Class I, Div. 1 and 2
Groups C, D
Class II, Div. 1 and 2
Groups F, G
Class III
Type 3, 3R, 4, 4X
NEMA 7CD, 9F*G
300880-1
INSTRUCTION SHEET
U.S. Patent No. 3,735,078
EBR Receptacles with Interlocked Circuit Breaker:
Explosion-Proof, Dust-lgnition-Proof.
Weatherproof Spring Cover—30, 60, 100 and 150 Amps at 600V A.C. Max.
Interlocked Circuit Breaker Safety Construction. Grounding thru Extra Pole and Shell
* CAUTION: To prevent Ignition of hazardous atmospheres, do not use in Class II,
Group F locations that contain electrically conductive dusts. Most coal dusts are not
electrically conductive.
I. TO DISASSEMBLE RECEPTACLE INTERIOR
1. Remove polarizing screw and washer.
2. Rotate terminal holder counter-clockwise.
II. TO CONNECT CONDUCTORS TO RECEPTACLE INTERIOR
1. Strip insulation from ends of individual conductors.
2. Loosen screws in pressure connectors and slide prepared ends of conductors into
the connectors, observing proper polarity. Tighten screws.
III. TO REASSEMBLE RECEPTACLE INTERIOR
1.Insert Terminal Holder and turn clockwise until front end is approximately 1/4” inside
of casting surface. Recessed radial depression in Terminal Holder must be lined up
with polarizing washer/locator. Replace screw through the ground strip.
IV. POLARITY AND PHASE ROTATION
1. ACP, CPH Plugs and EBR Receptacle are polarized so that the plug will enter the
1-1/2” threaded conduit
openings- one in top and
two in bottom
receptacle only one way.
2. Special Polarization: sufx - P4 added to catalog number of the receptacle. Prevents
plug insertion in a receptacle wired for a different voltage (doesn’t apply for 150 Amp).
Solderless lugs are provided for line connections
and receptacle is prewired to the load side of
breaker. Cover-mounted components leave entire
enclosure space free for pulling of line conductors
and wiring.
POLARIZED SCREW
AND WASHER
PRESSURE
CONNECTORS
SCREW
TERMINAL
HOLDER
Flip cover suitable for Type 3 and 3R only. Select screw cover for
Type 4 and 4X. Both covers are included with product. Type 4 rating
maintained with Appleton Type 4 plug installed.
Plug is mechanically locked in receptacle when circuit
breaker is ON. Design provides interlocked connect and
disconnect operation as well as short circuit and thermal
time delay overload protection. Breaker operating handle
can be padlocked in either “ON” or “OFF” position and is
trip-free.
Enclosure has 3/4” threaded openings top and bottom
for installation of UL Listed drain and breather. Reducers
are suitable for Class
I, Groups B, C and D;
Class II, Groups F and
G when installed such
that at least ve full
threads are engaged.
Unused openings must
be plugged with factory supplied plugs.
EGS Electrical Group • 800-621-1506 • www.appletonelec.com Rev. E 01/15/2009 Page 1
Dimensions of EBR Inter-Interlock Circuit Breaker Receptacles
C/L OF CONDUIT OPENINGS
7.44”
CONDUIT OPENINGS
TAPPED 1-1/2”
16.69”
42.4 CM
15.13”
38.4 CM
18.9 CM
14.06”
35.7 CM
B
TOP VIEW CONDUIT OPENING
1 1/2 - 11 1/2 NPT
2.63”
6.7 CM
3/4 - 14
NPT
4.50”
11.4 CM
9.00”
22.9 CM
2.00”5.1
CM
3.81”
9.7 CM
3.81”
9.7 CM
2.00”
5.1 CM
1.75”
45 CM
3.00”
7.6 CM
2.63”
8.7 CM
TWO THREADED 1 1/2
CONDUIT OPENINGS IN BOTTOM
BOTTOM VIEW
CONDUIT OPENING
2.75”
7.0 CM
A
C/L OF CONDUIT OPENINGS
3.0”
76 CM
9.06”
23.0 CM
3/4 - 14
NPT
MOUNTING HOLES
FOR 3/8” DIA. BOLTS
30 Amp 60 Amp 100/150 Amp 30 Amp 60 Amp 100/150 Amp
A 14.25” 14.25” 14.69” B 16.13” 17.69” 18.38”
(36.2cm) (36.2cm) (37.3cm) (41.0cm) (44.9cm) (46.7cm)
Dimensions in Inches
A
ACP Plugs for EBR Receptacles
Amp No. Poles A B C D
30 Amp 2, 3, 4 6.00 4.75 3.13 1.86
D
C
60 Amp 2, 3 7.81 4.94 3.50 2.23
60 Amp 4 7.81 4.94 3.81 2.55
B
100 Amp 2, 3 10.50 6.63 4.00 2.47
100 & 150(CD) Amp 4 10.50 6.63 4.25 2.72
150(DE) 4 13.40 9.63 4.25 2.72
CPH Plugs for EBR Receptacles
D
C
B
Max.
