Asco 911 series Operator's Manual
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Asco 911 series Operator's Manual

Remote control (rc) switches 100 through 1200 amp. sizes
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Operator's
Manual
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.
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:
H
911
design prefix
letter **
Neutral
Phase Poles
2
A
– single Ø
– solid
3
– three Ø
blank – none
** design prefix letter
E for 260–400 amp
H for 600–1200 amp
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)
100 through 1200 amp. sizes
A
3
600
Amperes
100
150
200
225
260
400
600
800
1000
1200
H911 600 amp size
Florham Park, New Jersey 07932–1591 USA
For sales or service call 1 800 800–2726 (ASCO)
Series 911
Remote Control Switches
TABLE OF CONTENTS
Installation
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Optional Accessories
Wiring Diagram & Outlines
Maintenance & Troubleshooting
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.
F
1
Voltage
Code
J
A
1
400
115*
–
K
B
internal
415
120*
code
L
C
208
440
M
D
220
460
N
E
230
480
F
P
240
550
Q
G
575
* voltage codes A (115 V) and B (120 V)
277
available only for 100–400 amp sizes
H
R
380
600
www.ascopower.com
page
. . . . . . . . . . . . . . . . . . .
. . .
back of manual
. . . . . . . . . . .
C
Enclosure
Accessories
C
X
– type 1
– if
F
accessories
– type 3R
ordered
G
– type 4
L
– type 12
blank – open type
381333–241 C
1–4
5–7
8

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Summary of Contents for Asco 911 series

  • Page 1 Florham Park, New Jersey 07932–1591 USA 381333–241 C 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)

  • Page 3: Installation

    INSTALLATION Series 911 ASCO Series 911 Remote Control (RC) Switches are Mounting all–purpose single–throw switches available in capacities Two Composite Outline drawings are furnished in the from 100 to 1200 amps. They can be used for all classes back of this manual. Use drawing 405386 for 100–400 of loads to 480 volts ac to their full ratings, open or amp size open–type RC Switches, or use drawing 405387...

  • Page 4: Power Connections

    Series 911 INSTALLATION (continued) RC Switch terminals and the corresponding tightening torque recommended. Be sure that the insulator piece is behind the 260 and 400 ampere RC Switches. De–energize the conductors before making insulator any power or control circuitry connections. backing piece Be sure that the load L1, load L2, and Line...
  • Page 5 Series 911 INSTALLATION (continued) Control Line Connections station and one Series 911 RC Switch for 120 and 240 V 60 Hz control. The line run can be extended by the use Control circuit connections designated 1, 2, and 3 are of auxiliary control relays (refer to the Optional located on terminal block TB on the RC Switch (lower Accessories section in this manual).
  • Page 6 Series 911 INSTALLATION (continued) Functional Test handle The Functional test consists of three checks: manual operation, voltage checks, and electrical operation. Read all instructions on the Wiring Diagram and all labels. 1 – Manual operation A manual operator handle is provided on the RC Switch for maintenance purposes only.

  • Page 7: Optional Accessories

    OPTIONAL ACCESSORIES Series 911 Two–Wire Control Three–Wire Control Optional Accessory 47 Auxiliary Relay Optional Accessory 48 Auxiliary Relay This auxiliary relay, Figure 6, if furnished, is connected This auxiliary relay, Figure 7, if furnished, is connected and mounted for enclosed RC switches, or is supplied and mounted for enclosed RC switches, or is supplied loose for open–type switches.
  • Page 8 Series 911 OPTIONAL ACCESSORIES (continued) Form 3 Control Table I. Acc. 49 Plug–In Auxiliary Relay Part Nos. Optional Accessory 49 Auxiliary Relay Relay Plug–In Control Voltages Accessory Accessory Relay Relay This auxiliary relay, Figure 8, if furnished, is connected ac (60 Hz) Part Nos.

  • Page 9: Auxiliary Contacts

    Series 911 OPTIONAL ACCESSORIES (continued) Control Line Fuses The cartridge fuses are suitable for the ac control voltages specified in the following table. Fuse blocks that Optional Accessory 52 hold the fuses have #10–32 terminal screws for control Control line fuses, if furnished, are mounted for enclosed wiring.

  • Page 20: Preventive Maintenance

    BOM No. from the Series 911 RC Switch nameplate. Relubricate the operator if the RC coil is replaced. Contact your local ASCO Power Technologies sales office Order appropriate lubrication kit: or ASI. In the United States call 1–800–800–ASCO (2726), or in Canada call 1–888–234–ASCO (2726).

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