381333–005 B
50 Hanover Road, Florham Park, New Jersey 07932–1591 USA
For sales or service call 1 800 800–2726 (ASCO) www.ascopower.com
ASCO POWER TECHNOLOGIES CANADA PO Box 1238, 17 Airport Road, Brantford, Ontario, Canada N3T 5T3
Installation
Manual
920
Remote Control Switches
30 through 225 ampere sizes
DANGER is used in this manual to warn of high
voltages capable of causing shock, burns, or death.
WARNING is used in this manual to warn
of possible personal injury.
CAUTION is used in this manual to warn
of possible equipment damage.
!
This Installation Manual is for green nameplate
ASCO 920s only. For black nameplate ASCO
920s refer to Owner’s Manual 2D4920 R16.
ASCO 920 Remote Control (RC) Switches are pre–tested
and ready to use. Installation requires mounting and
connection of service cables (or bus) and control circuit
wires. An experienced licensed electrician should install
the RC Switch.
Each ASCO 920 RC Switch has a ratings / identification
label defining load types and maximum voltage ratings.
Use the switch only within the limits shown on this label.
Do not exceed the values on the rating label.
Exceeding the rating can cause personal injury
or serious equipment damage.
TABLE OF CONTENTS
page
Installation & Maintenance
1
. . . . . . . . . . . . . . . .
Troubleshooting & Parts Kits
2
. . . . . . . . . . . . . .
Optional Accessories
3
. . . . . . . . . . . . . . . . . . . . .
Wiring & Outline Diagrams
back of manual
. . .
Catalog Number Identification with Elements Explained
Typical ASCO 920 catalog no. for 3 pole, 100 amp, 208 volt 60 Hz control, with subpanel and enclosed Remote Control Switch:
920
3
100
6
1
Phase Poles
Product
Amperes
Control Voltage
Accessories
X
–
3
– three phase
2
– single phase
9
440 – 480 V
7
265 – 277 V
G
550 – 600 V
X
other voltages
920
Enclosure
C
–
blank – open type
C
Subpanel
0
– without
30
100
150
200
225
75
60
6
208 – 240 V
3
110 – 120 V
50 – 60 Hz
1
– with
if
accessories
ordered
blank – none
