Weidmuller PV Next String Combiner Box Bedienungsanleitung Seite 32

Product description
3.2 Enclosure
Figure 3.5 Enclosure (example)
The enclosure base part of the PV Next String Combiner
Box consists of glass-fibre reinforced polyester (GFRP),
the transparent cover of polycarbonate. The enclosure
corresponds with protection class IP65 (according to
IEC 60529). The label with warning symbols must be legi-
ble at all times.
3.3 Switch-disconnector (optional)
Figure 3.6Switch-disconnector
The making and breaking capacity of the switch-disconnec-
tor (according to the IEC 60947-3) has been selected to
assure that it can switch the circuit
mum operating temperature.
3.4 Connections
Figure 3.7Cable glands (A) and PVconnectors (B)
32 Weidmüller
at full load at the maxi-
The PV NextString Combiner Box is equipped with cable
glands (A) and optionally with PV connectors (B).
PV connectors reduce the time required for installation and
maintenance. The connectors meet the requirements of
standard DIN EN 50521.
3.5 Seal set SL SET PV next
The scope of delivery of the product includes a bag with
a seal set for each circuit
(2729230000) consists of the following parts:
— 4 x multiple sealing insert 3x Ø 7 mm (05621370)
- blind pin 28 7 mm (09600007)
— 2 x reducing sealing inserts Ø 9—16 mm (00180421)
3.6 Surge protection device
Figure 3.8 Surge protection device
The surge protection device complies with IEC 61643-32
Type 1+11 or Type II.
3.7 PCB terminal blocks
Figure 3.9 PCBterminal blocks with PUSHIN function
The PUSH IN PCB terminals
nection of the DC cables and require no maintenance. We
recommend using a slotted screwdriver 0.8 mm x 4 mm
(9008340000) to operate the pushers.
board / MPPT. The seal set
enable faster and safer
2690250000/05/10.2022
con-