Killark-Hubbell Electrical Products B7 Compact Series Sales Brochure
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ENCLOSURES
For use as Control or
Terminal Boxes
MANUAL STARTER
HOUSINGS
For IEC Starters
DISCONNECT SWITCHES
For Non-fused
Disconnects
MANUAL STARTER
HOUSINGS
For NEMA Starters
Compact size enclosures for
application flexibility with
cost savings over industry
standard sizes
B7EP
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®
B7EQ B7MS1P B7MS2R
B7NFD1 B7NFD2 B7MSN2P Internal view
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ENCLOSURES
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Class I, Div. 1 & 2, Groups B,C,D
Class l, Zones 1 & 2, Groups llB+ H2, llA
Class II, Div. 1 & 2, Groups E,F,G
①
Class III
NEMA 3, 4, 4X, 7(B,C,D) 9(E,F,G)
B7EP B7EQ
C
Certified - File LR11716
US
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The PRISM
®
B7 Series of enclosures are
used in:
• Locations made hazardous due to the
presence of flammable gasses or vapors
combustible dust, fibers and flyings, and
areas which are subject to corrosion,
weather and dampness
• Petroleum Refineries, Chemical and
Petrochemical plants with indoor and
outdoor processes
Provided as blank enclosures or with factory modifications such as openings for
“G Series” operators, conduit entries
(NPT and metric), drains and breathers
and terminal blocks.
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• Compact size enclosures for application flexibility
• NEMA 4, 4X rated - providing protection from hose directed water & corrosion
• Fewer cover bolts reduce installation
and maintenance time
• Removable ductile mounting lugs
adjust to irregular mounting surfaces
• See pages C40 - C49 for “G Series”
control operators and accessories
• Use ‘long style’ operators
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• Enclosures: Copper-free aluminum
(less than 4/10 of 1% copper content)
• Cover Bolts: 316 Stainless Steel
• O-ring Gasket: Silicone
• Finish: Grey Powder Polyester painted
exterior, electrostatically applied.
KIT-251 100 amp ground lug
SU-2 Hinge-9 Installed
SU3* Drain & Breather installed (NEMA 7CD)
SU3B* Drain & Breather installed (NEMA 7BCD)
SU9 Special paint finish
SU14 Fungus proofing of enclosure
SUFFIX DESCRIPTION
NUMBER
*NOTE: The installation of a Drain & Breather will void the NEMA
4-4X ratings of enclosure.
MODIFICATIONS
CATALOG OUTSIDE BOX NOMINAL MOUNTING
NUMBER DIMENSIONS INSIDE BOX DIMENSIONS
ABCD EFG H IJ
B7EP 5-3/4 8-1/16 6-5/16 3-5/8 5-13/16 5-1/16 3-1/8 8-1/8 - -
B7EQ 8-1/8 13-1/16 7-13/16 4-1/4 9-3/16 6-5/16 2-1/2 11-3/8 6-3/8 7-1/2
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CATALOG NUMBER MAX. # CENTER TO CENTER MAX.
ENCLOSURE ONLY OPERATORS SPACING CONDUIT SIZE
B7EP 2 2-1/2 1”
B7EQ 4 2-1/2 1-1/2”
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• Compact size enclosures provide
application flexibility with cost savings
over industry standard sizes
• Fewer cover bolts reduces installation
and maintenance time
• Gasketed flange with O-ring located in
side bolt circle to seal out moisture
• Rotary handle style operating mechanism with lockout provision as standard
• Removable ductile mounting lugs
adjust to irregular mounting surfaces
• Bodies have top and bottom drilled and
tapped conduit entrances for power connection, with custom openings available
• ABB UL98 certified switch supplied for
30-100 Amp units
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• Required for Allen-Bradley and
Sprecher + Schuh disconnects
Order separately
B7KIT - NRW
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DISCONNECT SWITCHES
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Class I, Div. 1 & 2, Groups B,C,D
Class l, Zones 1 & 2, Groups llB+ H2, llA
Class II, Div. 1 & 2, Groups E,F,G
①
Class III
NEMA 3, 4, 4X, 7(B,C,D) 9(E,F,G)
B7NFD1 B7NFD2
C
Certified - File LR11714
US
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The PRISM
®
B7 Series of non-fused dis-
connect switches are used:
• In locations made hazardous due to the
presence of flammable gasses or vapors
or ignitable dusts, fibers and flyings.
• Outdoors or indoors in damp, wet and
dirty locations, or in areas where frequent
washdowns, heavy rain or water spray
routinely occurs.
• Use as motor circuit disconnect.
PRISM
®
enclosures universal design
accomodates the following manufacturers
switches as standard:
• Advance Controls 14046 Series
• Allen-Bradley 194E Series (B7NFD1 only)
• ABB OT Series
• Cutler-Hammer C362N Series
• Sprecher + Schuh LA7
Advance Controls © Advance Controls Inc.
Allen-Bradley © Rockwell Automation
ABB © Tne ABB Group
Cutler-Hammer © Eaton Corporation
Sprecher + Schuh © Sprecher + Schuh
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• Enclosures: Copper-free aluminum
(less than 4/10 of 1% copper content)
• Cover Bolts: 316 Stainless Steel
• O-ring Gasket: Silicone
• Finish: Grey Powder Polyester painted
exterior, electrostatically applied.
• Electrical rating: 600VAC, 30 - 100 Amp
KIT-251 100 amp ground lug
SU-2 Hinge-9 Installed
SU3* Drain & Breather installed (NEMA 7CD)
SU3B* Drain & Breather installed (NEMA 7BCD)
SU9 Special paint finish
A 1 NC+1NO Auxiliary
B7SPNPT Change std. conduit size and location
SU14 Fungus proofing of enclosures
SUFFIX DESCRIPTION
NUMBER
*NOTE: The installation of a Drain & Breather will void the NEMA
4-4X ratings of enclosure.
MODIFICATIONS
** Use MN. 75çC wire
CATALOG NUMBER SWITCH SINGLE PHASE HP THREE PHASE HP DC HP WIRE CONDUIT
ENCLOSURE ONLY W/ABB AMPS / PHASE 120VAC 230VAC 208VAC 230VAC 480VAC 600VAC 230VDC SIZE** SIZES
B7NFD1 B7NFD13A 30 / 3P 2 5 10 10 20 30 1 #14-10 1 NPT
B7NFD2 B7NFD26A 60 / 3P 3 7.5 20 20 40 40 10 #14-4 1-1/2 NPT
B7NFD2 B7NFD21A 100 / 3P 5 15 25 30 50 50 20 #8-1 1-1/2 NPT
Enclosure OUTSIDE BOX NOMINAL MOUNTING
DIMENSIONS INSIDE BOX DIMENSIONS
ABCD EFGHIJK
B7NFD1 5-3/4 8-1/16 6-5/16 3-5/8 5-13/16 5-1/16 3-1/8 8-1/8 - - 1-1/4
B7NFD2 8-1/8 13-1/16 7-13/16 4-1/4 9-3/16 6-5/16 2-1/2 11-3/8 6-3/8 7-1/2 1-13/16
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