Bulletin 505 Typical Pilot Device Connections
ATTENTION: A motor connected with 2-wire control may start automatically when used with an automatic reset overload
relay.
ATTENTION: Un moteur branché avec une commande à 2 fils peut se démarrer automatiquement lorsque utilisé avec un relais
de surcharge à réarmement automatique.
TYPICAL WIRING DIAGRAM
Note: Additional control circuit overcurrent protection may be required. Refer to the National Electrical Code. The current rating of the control circuit conductors furnished
with this device is 15 amps (Size 00 thru 3) or 20 amps (Size 4 and 5). Maintain this equipment with guidelines of NFPA-708 Electrical Equipment Maintenace.
3 PHASE LINES
1
4
L1
L2
L3
L1
2
3
"E"
A2
A1
"D"
A2
"J"
REV
FOR
REV
R
T1
T2
T3
MOTOR
6
4
3
A1
A2
FOR
F
Note: Size 5 will have
current transformers for
overload relay.
OFF
3
3
MOTOR
2-WIRE
(Remove wire "J" between 2 and 4
on controller.)
COIL
OFF
REVERSE
5
T3
REMOTE PILOT LIGHT CONNECTIONS
ENCLOSURE MOUNTED
COVER MOUNTED
(Rear View)
5
T2
PILOT LIGHTS
3-POSITION
FLANGE MOUNTED
(Front View)
T1
SIZE 0-5
SELECTOR SWITCHES
FORWARD
FORWARD
3-WIRE
FORWARD
P.L.
2
FORWARD
P.L.
(L2)
3
P.L.
(L2)
5
P.L.
(L2)
P.L.
(L2)
P.L.
1,(L1)
Flange Mounted
(Front View)
2 "E"
When limit switches are used, remove
control wires "D" & "E" from the
controller and connect limit switches
as per dashed lines.
SIZE 00
1,(L1)
3
5
LIMIT SWITCHES
(WHEN USED)
When limit switches are used, remove
control wires "D" & "E" from the
controller and connect limit switches
as per dashed lines.
REVERSE
7
5
R
F
LIMIT SWITCHES
(WHEN USED)
FORWARD
L3
5
6
"D"
A1
L2
7
3
5
3 PHASE LINES
"J"
REVERSE
Cover Mounted
(Rear View)
4
COIL
REVERSE
REVERSE
PUSH BUTTONS
STANDARD FACTORY WIRED
(Front View)
4
2
FORWARD
FORWARD
3
3
REVERSE
2
REVERSE
5
5
STOP
2 STATION, 3-WIRE CONTROL WITH REMOTE STATION
(Front View)
2
OPTIONAL WIRING ELECTRICAL INTERLOCK AT PUSH BUTTON
(Front View)
STOP
1 (L1)
The "Stop" button must be depressed
before changing direction.
Remove "J" wire
between 2 and 4
on controller.
FORWARD
3
REVERSE
5
STOP
1 (L1)
Direction can be changed without pushing the "Stop" button.
1, (L1)
Remove "J" wire
between 2 and 4
on controller.
REMOTE PUSH BUTTONS
3-WIRE CONTROL (Front View)
OPTIONAL WIRING ELECTRICAL
INTERLOCK AT PUSH BUTTON
2
4
3
FORWARD
REVERSE
5
REVERSE
STOP
1 (L1)
STOP
FORWARD
3
2
Remove "J"
wire
between
2 and 4 on
controller.
5
The "Stop" button must be depressed
before changing direction.
42052-121-01 (1)
Printed in U.S.A.
1 (L1)
Direction can be changed
without pushing the "Stop" button.
2-WIRE CONTROL
(Front View)
MOMENTARY OPERATION
(Front View)
FORWARD
FORWARD
1 (L1)
3
5 1 (L1)
REVERSE
2 STATION, 3-WIRE CONTROL WITH REMOTE STATION
(Front View)
2
REVERSE
3
FORWARD
3
5
REVERSE
5
STOP
1, (L1)
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