
Z1000 Bypass
Model Z1B1
With Option PM Circuit Breaker CB1 Standard Non-Fused Input Disconnect Switch S1
208
Vac
480
Vac
Current Rating
(A)
Wire Size Range
(AWG)
Tightening
Torque (lb. in.)
Current Rating
(A)
Wire Size Range
(AWG)
Tightening
Torque (lb. in.)
D211 – 400
(1-2) x
(2/0-500 kcmil)
(1-2) x 442
400
(1-2) x
(2/0-500 kcmil)
(1-2) x 442
D273 B240
600
(1-2) x
(2/0-500 kcmil)
(1-2) x 442
– B302 600
Table 3.3 Motor and Ground Wire Gauges and Tightening Torques
Z1000 Bypass
Model Z1B1
Output Circuit Motor Wiring Earth Ground Wiring
Motor Overload Relay Ground Lug
208 Vac 480 Vac Wire Size Range (AWG)
Tightening Torque
(lb. in.)
Wire Size Range (AWG)
Tightening Torque
(lb. in.)
– B001
18-8 15
14-10 or 8 or 6-4 or 2 35 or 40 or 45 or 50
D002 B002
D003 B003
D004 B004
D007 B007
D010 B011
D016 B014
D024 B021
D030 B027
– B034
16-2 70
– B040
– B52L
D046 –
D059 –
– B052
D074 B065
10-1/0 100
– B077
D088 B096
6-3/0 200D114 B124
D143 –
D169 B156
6-300 kcmil 275
– B180
D211 B240
(1-2) x (2/0-600 kcmil) (1-2) x 500 14-2/0 120D273 –
– B302
u
Main Input Circuit and Motor Wiring
This section outlines the various steps, precautions, and checkpoints for wiring the main circuit terminals and motor terminals.
WARNING! Electrical Shock Hazard. Do not connect the AC power line to the bypass output terminals. Failure to comply could result in
death or serious injury by fire as a result of bypass damage from line voltage application to output terminals.
NOTICE: Route motor leads U/T1, V/T2, and W/T3 separate from all other leads to reduce possible interference related issues. Failure to
comply may result in abnormal operation of drive and nearby equipment.
NOTICE: When connecting the motor to the output terminals T1, T2, and T3, the phase order for the drive and motor should match. Failure
to comply with proper wiring practices may cause the motor to run in reverse if the phase order is backward.
NOTICE: Do not connect phase-advancing capacitors or LC/RC noise filters to the output circuits. Failure to comply could result in damage
to the drive, phase-advancing capacitors, LC/RC noise filters or ground fault circuit interrupters.
3.4 Input and Output Power Wiring Connections
YASKAWA ELECTRIC SIEP YAIZ1B 01D YASKAWA AC Drive – Z1000 Bypass Technical Manual
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3
Electrical Installation
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