Amps. Wire/Pole A B C D E
E
A
30 2W, 3P; 3W, 4P 6.13 2.38 1.86 1.81 4.44
60 2W, 3P 8.44 3.06 2.23 3.31 5.69
60 W, 4P 8.44 3.06 2.55 3.31 5.69
ACP PLUG
CPH PLUG
ACP Plugs for EBR Receptacles
Cable Dia. (In.) 30 Amp 60 Amp 100 Amp 150 Amp
2W, 3P 3W, 4P 2W, 3P 3W, 4P 2W, 3P 3W, 4P 3W, 4P
.390 to 1.375 ACP3023BC ACP3034BC ACP6023BC ACP6034BC --------- --------- ---------
.875 to 1.906 --------- --------- --------- --------- ACP1023CD ACP1034CD ACP15034CD
1.25 to 2.19 --------- --------- --------- --------- --------- --------- ACP15034DE
CPH Plugs for EBR Receptacles
Cable Dia., 30 Amp 60 Amp
Inches 2W, 3P 3W, 4P 2W, 3P 3W, 4P
.500 to .875 CPH3023B CPH3034B --------- ---------
.390 to 1.375 --------- --------- CPH6023BC CPH6034BC
EGS Electrical Group • 800-621-1506 • www.appletonelec.comPage 2 300880-1 Rev. E 01/15/2009
ACP Plug Equivalents
Appleton ACP Plugs are mechanically and
electronically interchangeable with Crouse-Hinds
APJ plugs as listed at right.
Cable Diameter, Inches Wire/Pole
30 Amp Plugs
.390 to 1.375 2W, 3P APJ3385 ACP3023BC
.390 to 1.375 3W, 4P APJ3485 ACP3034BC
60 Amp Plug.
390 to 1.375 2W, 3P APJ6385 ACP6023BC
.390 to 1.375 3W, 4P APJ6485 ACP6034BC
100 & 150(DC) Amp Plug
.875 to 1.906 2W, 3P APJ10387 ACP1023CD
.875 to 1.906 3W, 4P APJ10487 ACP1034CD
150(DE) Amp Plug
1.25 to 2.19 3W, 4P ACP15034DE
EBR Receptacle Interlocked With Circuit Breaker - 30, 60, 100 and 150 Amp
2 WIRE - 3 POLE
GREEN WIRE
2
3 WIRE - 4 POLE
GREEN WIRE
2
3
V. WIRING
1. Conductors from Receptacle are connected to the circuit breaker
as shown.
VI. CIRCUIT BREAKER REPLACEMENT
1. Loosen the two screws #1 located on the mounting plate on the
load side of the breaker.
Note - only loosen enough for the mounting plate #2 to slide
from under the screw heads.
2. Remove the remaining two screw #3 that secure the mounting
GROUNDING
STRIP
1
HALF MOON
CONFIGURATION
GREEN WIRE
GROUNDING
STRIP
1
HALF MOON
CONFIGURATION
GREEN WIRE
plate #2 in place.
