Killark-Hubbell Electrical Products B7NFD SERIES Catalog Page
KILLARK DISTRIBUTION
B7NFD SERIES
COMPACT NON-FUSED DISCONNECT SWITCHES
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, Gj
Class III
NEMA 3, 4, 4X, 7 (B, C, D) 9 (E, F, G)
Certified - File LR11714
B7NFD1 B7NFD2
FEATURES-SPECIFICATIONS
Applications
The PRISM® B7 Series of non-fused disconnect
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 R9 Series
• Sprecher + Schuh L A7 Series
• Ferraz Shawmut LBS Series
Advance Controls © Advance Controls Inc.
Allen-Bradley © Rockwell Automation
ABB © Tne ABB Group
Cutler-Hammer © Eaton Corporation
Sprecher + Schuh © Sprecher + Schuh
CATALOG NUMBER
ENCLOSURE
ONLY
B7NFD1 B7NFD16A 16/20 3 1 2 3 5 10 10 .75 - 10mm / #18 - 8 AWG 4.98 / 11
B7NFD1 B7NFD25A 25/30 3 1. 5 3 7. 5 7. 5 15 20 .75 - 10mm / #18 - 8 AWG 4.98 / 11
B7NFD1 B7NFD32A 32/40 3 2 5 10 10 20 25 .75 - 10mm / #18 - 8 AWG 4.98 / 11
B7NFD1 B7NFD63A 63/60 3 2 5 15 15 30 30 1.5 - 35mm / #14 - 2 AWG 4.98 / 11
B7NFD2 B7NFD80A 80/80 3 2 5 20 20 40 40 1.5 - 35mm / #14 - 2 AWG 10.53 / 23.2
UL 98 & IEC - Suitable for use as motor disconnects or industrial control panel disconnects on service entrance equipment, panelboards, switchboards, industrial control
B7NFD1 B7NFD13A 40/30 3 2 5 10 10 20 30 2.5 -25mm / #14 - 4 AWG 4.98 / 11
B7NFD2 B7NFD26A 63/60 3 3 7.5 20 20 40 40 2.5 -25mm / #14 - 4 AWG 10.53 / 23.2
B7NFD2 B7NFD26A 100/100 3 5 15 25 30 50 50 10 - 70mm / #8 - 2/0 AWG 10.53 / 23.2
** Use MN. 75°C wire
W/ABB
SWITCH
UL508 & IEC - Suitable for use in equipment or machiner y as motor controllers & motor disconnect and are horsepower and ampere rated.
SWITCH RATING
IEC/NEC
AMPS PHASE
equipment, motor control centers, etc. and are horsepower rated and ampere rated.
DIMENSIONS
ENCLOSURE
B7NFD1
B7NFD2
OUTSIDE BOX
DIMENSIONS
(INCH/MM)
A B C D E F G H I J K
5.75
8.0625
(205)
13.0 625
(332)
6.3125
(160)
7.8125
(198)
(145)
8.125
(206)
NOMINAL INSIDE BOX
(INCH/MM)
3.625
(92)
4.25
(108)
Features
• Compact size enclosures provide application
flexibility with cost savings over industr y
standard sizes
• Fewer cover bolts reduces installation and
maintenance time
• Gasketed flange with O-ring located in side
bolt circle to seal out moisture
• Rotar y 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
Standard Materials /Finish
• Enclosures: Copper-free aluminum (less than
4/10 of 1% copper content)
• Cover Bolts: 316 Stainless Steel
• O-ring Gasket: Silicone
COMPACT NON-FUSED DISCONNECT SWITCHES
SINGLE PHASE HP THREE PHASE HP
120
230
208
VAC
(INCH/MM)
230
VAC
NA NA
6.375
(162)
7.50
(191)
5.8 125
(148)
9.18 75
(233)
VAC
5.0625
(129)
6.3125
(160)
VAC
MOUNTING DIMENSION
3.12 5
8.125
(79)
(206)
2.50
11.3 75
(64)
(289)
480
VAC
1.25
(32)
1.812 5
(46)
• Finish: Grey Powder Polyester painted
exterior, electrostatically applied.
• Electrical rating: 600VAC, 30 - 100 Amp
ADAPTER KIT
• Required for Allen-Bradley and Sprecher +
Schuh disconnects Order separately B7KIT
- NRW
MODIFICATIONS
SUFFIX
NUMBER
KIT-251 100 amp ground lug
SU-2 SU-2 Hinge-9 Installed
SU-3B-4X Drain /Breather NEMA 4X/ 7 B,C,D
SU-10B-4X Drain NEMA 4X /7 B,C,D
SU-11B-4X Breather NEMA 4X/7 B,C,D
SU9 Special paint finish
A* 1 NC+1NO Auxiliary
B7SPNPT Change std. conduit size and location
SU14 Fungus proofing of enclosures
* NOTE: Only one auxillary contact (Form C) will t.
TERMINAL LUG SIZE
600
(MM/AWG)
VAC
Fixed Lug Po sition For B7NFD1
Optional Position For B7NFD2
Standard Lug Position For B7NFD2
DESCRIPTION
WEIGHT
(KG/LBS)
U
B
U
B
I
I
T
T
R
R
I
I
T
T
O
O
S
S
N
I
N
I
D
D
H
H
C
C
A
A
O
O
Z
Z
L
L
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