15A Plug
††
NEMA
Cat. No.
Config.
15 Amp
125 Volt
Dead
End
Through
Feed
G
G
ENP5151
W
W
5-15R
5-15P
15 Amp
250 Volt
Dead
End
Through
Feed
G
W
G
ENP6152
W
6-15R
6-15P
20A
20A
Single Gang*
Receptacle Description Hub Size
Receptacle
Rating
Assembly Cat. No.
1/2
3/4
1
1/2
3/4
1
1/2
3/4
1
1/2
3/4
1
ENR11201 M4
ENR21201 M4
ENR31201 M4
ENRC11201 M4
ENRC21201 M4
ENRC31201 M4
ENR11202 M4
ENR21202 M4
ENR31202 M4
ENRC11202 M4
ENRC21202 M4
ENRC31202 M4
Group B Listed † Receptacle
§
Single Gang
Unit Only
Assembly Cat. No.
Cat. No.
ENRB11201 M4
ENRB21201 M4
ENRB31201 M4
NEMA
Config.
20A Plug
††
NEMA
Cat. No.
Config.
20 Amp
125 Volt
Dead
End
Through
Feed
G
G
ENRCB11201 M4
ENRCB21201 M4
ENRCB31201 M4
ENR5201 M4
W
ENP5201
W
5-20R
5-20P
20 Amp
250 Volt
Dead
End
Through
Feed
ENRB11202 M4
ENRB21202 M4
ENRB31202 M4
ENR6202 M4
ENRCB11202 M4
ENRCB21202 M4
ENRCB31202 M4
G
G
ENP6202
W
W
6-20R
6-20P
2P
*Single gang assemblies purchased with an EDS back box are suitable for Class I, Group C,D only. For self-certified Class I, Group B rating, add the suffix "GB" to the catalog number (i.e.
ENR21201 GB M4).
** Dual gang assemblies purchased with an EDS back box are suitable for Class I, Group C,D only. For self-certified Class I, Group B rating, add the suffix "GB" to the catalog number (i.e.
ENR22201 GB M4).
‡Single gang assemblies purchased with an EFS back box are suitable for Class I, Group B.
§Receptacle units alone (i.e. ENR5201) are not suitable for Class I, Group B
††ENP Plugs use #12 or #14 AWG type S, SO, ST or STO cord with range of .540 to .635 inches diameter.
Note:
Assemblies standard with copper-free aluminum EDS, EDSC, EFS, EFSC back boxes.
www.crouse-hinds.com
US: 1-866-764-5454
CAN: 1-800-265-0502
Copyright
©
2011 Cooper Crouse-Hinds
3
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