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Electrical connection
Operating instructions KACO blueplanet 50.0 TL3 S/Basic/M/XL
Page 19
EN
Authorised electrician
PV-
PV+
1
2
5
1
3
4
5
Figure 18: Connection area: blueplanet 50.0 TL3 Basic + M
Figure 19: Connection area: blueplanet 50.0 TL3 XL
Key
1
DC isolator switch (not present in S version)
4
Cable fitting (M63) for AC connection
2
Cable fitting for DC connection (M version)
5
Earthing bolt
3
Connector for DC connection (XL version)
7.2.3
Cable and fuse requirements
Note the following cable cross-sections and the required tightening torques:
AC connection
DC connection (S, Basic + M)
DC connection (XL)
Max. cable cross-section
without wire sleeves
95 mm² (AL or CU)
95 mm² (max. 120 mm²) - Use an
AL-CU cable lug for an aluminium
cable.
2.5-6 mm² (10x DC plug
connectors)
Max. conductor cross-sec-
tion
95 mm² with wire
sleeves
95 mm² (max. 120 mm²) Screw M8 -
ring cable lug on M8/Ø 9mm²
-
Length of insulation to be
stripped off
25 mm
depending on the cable lug used
Tightening torque
10 Nm
15-22 Nm
- (DC plug connector)
Recommended cable type
PV1-F or UL-certified solar cables (ZKLA), AWG 10–14
Table 5:
Recommended cable cross-sections and tightening torques
The unit versions Basic, M and XL also differ in the following ways:
S, Basic
M
XL
DC overvoltage protection
-
Base
Base + overvoltage conductor (SPD),
type I + II
AC overvoltage protection
-
Base
Base
Overvoltage conductor (SPD)
-
Can be retrofitted on
the DC and AC side
DC side built-in, can be retrofitted on
the AC side
String fuses
To be provided externally on-site
Recommended 1100V, gPV, max. 20A
Combiner box with DC isolator
switch
To be provided externally on-site
Installed internally
Protection class
1
Overvoltage category
III
Содержание blueplanet 50.0 TL3 S
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