Fastening Lugs To The Studs - YASKAWA ACS-500 User Manual

Table 3-4 Conductors
CONDUCTOR REQUIREMENTS
MAX ALLOWABLE CONDUCTOR SIZE
CONDUCTORS PER LUG
The DCB-1500-500-3X166 has a maximum DC operating current of 593A (197.7A per inverter).
3.4.1

Fastening Lugs to the Studs

Arrange the fasteners as shown in the image: flat washer, lock washer, and nut.
Flat Washer
Table 3-5: Required DC lug fastening hardware
STEP 4: Equipment Ground Wiring
Three dual-position mechanical lugs are provided in the De-Combiner for Equipment
Grounding Conductors (EGCs) associated with the Battery Subsystem and XGI 1500 inverters.
Yaskawa Solectria Solar
10mm SS
Figure 3-11: DC lug hardware stack mounting detail
4pcs 10mm SS Hex Nut
FASTENERS
4pcs 10mm SS Lock washer
(CUSTOMER
4pcs 10mm SS Flat Washer
SUPPLIED)
Torque: 178 in-lb (20 Nm)
Cu or Al, 90C temp rating
1 conductor at 600 kcmil
10mm SS Hex Nut
10mm SS Lock washer
DOCR-071070
1
Page 17 of 30