3. Loosen the breaker screws #4 that connect the breaker phase
locations to the conductors which are attached to the contact
GROUNDING
STRIP
GROUNDING
STRIP
block pins. Loosening of these screws will allow removal of the
breaker and mounting plate assembly.
4. Loosen and remove the four breaker mounting screws #5 which
CONTACT
SET SCREW
CONTACT
BLOCK
secure the breaker to the mounting plate.
5. Discard the old breaker & four mounting screws #5. Insert the four
new mounting screws #5 through the back of the new breaker.
Fasten to the mounting plate #2 as shown. Cut off surplus length
GROUNDING
STRAP
of screw protruding through the plate and fasten the mounting
plate #2 to the inside of the cover #6 by reversing steps 1 to 3
above, making sure to tighten all screws securely.
Crouse-Hinds Appleton
Catalog Number
CONDUCTOR INSULATION
BELOW THIS SURFACE
MOUNTING PLATE
(LINE SIDE OF BREAKER)
WEST BREAKER
GE BREAKER
(LOAD SIDE OF BREAKER)
UPPER SIDE
LOWER SIDE
VII. Field wiring installation for 150 Amp EBR: Use minimum of #2/0
size copper wire. For lower amperage application follow NEC
Code.
#6
COVER
#2
MOUNTING
PLATE
#1
BREAKER
SCREWS
#3
BREAKER
SCREWS
CIRCUIT
BREAKER
FIELD WIRING
TERMINALS
#5
(4) MOUNTING
SCREWS
#4
BREAKER
WIRING SET
SCREWS
EGS Electrical Group • 800-621-1506 • www.appletonelec.com
300880-1 Rev. E 01/15/2009 Page 3
APPLETON RECEPTACLE VOLTS APPLETON CROUSE-HINDS
INTERMATEABILITY CHART
CAT.NO. AMPS AC PLUG PLUG
EBR3023EH15, EHD15 15 480 ACP3023BC APJ3385
EBR3023EH20, EHD20 20 480 ACP3023BC APJ3385
EBR3023EH25, EHD25 25 480 ACP3023BC APJ3385
EBR3023EH30, EHD30 30 480 ACP3023BC APJ3385
EBR3023EH35, EHD35 30 480 ACP3023BC APJ3385
EBR3023EH40, EHD40 30 480 ACP3023BC APJ3385
EBR3023FB15, FBD15 15 600 ACP3023BC APJ3385
EBR3023FB20, FBD20 20 600 ACP3023BC APJ3385
EBR3023FB25, FBD25 25 600 ACP3023BC APJ3385
EBR3023FB30, FBD30 30 600 ACP3023BC APJ3385
EBR3023FB35, FBD35 30 600 ACP3023BC APJ3385
EBR3023FB40, FBD40 30 600 ACP3023BC APJ3385
EBR3023HFB15, FD15 15 600 ACP3023BC APJ3385
EBR3023HFB20, FD20 20 600 ACP3023BC APJ3385
EBR3023HFB25, FD25 25 600 ACP3023BC APJ3385
EBR3023HFB30, FD30 30 600 ACP3023BC APJ3385
EBR3023HFB35, FD35 30 600 ACP3023BC APJ3385
EBR3023HFB40, FD40 30 600 ACP3023BC APJ3385
EBR3034EH15, EHD15 15 480 ACP3034BC APJ3485
EBR3034EH20, EHD20 20 480 ACP3034BC APJ3485
EBR3034EH25, EHD25 25 480 ACP3034BC APJ3485
EBR3024EH30, EHD30 30 480 ACP3034BC APJ3485
EBR3034EH35, EHD35 30 480 ACP3034BC APJ3485
EBR3034EH40, EHD40 30 480 ACP3034BC APJ3485
EBR3034FB15, FBD15 15 600 ACP3034BC APJ3485
EBR3034FB20, FBD20 20 600 ACP3034BC APJ3485
