EGS APPLETON EBR 30 Series Instruction Sheet

EBR Receptacles with Interlocked Circuit Breaker:
Class I, Div. 1 and 2
Groups C, D
Class II, Div. 1 and 2
Groups F, G
Class III
Type 3R
NEMA 7CD, 9F*G
2 WIRE - 3 POLE
GREEN WIRE
2
1
GROUNDING
GROUNDING
HALF MOON
STRIP
STRIP
CONFIGURATION
GREEN WIRE
GROUNDING
STRIP
CONTACT SET SCREW
CONDUCTOR INSULATION BELOW THIS SURFACE
MOUNTING PLATE
UPPER SIDE
(LINE SIDE OF BREAKER)
WEST BREAKER
GE BREAKER
LOWER SIDE
(LOAD SIDE OF BREAKER)
EGS Electrical Group • 800-621-1506 • www.appletonelec.com
Explosion-Proof, Dust-lgnition-Proof.
Weatherproof Spring Cover—30, 60 and 100 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.

WIRING

3 WIRE - 4 POLE
1. Conductors from Receptacle are connected to the circuit breaker
GREEN WIRE
as shown.
3
2

CIRCUIT BREAKER REPLACEMENT

1. Loosen the two screws #1 located on the mounting plate on the
1
load side of the breaker.
Note - only loosen enough for the mounting plate #2 to slide
HALF MOON
CONFIGURATION
from under the screw heads.
GREEN WIRE
2. Remove the remaining two screw #3 that secure the mounting
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 block pins. Loosening of these screws will allow removal of the
breaker and mounting plate assembly.
CONTACT BLOCK
4. Loosen and remove the four breaker mounting screws #5 which
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.
GROUNDING
STRAP
Fasten to the mounting plate #2 as shown. Cut off surplus length
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.
MOUNTING PLATE
BREAKER SCREWS
#6
COVER
#2
#1
300880-3
INSTRUCTION SHEET
U.S. Patent No. 3,735,078
#3
BREAKER SCREWS
CIRCUIT
BREAKER
FIELD WIRING
TERMINALS
(4) MOUNTING
#4
BREAKER WIRING SET SCREWS
Rev. D 10/03/2007
#5
SCREWS
Page 1