Serie B7C

B7C SERIES • DISTRIBUTION EQUIPMENT
CIRCUIT BREAKER ENCLOSURES
DE3
Class I, Div. 1 & 2, Groups B,C,D
Class I, Zones 1 & 2, Groups IIB+H2, IIA
Class II, Div. 1 & 2, Groups E,F,G
Class III, Div. 1 & 2
NEMA 3, 4, 4x, 7(B,C,D), 9(E,F,G)
#UL1203-Explosion Proof and
Dust-Ignition-Proof Electrical Equipment
For Use In Hazardous
(Classified) Locations.
File #E83969
#C22.2 NO. 30-M1986-Explosion Proof
Enclosures For Use In Class I Hazardous
Locations.
File #LR11714
F E AT U R E S - S P E C I F I C AT I O N S
Applications
• Locations such as petroleum refineries, chemical and petroleum plants
with indoor and outdoor processes
• Motor control and circuit protection in
locations made hazardous due to the
presence of flammable gases or
vapors, combustible dust, or easily
ignitable fibers and flyings, and areas
which are subject to corrosion,
weather and dampness
• To provide overcurrent and short
circuit protection of service entrance,
feeder or branch circuits, lighting,
heating, appliance and motor circuits
• To provide line disconnect means
Features
• Copper-free, cast aluminum construction (less than 4/10 of 1%)
• High strength, lighter in weight,
corrosion resistant
• Hinged Cover is standard
• More Wiring Room.
Meets the latest NEC/CEC wire
bending requirements for circuit
breaker enclosures
• Ductile Mounting Lugs.
Lugs are made of ductile aluminum
alloy to adjust to irregular mounting
surfaces without damage to enclosure
• Universal Mounting Pan.
Sheet aluminum pan is pre-drilled
to facilitate easy field installation of
major circuit breaker brands.
Provisions for grounding supplied
as standard
• Conduit Openings Supplied.
Standard conduit openings include
power conduit top and bottom and
a plugged opening suitable for field
installation of drain and breather
Special conduit openings can be
supplied at factory, or can be field
installed
• Breaker Handle.
Provisions for lock “ON” or “OFF”
positions with up to three padlocks.
Spring loaded to prevent damage of
breaker toggle and provides positive
handle alignment. “O” ring on shaft to
prevent water seeping into enclosure
• Recessed Flange Notches.
Flanges are notched to allow for easier cover opening with prying instrument without flange damage
• Gasketed Flange.
Nitrile (BUNA-N) “O” ring gasket is
located inside cover bolt circle to prevent water seeping into enclosure
• Quick Release, Captivated Cover.
Bolts of 316 Grade Stainless Steel
Triple lead bolts require only 3-1/2
turns to disengage
Material/Finish
• Enclosure: Copper-free, cast aluminum (less than 4/10 of 1%)
• Cover Bolts: 316 grade stainless steel
• Mounting Pan: Sheet aluminum
• Handle Mechanism: Cast aluminum
with stainless steel shaft and
hardware
• Hinges: Aluminum with stainless steel
hardware
• Aluminum lacquer paint finish is