EBR3034FB25, FBD25 25 600 ACP3034BC APJ3485
EBR3034FB30, FBD30 30 600 ACP3034BC APJ3485
EBR3034FB35, FBD35 30 600 ACP3034BC APJ3485
EBR3034FB40, FBD40 30 600 ACP3034BC APJ3485
EBR3034HFB15, FD15 15 600 ACP3034BC APJ3485
EBR3034HFB20, FD20 20 600 ACP3034BC APJ3485
EBR3034HFB25, FD25 25 600 ACP3034BC APJ3485
EBR3034HFB30, FD30 30 600 ACP3034BC APJ3485
EBR3034HFB35, FD35 30 600 ACP3034BC APJ3485
EBR3034HFB40, FD40 30 600 ACP3034BC APJ3485
EBR6023EH35, EHD35 35 480 ACP6023BC APJ6385
EBR6023EH40, EH040 40 480 ACP6023BC APJ6385
EBR6023EH45, EHD45 45 480 ACP6023BC APJ6385
EBR6023EH50, EHD50 50 480 ACP6023BC APJ6385
EBR6023EH60, EHD60 60 480 ACP6023BC APJ6385
EBR6023EH70, EHD70 60 480 ACP6023BC APJ6385
EBR6023FB35, FDB35 35 600 ACP6023BC APJ6385
EBR6023FB40, FDB40 40 600 ACP6023BC APJ6385
EBR6023FB45, FDB45 45 600 ACP6023BC APJ6385
EBR6023FB50, FDB50 50 600 ACP6023BC APJ6385
EBR6023FB60, FDB60 60 600 ACP6023BC APJ6385
EBR6023FB70, FDB70 60 600 ACP6023BC APJ6385
EBR6023HFB35, FD35 35 600 ACP6023BC APJ6385
EBR6023HFB40, FD40 40 600 ACP6023BC APJ6385
EBR6023HFB45, FD45 45 600 ACP6023BC APJ6385
EBR6023HFB50, FD50 50 600 ACP6023BC APJ6385
EBR6023HFB60, FD60 60 600 ACP6023BC APJ6385
EBR6023HFB70, FD70 60 600 ACP6023BC APJ6385
EBR6034EH35, EHD35 35 480 ACP6034BC APJ6485
EBR6034EH40, EHD40 40 480 ACP6034BC APJ6485
EBR6034EH45, EHD45 45 480 ACP6034BC APJ6485
EBR60S4EH50, EHD50 50 480 ACP6034BC APJ6485
EBR6034EH60, EHD60 60 480 ACP6034BC APJ6485
EBR6034EH70, EHD70 60 480 ACP6034BC APJ6485
EBR6034FB35, FDB35 35 600 ACP6034BC APJ6485
EBR6034FB40, FDB40 40 600 ACP6034BC APJ6485
EBR6034FB45, FDB45 45 600 ACP6034BC APJ6485
EBR6034FB50, FDB50 50 600 ACP6034BC APJ6485
EBR6034FB60, FDB60 60 600 ACP6034BC APJ6485
EBR6034FB70, FDB70 60 600 ACP6034BC APJ6485
EBR6034HFB35, FD35 35 600 ACP6034BC APJ6485
EBR6034HFB40, FD40 40 600 ACP6034BC APJ6485
EBR6034HFB45, FD45 45 600 ACP6034BC APJ6485
EBR6034HFB50, FD50 50 600 ACP6034BC APJ6485
EBR6034HFB60, FD60 60 600 ACP6034BC APJ6485
EBR6034HFB70, FD70 60 600 ACP6034BC APJ6485
Note:
The Appleton “EBR” Receptacles and “ACP” Plugs are UL Listed Combinations. The Appleton “ERB” Receptacles with Crouse-Hinds UL Listed “APJ” Series
Plugs are UL Classied Combinations. Classications are for Class I, Div. 1, Groups C and D. Receptacles with the P4 sufx have the interior rotated 22
1/2˚ for special polarization applications. They are compatible only with Appleton plugs with the P4 option, or Crouse-Hinds plugs with the S4 option.
EGS Electrical Group • 800-621-1506 • www.appletonelec.comPage 4 300880-1 Rev. E 01/15/2009
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