Yaskawa Solectria Solar
DOCR-071070
Page 17 of 30
Table 3-4 Conductors
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.
Figure 3-11: DC lug hardware stack mounting detail
Table 3-5: Required DC lug fastening hardware
FASTENERS
(CUSTOMER
SUPPLIED)
4pcs 10mm SS Hex Nut
4pcs 10mm SS Lock washer
4pcs 10mm SS Flat Washer
Torque: 178 in-lb (20 Nm)
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.
CONDUCTOR REQUIREMENTS
MAX ALLOWABLE CONDUCTOR SIZE
Cu or Al, 90C temp rating
1 conductor at 600 kcmil
CONDUCTORS PER LUG
1
10mm SS Hex Nut
10mm SS Lock washer
10mm SS
Flat Washer