standard, with special epoxy finish
available. See page DE6
DE
DE4
B7C SERIES • DISTRIBUTION EQUIPMENT
CIRCUIT BREAKER ENCLOSURES
F E AT U R E S - S P E C I F I C AT I O N S
B7C CIRCUIT BREAKER ENCLOSURES
ENCLOSURE ONLY
CATALOG NUMBER
B7CA
B7CB
B7CC
B7CD
B7CE
B7CF
WILL ACCEPT THE FOLLOWING CIRCUIT BREAKERS:
MANUFACTURER
FRAME SIZE
MAX. AMP
CUTLER-HAMMER/WESTINGHOUSE
F
CIRCUIT BREAKER TYPE
EHD, FDB, FD, HFD, FDC
GENERAL ELECTRIC
E150
TEB, TED, THED, TEL
ITE - SIEMENS
ED
ED2, ED4, ED6, HED4, HED6
SQUARE D
F
FAL, FHL, FCL
100
CUTLER-HAMMER/WESTINGHOUSE
F
EHD, FDB, FD, HFD, FDC
150
GENERAL ELECTRIC
E150
TEB, TED, THED, TEL
150
ITE - SIEMENS
ED
ED2, ED4, ED6, HED4, HED6
125
CUTLER-HAMMER/WESTINGHOUSE
J
JD, JDB, JDC, HJD
250
GENERAL ELECTRIC
F225
TFJ, TFK, THFK, TFL
225
SQUARE D
K
KAL, KHL, KCL
250
CUTLER-HAMMER/WESTINGHOUSE
K
DK, KDB, KD, HKD, KDC
400
GENERAL ELECTRIC
J600
TJJ, TJK4, THJK4
400
ITE - SIEMENS
FD
FXD6 FD6, HFD6, CFD6
250
ITE - SIEMENS
JD
JXD2, JXD6, JD6, HJD6, HHJD6, CJD6
400
SQUARE D
L
LAL, LHL
400
CUTLER-HAMMER/WESTINGHOUSE
L
LDB, LD, HLD, LDC
600
GENERAL ELECTRIC
J600
TJK6, THJK6
600
TE - SIEMENS
LD
LXD6, LD6, HLD6, HHLD6, CLD6
600
SQUARE D
LC
LCL
CUTLER-HAMMER/WESTINGHOUSE
N
ND, HND, NDC
1200
GENERAL ELECTRIC
K1200
TKM8, THKM8, TKM12, THKM12
1200
ITE - SIEMENS
MD
MD6, MXD6, HMXD6, HMD6, CMD6
ITE - SIEMENS
ND
ND6, NXD6, HNXD6, CND6
1200
SQUARE D
M
MAL, MHL
1000
NOTE: Enclosure includes mounting pan which is pre-drilled to accept circuit breakers illustrated above.
Mounting screw hardware for circuit breaker is not supplied with enclosure and must be furnished by supplier of circuit breaker.
100
100
90
600
800
DE5
B7C SERIES • DISTRIBUTION EQUIPMENT
CIRCUIT BREAKER ENCLOSURES
B 7 C E N C L O S U R E W I T H C I R C U I T B R E A K E R I N S TA L L E D
CATALOG NUMBER
BREAKER
AMPERAGE
MAXIMUM
VOLTAGE
CATALOG NUMBER
CUTLER-HAMMER/WESTINGHOUSE BREAKERS
FRAME SIZE
2 POLE
3 POLE
SQUARE D BREAKERS
2 POLE
FRAME SIZE
3 POLE
15
480
EHD
B7CA-WEHD-42015
B7CA-WEHD-43015
FAL4
B 7 C A - S FA L - 4 2 0 1 5
B 7 C A - S FA L - 4 3 0 1 5
15
600
FDB
B7CA-WFDB-62015
B7CA-WFDB-63015
FAL6
B 7 C A - S FA L - 6 2 0 1 5
B 7 C A - S FA L - 6 3 0 1 5
20
480
EHD
B7CA-WEHD-42020
B7CA-WEHD-43020
FAL4
B 7 C A - S FA L - 4 2 0 2 0
B 7 C A - S FA L - 4 3 0 2 0
20
600
FDB
B7CA-WFDB-62020
B7CA-WFDB-63020
FAL6
B 7 C A - S FA L - 6 2 0 2 0
B 7 C A - S FA L - 6 3 0 2 0
30
480
EHD
B7CA-WEHD-42030
B7CA-WEHD-43030
FAL4
B 7 C A - S FA L - 4 2 0 3 0
B 7 C A - S FA L - 4 3 0 3 0
30
600
FDB
B7CA-WFDB-62030
B7CA-WFDB-63030
FAL6
B 7 C A - S FA L - 6 2 0 3 0
B 7 C A - S FA L - 6 3 0 3 0
40
480
EHD
B7CA-WEHD-42040
B7CA-WEHD-43040
FAL4
B 7 C A - S FA L - 4 2 0 4 0
B 7 C A - S FA L - 4 3 0 4 0
40
600
FDB
B7CA-WFDB-62040
B7CA-WFDB-63040
FAL6
B 7 C A - S FA L - 6 2 0 4 0
B 7 C A - S FA L - 6 3 0 4 0
50
480
EHD
B7CA-WEHD-42050
