ST-47 Groundhog - Technical Manual
Diagram Appendix
Page 28.
6.12 DWG 61121 – Field Wiring Diagram ST-47-115/240 EL(K)
61121 RevD
GROUNDHOG PLUG (USED
WITH SCULLY GROUND BALL)
(SEE NOTE 3)
MODEL SC-47CC
SCULCON BOX
WHT
BLK
8
7
9
10
TB1
4
6
5
1
3
2
SAFE WIRING
(SEE NOTES 1 & 2)
CONDUIT-INTRINSICALLY
TB-2
MAINS POWER
NEUT
ST-47-120/240E(LK)
(SEE NOTE 1)
SAFE WIRING
NON-INTRINSICALLY
CONDUIT
TB-1
GND
GND
SIZE 3 AG
250V-5A
``SLO-BLO''
3
2
1
250 VOLTS MAX
RATED 5 AMPS
GROUNDHOG
.
.
CONTROL CONTACTS
HOT
F1
FUSE
HOT
3. OTHER SCULCON MODELS CAN BE USED. CONSULT FACTORY
IF POSSIBLE. IN ALL CASES WIRING MUST MEET APPLICABLE
COLOR OF WIRES SHOULD MATCH CONTROLLER TERMINAL COLORS-
2. WIRE TO BE 18 AWG MINIMUM, STRANDED AND TINNED.
SAFE WIRING MUST ALWAYS BE SEPARATED AND
IMPORTANT: INTRINSICALLY SAFE AND NON-INTRINSICALLY
EXPLOSION-PROOF ENCLOSURE IN A HAZARDOUS LOCATION.
1. SEAL FITTINGS MUST BE INSTALLED WITHIN 18 INCHES OF AN
NATIONAL, STATE AND LOCAL CODES.
RUN IN SEPARATE CONDUITS.
NOTES:
NEUT
INPUT
120/240 VAC
12
11
}
CONTACTS THAT CLOSE ON PERMIT
VIEW
A
GROUP D HAZARDOUS LOCATION.
MOUNTED IN A CLASS I, DIVISION 1,
SAFE LOCATION OR SCULLY ST-47E
SCULLY ST-47 MOUNTED IN A
SEE VIEW
A
250 VAC, 5A RESISTIVE
ONLY FROM THE BOTTOM CONDUIT ENTRY.
ENTRY PORTS AND INTRINSIC SAFE (I.S.) WIRING MUST EXIT
(NON I.S.) WIRING MUST PASS IN AND OUT OF THE TOP CONDUIT
IS THE HOUSING TO BE USED AS A JUNCTION BOX. CONTROL
THROUGH THE ST-47 HOUSING. UNDER NO CIRCUMSTANCES
4. INTERCONNECTION WIRING MUST NOT BE ALLOWED TO PASS
FOR DETAILS.
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