Junction Box, Microinverter And Terminals - Panasonic VBHN330SA17E General Installation Manual

JUNCTION BOX, MICROINVERTER
AND TERMINALS

Modules equipped with one junc-
tion box contain terminals for both
positive and negative polarity, and
bypass diodes.

Each terminal is dedicated to one
polarity (with the polarity symbols
engraved onto the body of the junc-
tion box) . See Figure 2-1.

A microinverter has an input / out-
put terminal. See Figure 2-2.

Each terminal is provided with facto-
ry installed lead cables and a latch-
ing connector. Always use these
connectors and do not detach them
from cables. See Figure 2-3.

The PV module and a microinverter
Negative ( - ) Positive ( + )
Figure 2-1. Junction Box
Cable
Connector
TM
MC Plug
Option:
Safety lock clip
Negative ( - )
Figure 2-3. Connectors
come pre-wired. Each module has
two #12 AWG type PV-wire stranded
sunlight resistant output cables each
terminated with connectors. The
positive (+) terminal has a male
connector while the negative (-)
terminal has a female connector.
When making field wiring connec-
tions to the pre-attached connect-
ors, use only approved connectors
from Table.2.

Latching connectors are type IV and
supplied by STAUBLI ELECTRICAL
CONNECTORS AG, which are listed
by UL.

In order to comply with NEC 2008, a
locking sleeve needs to be used with
all connectors that are exposed.

The locking sleeve (PV-SSH4) is
made by STAUBLI and can only be
Side view
Output terminal
Figure 2-2. Output / input terminal of a Microinverter
Manufacturer
Contact Information
PV-KST4, PV-KBT4 followed by /2.5 or /6, followed by "I" or "II", followed by
-UR. or - may be followed by additional suffixes, may be followed by suffix
numbers and letters.
PV-PLS-S, PV-PLS-B, may be followed by suffix numbers and letters, may be
followed by suffix numbers and letters.
Male PV connectors,
PV-KST4-EVO2/2.5, 6 or 10, followed by I, II, III or IV, followed by -UR.
Positive ( + )
Female PV connectors,
PV-KBT4-EVO2/2.5, 6 or 10, followed by I, II, III or IV, followed by –UR
Top view
Input terminal
Table.2 Approved connectors list
STAUBLI ELECTRICAL CONNECTORS AG
http://ec.staubli.com
6
released with a special tool also
made by STAUBLI (PV-MS). Locking
sleeves are not supplied with mod-
ules and must be purchased sepa-
rately.
Enlarged view of
output terminals
Enlarged view of
input terminals
Model #