381333–241 C
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
telephone 519 758–8450, fax 519 758–0876, for service call 1 800–800---2726 (ASCO)
Operator’s
Manual
Series 911
Remote Control Switches
100 through 1200 amp. 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.
TABLE OF CONTENTS
page
Installation
1–4
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Optional Accessories
5–7
. . . . . . . . . . . . . . . . . . .
Wiring Diagram & Outlines
back of manual
. . .
Maintenance & Troubleshooting
8
. . . . . . . . . . .
ASCO Series 911 Remote Control (RC) Switches are
factory wired and tested. Installation requires mounting
and connection of service cables and appropriate control
circuits. An experienced licensed electrician should install
the RC Switch. A typical Catalog Number is shown below.
Catalog Number Identification with Elements Explained
Typical Series 911 catalog no. for a H design, 3 pole, 600 ampere, 240 volt 60 Hz control, open type Remote Control Switch:
911
A
3
600
F
1
Phase Poles
Neutral
Amperes
Voltage
Accessories
X
– if
accessories
ordered
3
– three Ø
2
– single Ø
D
220
C
208
E
230
K
415
M
460
J
400
L
440
N
480
G
277
F
240
H
380
blank – none
design prefix
letter **
H
A
– solid
Q
575
P
550
R
600
Enclosure
C
– type 1
F
– type 3R
G
– type 4
L
– type 12
blank – open type
C
Code
1
–
internal
code
100
225
260
400
600
800
1000
1200
200
150
** design prefix letter
E for 260–400 amp
H for 600–1200 amp
B
120*
A
115*
* voltage codes A (115 V) and B (120 V)
available only for 100–400 amp sizes
H911 600 amp size
