Operation & Maintenance Manual
27
Cyclo® BBB4
Cyclo® BBB4
Motor Wiring Method
• For additional information please refer to the
motor name plate .
• Due to changes in design features, this diagram
may not always agree with that on the motor .
• In such cases, connection diagram found inside the conduit box
of the motor should be used .
1
Based on motor power, determine if motor is
WYE
or
DELTA
type
2
Wire the motor to the power source using the correct connection type:
Motor Wiring,
continued
Motor Protection, Motor Wiring Method
Line 575V 60Hz
Line 115V 60Hz
Line 230V 60Hz
Line 208/230V 60Hz
Line 460V 60Hz
Figure 5 . Three-Phase DELTA connection Motor
Figure 7 . Single-Phase Motor, 115/230V, 60Hz
Line 208/230V 60Hz
Line 460V 60Hz
Figure 4 . Three-Phase WYE Connection Motor
Figure 6 . Three-Phase Motor, 575V, 60Hz
Motor
HP
(kW)
x P
Standard
AF-Motor
EP .NA-Motor
Non CSA CSA Non CSA
CSA
UL/CSA/CE
1/8
(0.1)
x 4
WYE
WYE
WYE
WYE
1/4
(0.2)
x 4
1/3
(0.25)
x 4
1/2
(0.4)
x 4
3/4
(0.55)
x 4
1
(0.75)
x 4
WYE
1 .5
(1.1)
x 4
2
(1.5)
x 4
3
(2.2)
x 4
5
(3.7)
x 4
DELTA
7 .5
(5.5)
x 4
DELTA
DELTA
DELTA
DELTA
10
(7.5)
x 4
15
(11)
x 4
20
(15)
x 4
25
(18.5)
x 4
30
(22)
x 4
40
(30)
x 4
—
50
(37)
x 4
60
(60)
x 4
—
—
75
(56)
x 4
Table 23 . Typical 230/460V, Three-Phase Wiring
Configuration by Motor Type
Motor Protection
• Use a molded case circuit breaker for protection against short circuit .
• Use an overload protection device that protects the unit against voltage surges .
U .S . Standard Motors
