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5 Main Circuit and Motor Wiring
YASKAWA America, Inc. PL.GA500.01 YASKAWA AC Drive - V1000 to GA500 Transition Guide 15

Main Circuit and Motor Wire Gauge and Tightening Torque
Table 9 lists wire gauge for the drive main circuit terminals. Verify the existing V1000 wire size is within the Wire Range
and Recommended Gauge for the GA500.

GA500 Main Circuit Wiring Precautions
Wire the main circuit terminal block correctly as specified by the GA500 Installation and Primary Operation Manual No.
TOEPC71061752. Comply with local standards for correct wire gauge in the region where you will use the drive.
GA500 Wire Selection and Termination
Use UL Listed vinyl-coated insulated copper wire rated 600 V minimum. Wire gauge must be calculated using 75 °C
ratings, higher temperature rated wire may be utilized without a wire gauge reduction.
The recommended wire gauge are based on drive continuous current ratings with 75 °C (167 °F) 600 V class 2 heat-
resistant indoor PVC wire. Assume these conditions:
• Ambient temperature: 40 °C (104 °F) maximum
• Wiring distance: 100 m (3281 ft) maximum
• Normal Duty rated current value
GA500 Peripheral Device Wiring
Refer to the instruction manual for each device for recommended wire gauge to connect peripheral devices or options to
ter1, +2, -, B1, and B2. Contact Yaskawa or your nearest sales representative if the recommended wire gauge for
the peripheral devices or options are out of the range of the applicable gauge for the drive.
GA500 Grounding
WARNING! Electrical Shock Hazard
Make sure that the protective ground wire complies with technical standards and local safety regulations. The EN 61800-
5-1:2007 standard specifies that you must wire the power supply to automatically de-energize when the protective ground
wire disconnects. If you turn on the internal EMC filter, the leakage current of the drive will be more than 3.5 mA. Use
these closed-loop crimp terminals or equivalent to connect a protective ground wire that has a minimum cross-sectional
area of 10 mm
2
(copper wire).
• 8-4NS from JST Mfg. Co., Ltd.
• R8-4S from NICHIFU Co., Ltd.
• P10-8R from PANDUIT Corp.
Table 9 Main Circuit and Motor Wire Gauge by Drive Model
V1000 GA500
Drive Model
CIMR-VU_
Terminal
Recom-
mended
Gauge
AWG
Wire Range
AWG
Catalog
Code
GA50U_
Terminal
Recom-
mended
Gauge
AWG
Wire Range
AWG
Wire
Stripping
Length
mm
Single-Phase 240 V Models
BA0001
BA0002
BA0003
R/L1, S/L2, T/L3 14 18 to 14
B001
B002
B004
L/L1, N/L2 14 14 6.5
U/T1, V/T2, W/T3 14 18 to 14 U/T1, V/T2, W/T3 14 14 6.5
-, +1, +2 – 18 to 14 -, +1 14 14 6.5
B1, B2 – 18 to 14 B1, B2 14 14 6.5
Ground 14 18 to 14 Ground 14 14 -
BA0006
R/L1, S/L2, T/L3 12 14 to 10
B006
L/L1, N/L2 12 14 to 10 8
U/T1, V/T2, W/T3 14 14 to 10 U/T1, V/T2, W/T3 14 14 to 12 8
-, +1, +2 – 14 to 10 -, +1 12 14 to 10 8
B1, B2 – 14 to 10 B1, B2 14 14 to 12 8
Ground 10 14 to 10 Ground 10 14 to 10 -