Standard Dc Disconnect Switch; Fused Dc Subcombiner - Solectria Renewables PVI 50KW Installation And Operation Manual

Installation and Operation Manual (Rev A)
Standard DC Disconnect Switch
The table below includes requirements for the DC conductor size, the number of terminals
available, proper terminal torque, and DC disconnect switch current ratings for the standard DC
disconnect switches provided (no subcombiner) on the PVI 50‐100KW. The PE models use the
same DC disconnect switches as the standard models.
NOTE: The torque is different for the grounded and ungrounded terminals on the DC
disconnect switch.
INVERTER
MODEL
PVI 50KW
PVI 60KW
PVI 75KW
PVI 85KW
PVI 100KW
Fused DC Subcombiner
The table below includes requirements for the DC conductor size, the number of terminals
available and proper terminal torque for the fused DC subcombiner options on the PVI 50‐
100KW.
NOTE: The torque is different for the grounded and ungrounded terminals on the fused
DC subcombiner.
FUSE CURRENT RATING
40A, 50A, 60A
70A, 80A, 90A, 100A
110A, 125A, 150A, 175A, 200A
225A, 250A
DOCR‐070233
NO. OF
WIRE GAUGE
TERMINALS
2 1/0AWG ‐ 300kcmil
2 1/0AWG ‐ 350kcmil
Table 4.7 DC Disconnect Switch Conductor Size and Torques
FUSE
QUANTITY
6, 8
2, 4, 6
2, 3, 4
2
Table 4.8 Fused DC Subcombiner Conductor Size and Torques
Page 27 of 92
TERMINAL
TORQUE
(GROUNDED)
275 in‐lbs
275 in‐lbs
NO. OF
TERMINALS WIRE GAUGE
(per Fuse)
1 6AWG ‐ 2AWG
1 6AWG ‐ 1/0AWG
1 2AWG ‐ 350kcmil
2 2AWG ‐ 350kcmil
PVI 50‐100KW Series Inverters
TERMINAL
CURRENT
TORQUE
RATING
(UNGROUNDED)
500 in‐lbs 400A
375 in‐lbs 600A
TERMINAL
TORQUE
(GROUNDED) (UNGROUNDED)
275 in‐lbs
275 in‐lbs
275 in‐lbs
275 in‐lbs
TERMINAL
TORQUE
45 in‐lbs
100 in‐lbs
375 in‐lbs
275 in‐lbs