Electrical connection
Operating Instructions KACO blueplanet 29.0TL3
Page 19
EN
Authorised electrician
7.2.3
Cable and fuse requirements
AC connection
DC connection (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-section
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 M and XL also differ in the following ways:
S, 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
15A fuses installed internally
Combiner box
To be provided externally on-site
Installed internally
Protection class
1
Overvoltage category
III
Recommended conductor cross-sections and fuse protection of NYM cables for fixed wiring according to VDE
0100 part 430
For cable lengths up to 20 m, use the named conductor cross-sections. Longer cable lengths require larger conduc-
tor cross-sections.
Device version:
Conductor cross-sec-
tion
Fuse protection: gL safety fuses
blueplanet 29.0 TL3 S; M
blueplanet 29.0 TL3 XL
min. 25 mm²
min. 25 mm²
min. 100 A for 25 mm² conductor cross-section
max. 125 A for 35 mm² conductor cross-section
Table 6:
Recommended conductor cross-sections and fuse protection of NYM cables
7.3
Connection within the distribution system
NOTE
KACO new energy assumes no liability for damages and consequential damages arising from other
connections in the distribution system.
L2
L1
L3
GND/PE*
L3
L1
L2
220V
220V
220V
N
127V
127V
127V
PEN/N
=
~
*) PE earthing in accordance with
earthing system
(see section 7.4: 5-core connection)
Figure 20: Example with 220/127 V Y (star) connection with earthed neutral point