B7CA-WEHD-43050
FAL4
B 7 C A - S FA L - 4 2 0 5 0
B 7 C A - S FA L - 4 3 0 5 0
50
600
FDB
B7CA-WFDB-62050
B7CA-WFDB-63050
FAL6
B 7 C A - S FA L - 6 2 0 5 0
B 7 C A - S FA L - 6 3 0 5 0
60
480
EHD
B7CA-WEHD-42060
B7CA-WEHD-43060
FAL4
B 7 C A - S FA L - 4 2 0 6 0
B 7 C A - S FA L - 4 3 0 6 0
60
600
FDB
B7CA-WFDB-62060
B7CA-WFDB-63060
FAL6
B 7 C A - S FA L - 6 2 0 6 0
B 7 C A - S FA L - 6 3 0 6 0
70
480
EHD
B7CA-WEHD-42070
B7CA-WEHD-43070
FAL4
B 7 C A - S FA L - 4 2 0 7 0
B 7 C A - S FA L - 4 3 0 7 0
70
600
FDB
B7CA-WFDB-62070
B7CA-WFDB-63070
FAL6
B 7 C A - S FA L - 6 2 0 7 0
B 7 C A - S FA L - 6 3 0 7 0
80
480
EHD
B7CA-WEHD-42080
B7CA-WEHD-43080
FAL4
B 7 C A - S FA L - 4 2 0 8 0
B 7 C A - S FA L - 4 3 0 8 0
80
600
FDB
B7CA-WFDB-62080
B7CA-WFDB-63080
FAL6
B 7 C A - S FA L - 6 2 0 8 0
B 7 C A - S FA L - 6 3 0 8 0
90
480
EHD
B7CA-WEHD-42090
B7CA-WEHD-43090
FAL4
B 7 C A - S FA L - 4 2 0 9 0
B 7 C A - S FA L - 4 3 0 9 0
90
600
FDB
B7CA-WFDB-62090
B7CA-WFDB-63090
FAL6
B 7 C A - S FA L - 6 2 0 9 0
B 7 C A - S FA L - 6 3 0 9 0
100
480
EHD
B7CA-WEHD-42100
B7CA-WEHD-43100
FAL4
B 7 C A - S FA L - 4 2 1 0 0
B 7 C A - S FA L - 4 3 1 0 0
100
600
FDB
B7CA-WFDB-62100
B7CA-WFDB-63100
FAL6
B 7 C A - S FA L - 6 2 1 0 0
B 7 C A - S FA L - 6 3 1 0 0
125
600
FDB
B7CB-WFDB-62125
B7CB-WFDB-63125
—
—
—
125
600
JDB
B7CC-WJDB-62125
B7CC-WJDB-63125
KAL
B7CC-SKAL-62125
B7CC-SKAL-63125
150
600
FDB
B7CB-WFDB-62150
B7CB-WFDB-63150
—
—
—
150
600
JDB
B7CC-WJDB-62150
B7CC-WJDB-63150
KAL
B7CC-SKAL-62150
B7CC-SKAL-63150
175
600
JDB
B7CC-WJDB-62175
B7CC-WJDB-63175
KAL
B7CC-SKAL-62175
B7CC-SKAL-63175
200
600
JDB
B7CC-WJDB-62200
B7CC-WJDB-63200
KAL
B7CC-SKAL-62200
B7CC-SKAL-63200
225
600
JDB
B7CC-WJDB-62225
B7CC-WJDB-63225
KAL
B7CC-SKAL-62225
B7CC-SKAL-63225
250
600
JDB
B7CC-WJDB-62250
B7CC-WJDB-63250
KAL
B7CC-SKAL-62250
B7CC-SKAL-63250
250
600
KD
B7CD-WKD-62250
B7CD-WKD-63250
LAL
B7CD-SLAL-62250
B7CD-SLAL-63250
300
600
KD
B7CD-WKD-62300
B7CD-WKD-63300
LAL
B7CD-SLAL-62300
B7CD-SLAL-63300
350
600
KD
B7CD-WKD-62350
B7CD-WKD-63350
LAL
B7CD-SLAL-62350
B7CD-SLAL-63350
400
600
KD
B7CD-WKD-62400
B7CD-WKD-63400
LAL
B7CD-SLAL-62400
B7CD-SLAL-63400
400
600
LD
B7CE-WLD-62400
B7CE-WLD-63400
—
—
—
500
600
LD
B7CE-WLD-62500
B7CE-WLD-63500
LCL
B7CE-SLCL-62500
B7CE-SLCL-63500
600
600
LD
B7CE-WLD-62600
B7CE-WLD-63600
LCL
B7CE-SLCL-62600
B7CE-SLCL-63600
600
600
ND
B7CF-WND-62600
B7CF-WND-63600
MAL
B7CF-SMAL-62600
B7CF-SMAL-63600
700
600
ND
B7CF-WND-62700
B7CF-WND-63700
MAL
B7CF-SMAL-62700
B7CF-SMAL-63700
800
600
ND
B7CF-WND-62800
B7CF-WND-63800
MAL
B7CF-SMAL-62800
B7CF-SMAL-63800
1000
600
ND
B7CF-WND-621000
B7CF-WND-631000
MAL
B7CF-SMAL-621000
B7CF-SMAL-631000
1200
600
ND
B7CF-WND-621200
B7CF-WND-631200
MAL
—
—
NOTE: See page DE6 of this brochure for dimensional information and circuit breaker interrupting information.
