1
Owner’s Manual
917 & 918
Remote Control Switches
TABLE OF CONTENTS
page
Ratings & Installation 1–2...................
Optional Accessories 3–4...................
Troubleshooting & Parts Kits 5..............
Wiring & Outline Diagrams back of manual...
DANGER is used in this manual to warn of high
voltages capable of cau si ng shock, burns, or death .
WARNINGisusedinthismanualtowarn
of possible personal injury.
CAUTIONisusedinthismanualtowarn
of possible equipment damage.
ASCO 917 Remote Control (RC) Switches are rated
20 amperes non–HID lighting loads and 30 amperes
general purpose. ASCO 918 RC Switches are preferred
for HID (high intensity discharge) loads such as sodium
vapor, mercury vapor, and metal halide lighting (control
voltage is limite d to 277 V). ASCO 918 RC Switches are
rated 30 amperes for standard ballast loads.
917
918
Catalog Number Identification with Elements Explained
Typical ASCO 917 catalog no. for 12 pole 208 volt 60 Hz control in an enclosure:
917 12 20 6 1
Pole Combinations
Product Control Vo ltage
Accessories
X –
2
3
4
6
8
10
12
9 440 – 480 V
7 265 – 277 V
X 347 V
917
918
Enclosure
C –
blank – open type
C
6 208 – 240 V
3 110 – 120 V
50 – 60 Hz
if
accessories
ordered
blank – none
Standard
N/O & N/C
22 =2+2
33 =3+3
44 =4+4
66 =6+6
277 V maximum control voltage for ASCO 918
381333–006 E
50 Hanover Road, Florham Park, New Jersey 07932–1591 USA
For sales or service call 1 800 800–2726 (ASCO) www.ascopower.co m
ASCO POWER TECHNOLOGIES CANADA PO Box 1238, 17 Airport Road, Brantford, Ontario, Canada N3T 5T3
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