YASKAWA ELECTRIC
TOEP C710617 17D YASKAWA AC Drive GA700 Initial Steps
EN 21
Table 10.1 Wire Gauges
Terminal
Bare Wire
Crimp Ferrule
Recommended
Gauge
mm
2
(AWG)
Applicable Gauge
mm
2
(AWG)
Recommended
Gauge
mm
2
(AWG)
Applicable Gauge
mm
2
(AWG)
S1-S8, SC, SN, SP
H1, H2, HC
RP, +V, -V, A1, A2, A3, AC
MP, FM, AM, AC
D+, D-, AC
MA, MB, MC, M1-M6
PS, E(G)
0.75
(18)
•
Stranded wire
0.2 to 1.0
(24 to 18)
•
Solid wire
0.2 to 1.5
(24 to 16)
0.5
(20)
0.25 to 0.5
(24 to 20)
Crimp Ferrules
Attach an insulated sleeve to the wire when connecting crimp ferrules. Refer to
for the recommended
external dimensions and model numbers of the crimp ferrules.
Yaskawa recommends the CRIMPFOX 6 crimping tool from PHOENIX CONTACT.
Figure 10.2 Crimp Ferrule Dimensons
Table 10.2 Crimp Ferrule Models and Dimensions
Wire Gauge
mm
2
(AWG)
Model
L (mm)
L1 (mm)
d1 (mm)
d2 (mm)
0.25 (24)
AI 0.25-8YE
12.5
8
0.8
2.0
0.34 (22)
AI 0.34-8TQ
12.5
8
0.8
2.0
0.5 (20)
AI 0.5-8WH,
AI 0.5-8OG
14
8
1.1
2.5
■
Line Voltage Drop
WARNING
Electrical Shock Hazard. The leakage current of drive models 4389A to 4675A, 2xxxB/C and 4xxxB/C is more
than 3.5 mA. The IEC/EN 61800-5-1: 2007 standard specifies that users must wire the power supply to automatically turn off
when the protective ground wire disconnects. Users can also connect a protective ground wire that has a minimum cross-
sectional area of 10 mm
2
(copper wire) or 16 mm
2
(aluminum wire). Failure to obey these standards can cause death or serious
injury.
Be sure to think about line voltage drop before selecting wire gauges.
Select wire gauges that drop the voltage by 2% or less of the rated voltage. Increase the wire gauge and the cable
length when the risk of voltage drops increases.
Calculate line voltage drop with this formula:
Line voltage drop (V) =
× wire resistance (Ω/km) × wiring distance (m) × motor rated current (A) × 10
-3
■
Dynamic Braking Precautions
Connect braking units to drives with these conditions:
•
Models with built-in braking transistors use terminals B1 and -
•
Models without built-in braking transistors use ter3 and -.
NOTICE
Review the Braking Unit and Braking Resistor Unit Installation Manual TOBPC72060001 for wire gauge and
tightening torque information before connecting a dynamic braking option to the drive. Failure to obey can cause damage to the
drive and braking circuit.
Connect a regenerative converter or regenerative unit with ter1 and -.
NOTICE
Do not connect a braking resistor to ter1 or -. Failure to obey can cause damage to the drive circuitry.
EN