DE
DE6
B7C SERIES • DISTRIBUTION EQUIPMENT
CIRCUIT BREAKER ENCLOSURES
Dimensions
T E C H N I C A L D ATA I N T E R R U P T I N G C A P A C I T Y R AT I N G S ( S Y M M E T R I C A L A M P E R E S )
VOLTS DC
VOLTS AC
BREAKER FRAME
CUTLER-HAMMER/
WESTINGHOUSE
EHD
240
480
600
250
18,000
14,000
—
10,000
FDB
18,000
14,000
14,000
10,000
JDB
65,000
25,000
18,000
10,000
KD
65,000
35,000
25,000
10,000
LD
65,000
35,000
25,000
22,000
ND
65,000
50,000
25,000
—
FA L 4
25,000
18,000
—
10,000
FA L 6
25,000
18,000
14,000
10,000
KAL
42,000
25,000
22,000
10,000
LAL
42,000
30,000
22,000
10,000
LCL
100,000
65,000
35,000
—
MAL
42,000
30,000
22,000
14,000
SQUARE D
Figure 1
Consult factory for requirements on higher interrupting rated breakers.
Dimensions
ACCESSORIES / OPTIONS*
DESCRIPTION
CATALOG NUMBER
Drain & breather NEMA 3, 7CD, 9EFG
SU3
SU3B
Drain & breather NEMA 3, 7BCD, 9EFG
!
B7CGRND
Grounding lug kit
B7C-SN1
Solid neutral 150 AMP
B7C-SN2
Solid neutral 250 AMP
B7C-SN3
Solid neutral 600 AMP
B7C-SN4
Solid neutral 1200 AMP
B7SF
Special epoxy finish
B7SPNPT
Change standard conduit openings
Figure 2
Figure 3
*To be ordered as separate item with notation on order for assembly into enclosure.
NOTE: Modifications to Internal Circuit Breaker such as Shunt Trip,
Auxiliary Switches, Alarm Switch and Undervoltage Release Mechanism
are available and should be ordered by description.
Installation of Drain & Breather will void the NEMA 4-4x rating.
! Not CSA
B7C DIMENSIONS
CATALOG
NUMBER
USE
FIGURES
DIMENSIONS
E
G
H
I
B7CA
1,2
18"
11"
9-1/8"
3-5/8"
N/A
16-3/8"
N/A
1-3/4"
2-15/16"
3-11/16"
2-3/8"
2-1/8"
B7CB
1,2
26-1/4"
12-1/2"
10-3/4"
5"
N/A
24-5/8"
N/A
1-3/4"
4-5/16"
5-3/4"
2-3/4"
2-1/2"
B7CC
1,2
34-1/4"
16-1/2"
11-1/2"
9"
N/A
32-5/8"
N/A
1-3/4"
4-11/16"
6-1/4"
4"
3-3/4"
B7CD
1,2
34-1/4"
16-1/2"
11-1/2"
9"
N/A
32-5/8"
N/A
2-5/8"
4-11/16"
6-1/4"
4"
3-3/4"
B7CE
1,3
45-3/8"
17-1/2"
9-5/8"
N/A
15-1/4"
N/A
33"
2-5/8"
3-3/16"
4-1/2"
2-3/4"
2-3/4"
B7CF
1,3
62-1/4"
20-1/4"
15"
N/A
18-1/2"
N/A
43-1/2"
2-5/8"
5-3/8"
7-3/8"
3-1/2"
3-1/2"
A
B
C
D
D*
E*
DIMENSIONS (CONTINUED)
CATALOG
NUMBER
USE
FIGURES
CONDUIT OPENINGS TOP & BTM. (NPT)
M
L
K
1/2"
3/4"
1-1/2"
EST. ENCL.
WT. (LBS.)
B7CA
1, 2
B7CB
1, 2
2"
1"
1/2"
80
B7CC
1, 2
3"
1"
1/2"
155
B7CD
1, 2
3"
1"
1/2"
155
B7CE
1, 3
3"
1/2"
N/A
215
B7CF
1, 3
4"
1/2"
N/A
540
46
F
J
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